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Chemical Evaluation of Leaf Fibre Residues from Tropical Tree Legumes—a Wealth in Social Perspective

Item type: Journal Article • Journal: South African Forestry Journal • Authors: Sunanda Chanda --- Biological Sciences Division, India S.K. Bhaduri --- Department of Chemistry and Microbiology, Jute Technological Research Laboratories, India Sharmistha Das --- Biological Sciences Division, India D. Sardar --- Department of Chemistry and Microbiology, Jute Technological Research Laboratories, India

Leaf fibre residues obtained as a by-product during bulk extraction of leaf protein meal from three tropical forest trees viz. Albizzia procera Benth., Dalbergia sisso Roxb. and Delonix regia Raf. were analysed for their chemical and mineral composition. The fibres...

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Production and quality norms of certain grass species for fodder flow planning: Pretoria area

Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.O. Grunow --- Department of Plant Production, J.W. Rabie --- Department of Plant Production,

Four subtropical (Cenchrus. Digitaria, Anthephora and Sorghum) and two temperate grass species (Festuca. Agrotricum) were grown in a replicated field experiment at three levels of N application, with adequate P and K. Species were mown at 4‐, 6‐ and 8‐weekly...

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Groei en produksie van ‘n aanal aangeplante weidings onder beweiding

Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P.A. Pieterse --- Dept Plantproduksie, J.O. Grunow --- Dept Plantproduksie, N.F.G. Rethman --- Dept Plantproduksie,

Die groei en produksie onder beweiding van ‘n aantal aangeplante weidings is met behulp van die verskilmetode bepaal. Uit die data verkry in die proef is dit duidelik dat indien daar besproeiingswater beskikbaar is, groen materiaal dwarsdeur die jaar voorsien...

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‘n oorsig oor staande hooi in die sentrale grasveld met spesiale verwysing na digit aria eriantha

Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: C.S. Dannhauser --- Departement Landbou en Watervoorsiening,

‘n Literatuuroorsig oor die gebruikswaarde van tropiese grassse as staande hooi, in die winter, word voorsien. Die invloed van klimaat op die keuse van spesies en bestuur van die grasse, gedurende die voorafgaande groeiseisoen, word bespreek. Meer onlangse gegewens oor...

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The herbage yield and quality of three grass species on two marginal maize soils at Potchefstroom

Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: C.S. Dannhauser --- , Republic of South Africa

A small plot experiment with Digitaria eriantha, Panicum maximum and Anthephora pubescens, established on Valsrivier and Westleigh soil forms, was conducted at Potchefstroom during the 1986/87 and 1987/88 seasons. The yield of P. maximum was the highest of the three...

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Agricultural suitability of dune system and Limpopo Basin soils near Xai-Xai, Mozambique

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Brandt --- , Germany R. Bäumler --- , Germany C Samimi --- , Austria

Quaternary dune systems, as well as the Limpopo Basin near the rural city of Xai-Xai in southern Mozambique were studied concerning their soil fertility and sustainability for crop cultivation. Due to population growth, most sites, which are not overbuilt, are...

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A review of the post harvest handling of fruits in South Africa over the past twenty five years

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Dodd --- , P. Cronje --- , M. Taylor --- , M. Huysamer --- , F. Kruger --- , E. Lotz --- , K. van der Merwe --- ,

During the past 25 years there has been a tremendous amount of positive change in the post harvest handling of fruits in South Africa, primarily due to the adoption of many new technologies developed in response to changes in the...

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A LIMNOLOGICAL INVESTIGATION OF LAKE LIAMBEZI, CAPRIVI

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: M.T. Seaman --- , South Africa W.E. Scott --- , South Africa R.D. Walmsley --- , South Africa B. C.W. van der Waal --- , South Africa D.F. Toerien --- , South Africa

A general investigation was carried out on Lake Liambezi to characterize the limnological features of the lake. The lake, 101 km2 in area and situated within the tropics, was found to be shallow and bordered by reed swamps, particularly on...

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ASPECTS OF THE FISHERIES OF LAKE LIAMBEZI, CAPRIVI

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: B. C.W. van der Waal --- Department of Co-operation and Development, South Africa

Lake Liambezi, situated in the Linyanti Swamp, Caprivi, is inhabited by 43 fish species. Population estimates with seine nets, rotenone and explosives gave values of 74 to 157 kg ha−1. The composition of seine net catches differed markedly from gill...

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POPULATION DYNAMICS AND DEMOGRAPHY OF AN ESTUARINE COPEPOD (PSEUDODIAPTOMUS EESSEI) IN LAKE SIBAYA, A SUBTROPICAL FRESHWATER COASTAL LAKE

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: RC Hart --- , South Africa

Population size and stage structure of Pseudodiaptomus hessei (Mrázek) was studied over 27 months at a single site in subtropical Lake Sibaya. Population density varied seasonally from about 1 to 4 individuals per litre, but a fairly stable population structure...

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A LIMNOLOGICAL PROFILE OF THE UPPER OKAVANGO DELTA AT LOW WATER LEVEL

Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: Rob C. Hart --- ,

Selected limnological attributes of the Okavango Delta panhandle were measured during a brief summer survey of “open-water” habitats extending from the permanent mainstream channel, through contiguous off-channel lagoons and still backwaters, to seasonally isolated floodplain lagoon and temporary pool biotopes...

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Dry matter yield and water use efficiency of five perennial subtropical grasses at four levels of water availability

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: D Marais N Rethman J Annandale

The effect of four levels of water availability on the yield and water use efficiency (WUE) of five subtropical perennial grasses was evaluated in a small plot trial under a rain shelter. The soil profiles were brought to 100% (W4...

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Establishment and early persistence of ten forage legumes under three grazing regimes in southern Mozambique

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.P. Muir --- , Mozambique

Leucaena leucocephala, Clitoria ternatea, Macroptilium atropurpureum cv. Siratro, Cassia rotundifolia cv. Wynn, Macrotyloma axillare cv. Archer, Stylosanthes guianensis var. guianensis cv. Graham, S. guianensis var. intermedia cv. Oxley, S. hamata cv. Verano and 5. scabra cv. Fitzroy and cv. Seca...

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Centrosema pubescens (centro) and Manihot esculenta (cassava) intercropping: The effect of spacing and time of planting centro on seed yield

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: P. Lusembo --- , Uganda E.N. Sabiiti --- Department of Crop Science, Uganda J.S. Mugerwa --- Department of Crop Science, Uganda

Studies were carried out to determine the effect of time of inter‐planting centro (Centrosema pubescens) with cassava (Manihot esculenta Crantz), at various spacings, on the seed yield components of centro. Apart from the seed yield itself, time of planting centro...

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Research note: The effect of a lactic acid bacterial inoculant on the fermentation dynamics of Eragrostis curvula during ensiling

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: R. Meeske --- , Republic of South Africa H.M. Basson --- , Republic of South Africa

Making good quality hay from Eragrostis curvula is a risky operation in many areas in South Africa due mainly to unfavourable weather conditions. Ensiling should therefore be considered as an alternative method for conserving the forage. The aim of this...

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Community dynamics and phytomass of herbaceous species in the Sudaniansavanna-woodlands of Burkina Faso: short-term impact of burning season

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: SD Dayamba --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden P Savadogo --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden L Sawadogo --- Département Productions Forestières, Burkina Faso D Tiveau --- , République Démocratique du Congo D Zida --- Département Productions Forestières, Burkina Faso M Tigabu --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden PC Oden --- Tropical Silviculture and Seed Laboratory, Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Sweden

Fire is important for the maintenance and conservation of African savanna ecosystems, and prescribed fire is used in the Sudanian savanna-woodlands of West Africa as a forest management tool. Yet, the effects of fire on savanna ecosystems and especially on...

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Climate change perceptions, drought responses and views on carbon farming amongst commercial livestock and game farmers in the semiarid Great Fish River Valley, Eastern Cape province, South Africa

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: CL Clarke --- Department of Environmental Science, South Africa SE Shackleton --- Department of Environmental Science, South Africa M Powell --- Department of Environmental Science, South Africa

There is increasing evidence that climate change will be one of the primary challenges facing future development and agriculture. Farmers, whether crop or livestock farmers, will be faced with tradeoffs and constraints as climate change exposes them to greater risk...

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The influence of rest period during the growing season on the potential of four perennial tropical grass species as foggage

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: P.C. le Roux C.S. Dannhauser

The foggage acceptability of Digitaria eriantha Steud., Anthephora pubescens, Panicum maximum (cultivar Green panic) and Cenchrus ciliaris (cultivar Gayndah), subjected to three different treatments during the growing season, were evaluated during three seasons (1987/1988, 1988/1989 and 1989/1990). Treatments comprised of...

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Age determination of miombo species Brachystegia spiciformis (Leguminosae – Caesalpinoideae) in Zimbabwe using growth rings

Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: I.M. Grundy

The objective of this study was to determine whether Brachystegia spiciformis Benth. (Leguminosae – Caesalpinoideae), one of the dominants of dry miombo woodland in Zimbabwe, forms annual growth rings. In the past the production of effective cutting rotations and sound...

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The zooplankton community of Lake Kariba in 1962/63 following impoundment of the Zambezi River

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Harding NA Rayner

Lake Kariba, bordered by Zambia in the north and Zimbabwe in the south, was formed following the impoundment of the the Zambezi River in 1955. Pre- and post-impoundment studies, which were undertaken on Lake Kariba by the Joint Fisheries Research...

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The response of Cyperus papyrus (L.) and Miscanthidium violaceum (K. Schum.) Robyns to eutrophication in natural wetlands of Lake Victoria, Uganda

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: J Kipkemboi --- Department of Zoology, Kenya F Kansiime --- , Uganda P Denny --- , The Netherlands

Interrelationships between nutrient concentrations and aerial biomass, root numbers, length and rhizomes size in Cyperus papyrus (L.) (papyrus) and Miscanthidium violaceum (K. Schum.) Robyns (synonymous to Miscanthus violaceus (K. Schum) Pilg.) were established in five different wetlands around the northern...

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Survival rates in West African savanna birds

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: MattC Stevens --- School of Biology, UK Ulf Ottosson --- AP Leventis Ornithological Research Institute, Nigeria Ross McGregor --- , UK Miriam Brandt --- , Germany Will Cresswell --- School of Biology, UK

Despite widespread interest in life histories and the comparison of parameters between tropical and temperate regions, there are still relatively few multispecies studies assessing annual survival in Afrotropical species. We used data from systematic mist-netting of savanna birds in Nigeria,...

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Diurnal patterns of mass gain in tropical granivores suggest avoidance of high midday temperatures during foraging, rather than the starvation–predation risk trade-off

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Shiiwua Manu --- AP Leventis Ornithological Research Institute, Nigeria Will Cresswell --- School of Biology, UK

Diurnal patterns of body mass gain in small temperate birds are of theoretical interest because they are largely a consequence of the starvation vs predation risk trade-off. In tropical birds, diurnal variation in body mass may also be influenced by...

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Records of the Subantarctic Fur Seal Arctocephalus Tropicalis from Rodrigues and Mauritius, Indian Ocean

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J. H. M. David L. Salmon

A juvenile Subantarctic fur seal Arctocephalus tropicalis was recorded on the Indian Ocean island of Rodrigues and two were seen on Mauritius. These records are at least 2 500 km from the closest breeding colony (Amsterdam Island) and are the...

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Impact of tropical storms and drought on the dinoflagellates Karlodinium micrum and Prorocentrum minimum in estuarine rivers of North Carolina, USA

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: EE Fensin

The dinoflagellates Karlodinium micrum and Prorocentrum minimum are harmful algal bloom taxa from different parts of the world. They are routinely documented in estuarine rivers in North Carolina, but there have been no known toxic outbreaks of these taxa in...

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Buoyancy-stirring interactions in a subtropical embayment: a synthesis of measurements and model simulations in Maputo Bay, Mozambique

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JD Lencart e Silva --- , UK JH Simpson --- , UK AM Hoguane --- School of Marine and Coastal Sciences, Mozambique J-L Harcourt-Baldwin --- Department of Oceanography, South Africa

Maputo Bay, on the coast of Mozambique, is a tidally energetic, subtropical embayment in a region subjected to strong seasonal rainfall. Data from moored current meters, tide gauges and monthly bay-wide surveys were used to characterise the evolution of the...

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The barnacles Chirona (Striatobalanus) amaryllis (Darwin 1854) and Megabalanus coccopoma (Darwin 1854) (Crustacea, Cirripedia): two invasive species new to tropical West African waters

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: F Kerckhof --- Management Unit of the North Sea Mathematical Models, Belgium J Haelters --- Management Unit of the North Sea Mathematical Models, Belgium S Degraer --- Management Unit of the North Sea Mathematical Models, Belgium

The collection of the barnacle Chirona (Striatobalanus) amaryllis (Darwin 1954) (Crustacea, Cirripedia) from the hull of a ship that had been operating for five months in the Gulf of Guinea and off Sierra Leone triggered a closer investigation of the...

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Distribution and seasonality of cetaceans in tropical waters between Angola and the Gulf of Guinea

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CR Weir --- , UK

The species richness, spatial distribution, seasonality and interspecific associations of cetaceans in tropical oceanic waters between the Gulf of Guinea and Angola were examined using 5 905.3 h of dedicated survey effort collected from 13 platforms of opportunity (geophysical vessels)...

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Development and validation of stem volume models for Pinus kesiya in Benguet province, Philippines

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Roscinto IanC Lumbres --- Department of Forest Resources, Korea Young Jin Lee --- Department of Forest Resources, Korea

Stem volume equations (overbark) were developed, using established volume equation forms, and validated using a subset of the data collected for Pinus kesiya in Benguet province, Philippines. A total of 481 trees from Pinus kesiya stands in Benguet were measured...

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Efficiency of inventory plot patterns in quantitative analysis of vegetation: a case study of tropical woodland and dense forest in Benin

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: ValèreK Salako --- Faculty of Agronomic Sciences, Benin RomainL Glele Kakaï --- Faculty of Agronomic Sciences, Benin AchilleE Assogbadjo --- Faculty of Agronomic Sciences, Benin Belarmain Fandohan --- Faculty of Agronomic Sciences, Benin Marcel Houinato --- Faculty of Agronomic Sciences, Benin Rodolphe Palm --- Agro-Bio Tech, Belgium

The main issue in forest inventory is the reliability of data collected, which depends on the shape and size of inventoried plots. There is also a need for harmonisation of inventoried plot patterns in West Africa. This study focused on...

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Effect of an impoundment on nutrient dynamics in the Kihansi River, Tanzania

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RJ Ideva J Machiwa F Schiemer T Hein

The impact of the Kihansi Dam on electrical conductivity, pH, temperature and dissolved oxygen in the Kihansi River was assessed in 2005 after 85% of the original river flow had been diverted to the Lower Kihansi power plant. The results...

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A benthic survey of the rocky reefs off Pondoland, South Africa

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Celliers BQ Mann AHH Macdonald MH Schleyer

A subtidal marine biodiversity survey was carried out on shallow reefs (−1m to −30m) in the proclaimed Pondoland Marine Protected Area between Port Edward and Port St Johns, South Africa. A total of 26 benthic reef transects was undertaken involving...

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Extension of PIRATA in the tropical South-East Atlantic: an initial one-year experiment

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Rouault J Servain CJC Reason B Bourlès MJ Rouault N Fauchereau

The Pilot (later termed Prediction) and Research Moored Array in the Tropical Atlantic (PIRATA) programme, developed as a multinational network by Brazil, France and the USA, has deployed and maintained an array of 17 Autonomous Temperature Line Acquisition Systems (ATLAS)...

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Chemical composition and in vitro ruminal fermentation of selected grasses in the semiarid savannas of Swaziland

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S Tefera V Mlambo BJ Dlamini AM Dlamini KDN Koralagama FL Mould

Little is known about the grass species type, composition and nutritive value in the semiarid savannas that sustain most of Swaziland's cattle population through the seven-month-long dry season. This study was conducted to investigate the nutritional characteristics of grasses collected...

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Productivity gains by fertilisation in Eucalyptus urophylla clonal plantations across gradients in site and stand conditions

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JM de Aguiar Ferreira --- , Brazil JL Stape --- Department of Forestry and Environmental Resources, USA

Nutrition management in Eucalyptus plantations is fundamental for sustaining high production. Fertilisation is routinely used to improve tree nutrition, providing profitable returns on large investments. Growth responses to fertilisation differ dramatically among sites, however, so efficient investment decisions in fertilisation...

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Percentile-based Weibull diameter distribution model for Pinus kesiya stands in Benguet province, Philippines

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Roscinto Ian C Lumbres --- Warm Temperate and Subtropical Forest Research Center, Republic of Korea Young Jin Lee --- Department of Forest Resources, Republic of Korea

This study was conducted to develop a diameter distribution model for Pinus kesiya stands in Benguet province, Philippines, using the percentile-based Weibull model. The performance of the different equations was examined using evaluation statistics such as the fit index (FI)...

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Exploring a regional pharmaceutical innovation network as a possible solution to the market failure in the innovation of essential medicines for tropical diseases in sub-Saharan Africa

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Thaddeus Manu --- Centre for Commercial Law Studies, UK

From an economic reasoning perspective, pharmaceutical research and development operates as a pure market activity. This viewpoint suggests innovations are receptive to questions of commerce. It is on this basis the pharmaceutical industry has undervalued the innovation of medicines for...

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Water and habitat quality assessment in the Honi and Naro Moru rivers, Kenya, using benthic macroinvertebrate assemblages and qualitative habitat scores

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JG Mbaka --- Department of Biological Sciences, Kenya CM M'Erimba --- Department of Biological Sciences, Kenya HK Thiongo --- Department of Natural Resources, Kenya JM Mathooko --- Global Research Akademik and Mentoring Services, Kenya

An assessment of water and habitat quality, based on macroinvertebrate assemblage indices and qualitative habitat scores (QHS), was undertaken in the Honi and Naro Moru rivers, Kenya, in 2011. The two rivers are important as water sources for the local...

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Seasonal variability of secondary production of cladocerans and rotifers, and their trophic role in Lake Tana, Ethiopia, a large, turbid, tropical highland lake

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: A Wondie --- Department of Fisheries, Wetlands and Wildlife, Faculty of Agriculture and Environment, Ethiopia S Mengistou --- Department of Zoological Sciences, Ethiopia

Daily and annual production rates of eight cladoceran and two rotifer species, and their seasonal variation and trophic role in the large, turbid, tropical Lake Tana, Ethiopia, were assessed in 2003–2005. Laboratory cultures were used to infer cladoceran development times,...

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Decline of Terebralia palustris in South African mangroves

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JL Raw --- DST/NRF Research Chair in Shallow Water Ecosystems, South Africa R Perissinotto --- DST/NRF Research Chair in Shallow Water Ecosystems, South Africa RH Taylor --- School of Hydrology, South Africa NAF Miranda --- DST/NRF Research Chair in Shallow Water Ecosystems, South Africa N Peer --- DST/NRF Research Chair in Shallow Water Ecosystems, South Africa

Terebralia palustris (Linnaeus, 1767), the giant mangrove whelk, is a prominent component of mangrove ecosystem malacofauna in the Indo-West-Pacific region. On the east coast of Africa, the range of T. palustris extends from Kenya to the south-eastern region of South...

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Improving productivity and sustainability of successive rotations of Acacia auriculiformis plantations in South Vietnam

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vu Dinh Huong --- Forest Science Institute of South Vietnam, Vietnam EK Sadanandan Nambiar --- CSIRO Land and Water Flagship, Australia Le Thanh Quang --- Forest Science Institute of South Vietnam, Vietnam Daniel S Mendham --- CSIRO Land and Water Flagship, Australia Pham The Dung --- Forest Science Institute of South Vietnam, Vietnam

We studied the productivity of Acacia auriculiformis plantations in South Vietnam over three successive rotations covering 15 years. The focus of our study was on the effects of inter-rotation management on stand growth and soil properties. Contrastin g slash and...

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A new genus and species of Ceratocanthidae from Tanzania (Coleoptera: Scarabaeoidea)

Item type: Journal Article • Journal: African Zoology • Authors: Alberto Ballerio --- Viale Venezia 45, I-25123 Brescia, Italy

Cryptophilharmostes mahunkai n.gen., n.sp., a remarkable Ceratocanthidae (Coleoptera: Scarabaeoidea) from the Usambara Mountains (Tanzania), is described. The morphology of the clypeus and mesoepisternum is discussed, also with reference to other Ceratocanthidae. The affinities of the genus are discussed, and within...

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Vagrant Subantarctic fur seals at Bouvetøya

Item type: Journal Article • Journal: African Zoology • Authors: G. J. G. Hofmeyr --- Mammal Research Institute, Department of Zoology and Entomology, South Africa M. N. Bester --- Mammal Research Institute, Department of Zoology and Entomology, South Africa S. P. Kirkman --- Mammal Research Institute, Department of Zoology and Entomology, South Africa

Three vagrant Subantarctic fur seals, Arctocephalustropicalis, were seen amongst a colony of Antarctic fur seals, A. gazella, at the isolated subantarctic island, Bouvetøya. Possible sources of the vagrants are populations at either Gough Island or the Prince Edward Islands Archipelago.

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Goose barnacle (Lepas australis) infestation of the Subantarctic fur seal (Arctocephalus tropicalis)

Item type: Journal Article • Journal: African Zoology • Authors: T. H. Setsaas --- Mammal Research Institute, Department of Zoology and Entomology, South Africa M. N. Bester --- Mammal Research Institute, Department of Zoology and Entomology, South Africa

Goose barnacle infestations (Lepas australis) were found on the pelage of two female Subantarctic fur seals (Arctocephalus tropicalis) at Gough Island in the South Atlantic. The infested females were both relatively old at 11 and 15 years of age. We...

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The incidence of torpor in winter and summer in the Angolan free-tailed bat, Mops condylurus (Microchiroptera: Molossidae), in a subtropical environment, Mpumulanga, South Africa

Item type: Journal Article • Journal: African Zoology • Authors: L. Vivier --- Zoology Department, South Africa M. van der Merwe --- Department of Zoology and Entomology, South Africa

The incidence of torpor during summer and winter in response to cold exposure in Mops condylurus was studied in a subtropical environment. Body temperature changes under natural roosting conditions during winter and summer were monitored using bats fitted with temperature-sensitive...

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Zonation of benthic communities on the subtropical Aliwal Shoal, Durban, KwaZulu-Natal, South Africa

Item type: Journal Article • Journal: African Zoology • Authors: J. M. Olbers --- Ezemvelo KwaZulu-Natal Wildlife, South Africa L. Celliers --- Oceanographic Research Institute, South Africa M. H. Schleyer --- Oceanographic Research Institute, South Africa

Aliwal Shoal is a subtropical, algal-dominated reef in a marine protected area located south of Durban, South Africa. The shoal has historically been heavily utilized by fishermen and SCUBA divers. In this study, a survey was undertaken to describe and...

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Vagrant Subantarctic fur seal in the Mayumba National Park, Gabon

Item type: Journal Article • Journal: African Zoology • Authors: R. Zanre --- Mayumba Project Manager, Wildlife Conservation Society, Gabon M. N. Bester --- Department of Zoology and Entomology, South Africa

A vagrant adult male Subantarctic fur seal Arctocephalus tropicalis was seen and photographed on the beach in Mayumba National Park in the Gabonese Republic. This is the northern most sighting on record for the species. The likely source of the...

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Sexing monomorphic western mountain greenbuls on Mount Cameroon using morphometric measurements

Item type: Journal Article • Journal: African Zoology • Authors: Eric Djomo Nana --- Department of Ecology, Czech Republic Pavel Munclinger --- Department of Zoology, Czech Republic Michal Ferenc --- Department of Ecology, Czech Republic Ondřej Sedlàček --- Department of Ecology, Czech Republic Tomàč Albrecht --- Department of Zoology, Czech Republic David Hořàk --- Department of Ecology, Czech Republic

The western mountain greenbul, Andropadus tephrolaemus, is a poorly-known monomorphic forest greenbul. We investigated whether morphological measurements could be used to discriminate between sexes of this species, with a sample of birds captured in two forest types on Mt Cameroon...

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Vagrant Subantarctic fur seal on the coast of Tanzania

Item type: Journal Article • Journal: African Zoology • Authors: G.J. Greg Hofmeyr --- Port Elizabeth Museum at Bayworld, South Africa Omar A. Amir --- Institute of Marine Sciences, Tanzania

An immature Subantarctic fur seal was sighted on Unguja Island, Zanzibar, Tanzania, in 2008. This is the most northerly record of a vagrant of this species. The nearest breeding colony is on the Prince Edward Islands, 4500 km distant. While...

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Seasonal variations in the operating temperature of silicon solar panels in southern Ghana

Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: H.A. Koffi --- Department of Physics, Ghana V.C.K. Kakane --- Department of Physics, Ghana A. Kuditcher --- Department of Physics, Ghana A.F. Hughes --- Department of Physics, Ghana M.B. Adeleye --- Department of Physics, Ghana J.K.A Amuzu --- Department of Physics, Ghana

This work deals with the seasonal daily variation of the operating temperature of silicon solar panels under tropical atmospheric conditions, including high turbidity (Harmattan dust particles). Data was collected from March 2010 to July 2012 at Legon (0°11′08″ W, 5°39'04″...

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Tropical diabetic hand syndrome: prevention through education

Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: K. Akhuemokhan --- Department of Medicine, Edo State P. Echekwube --- Department of Medicine, Edo State F. Bakpa --- Department of Medicine, Edo State P. Okokhere --- Department of Medicine, Edo State

Tropical diabetic hand syndrome describes an acute symptom complex found in patients with diabetes in the tropics, usually following minor trauma to the hand. Two different patients, both previously diagnosed with diabetes, suddenly developed an abscess of the hand that...

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Population estimates of the breeding birds of the Tinhosas islands (Gulf of Guinea), the only major seabird colony of the eastern tropical Atlantic

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Simon Valle --- Division of Biology and Conservation Ecology, School of Science and the Environment, UK Nuno Barros --- Portuguese Society for the Study of Birds, Marine Department, Portugal Iván Ramírez --- BirdLife International, Belgium Ross M Wanless --- Seabird Division, BirdLife South Africa, South Africa

The Tinhosas islands, in São Tomé e Príncipe, host the most important seabird breeding colony in the Gulf of Guinea, but information on its conservation status was hitherto unpublished or anecdotal, the last assessment having been performed in 1997. A...

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Temporal dynamics and relationship between climate, limnological variables and zooplankton composition in climate-sensitive Lake Bosumtwi, Ghana

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PO Sanful --- Department of Fisheries and Water Resources, School of Natural Resources, Ghana S Aikins --- Department of Theoretical and Applied Biology, Ghana E Frempong --- Department of Theoretical and Applied Biology, Ghana RI Hall --- Department of Biology, Canada RE Hecky --- Biology Department and Large Lakes Observatory, USA

The community composition and the factors affecting seasonal and interannual dynamics of zooplankton in Lake Bosumtwi were studied biweekly at a central index station during 2005 and 2006. The lake zooplankton community was species poor. Mesocyclops bosumtwii was numerically superior...

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The potential for using red claw crayfish and hybrid African catfish as biological control agents for Schistosoma host snails

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: C Monde --- Copperbelt University, Zambia S Syampungani --- Copperbelt University, Zambia A Rico --- Madrid Institute for Advanced Studies (IMDEA) in Water, Science and Technology Campus, Spain PJ van den Brink --- Wageningen University, The Netherlands

The potential of red claw crayfish and hybrid African catfish (Clarias gariepinus and Clarias ngamensis) as predators for Schistosoma host snails was evaluated in 2014 by monitoring the consumption of snails by crayfish and catfish in experimental tanks over time...

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Evaluating oat cultivars for dairy forage production in the central Kenyan highlands

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Solomon W Mwendia --- Centro Internacional de Agricultura Tropical, Tropical Forages, Kenya Brigitte L Maass --- Centro Internacional de Agricultura Tropical, Tropical Forages, Kenya David G Njenga --- International Fertilizer Development Center, Kenya Fridah N Nyakundi --- Centro Internacional de Agricultura Tropical, Biometrics, Kenya An Maria O Notenbaert --- Centro Internacional de Agricultura Tropical, Tropical Forages, Kenya

With the projected increase in future demand for animal products, efforts to raise animal productivity are necessary to match the rise. Already, the estimated per-capita milk consumption in Kenya has increased to 150 L from 100 L estimated in 1998...

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Contrasting hydrography and phytoplankton distribution in the upper layers of cyclonic eddies in the Mozambique Basin and Mozambique Channel

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Lamont --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa RG Barlow --- Marine Research Institute and Department of Oceanography, South Africa

Hydrographic data collected in cyclonic eddies in the Mozambique Channel and Basin revealed notable differences in temperature and salinity at a depth of 100 m, the upper mixed layer, the nitracline depths, and vertical distribution of chlorophyll-a (Chl-a). Differences in...

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Evidence of multiple divergent mitochondrial lineages within the southern African diplopod genus Bicoxidens Attems, 1928 (Spirostreptida)

Item type: Journal Article • Journal: African Zoology • Authors: Tawanda Tinago --- Department of Biology, School of Natural Sciences and Mathematics, Zimbabwe Tarombera Mwabvu --- School of Biology and Environmental Sciences, Faculty of Agriculture and Natural Sciences, South Africa Angus HH MacDonald --- School of Life Sciences, South Africa

Two recent studies have suggested that divergent mitochondrial lineages may be present within spirostreptid genera such as Bicoxidens Attems, 1928. Bicoxidens, similar to many other endemic soil invertebrates, exhibits low dispersal capabilities and strict microclimate habitat preferences, attributes that often...

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Biodiversity and ecology of epilithic diatoms in the Agnéby River, Ivory Coast

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: KR N’Guessan --- Laboratoire d’Hydrobiologie et d’Éco-technologie des Eaux-U.F.R, Côte d’Ivoire BRD Aboua --- Laboratoire d’Hydrobiologie et d’Éco-technologie des Eaux-U.F.R, Côte d’Ivoire J Tison-Rosebery --- Irstea-ur eabx, France A Ouattara --- Laboratoire d’Environnement et de Biologie Aquatique, UFR-Sciences et Gestion de l’Environnement, Côte d’Ivoire EP Kouamelan --- Laboratoire d’Hydrobiologie et d’Éco-technologie des Eaux-U.F.R, Côte d’Ivoire

The ecology and taxonomy of the epilithic diatom flora of the Agnéby River, Ivory Coast were studied in 2012. Ten sites were investigated and diatoms were sampled on glass slides immersed for a period of 30 days during the wet...

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Tiller population dynamics in eight cultivars of elephant grass during undisturbed growth

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: José A Rueda --- Licenciatura en Zootecnia, Mexico Eusebio Ortega-Jiménez --- Colegio de Postgraduados, Mexico Javier F Enríquez-Quiroz --- Campo Experimental “La Posta”, Mexico Rogelio E Palacios-Torres --- Licenciatura en Zootecnia, Mexico Sergio Ramírez-Ordoñes --- Licenciatura en Zootecnia, Mexico

The aim of the study was to assess tiller population dynamics of aerial and basal tillers in eight cultivars of Pennisetum purpureum (Schumach.), syn. Cenchrus purpureus (Schumach.) Morrone, in a warm humid climate in Veracruz, Mexico. This is a pioneer...

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Seasonal changes in pasture biomass and grazing behaviour of cattle in the Guinea Savanna agroecological zone of Ghana

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Maxwell Akapali --- Department of Animal Science, Ghana Terry Ansah --- Department of Animal Science, Ghana Ibn Iddriss Abdul-Rahman --- Department of Animal Science, Ghana Benjamin Alenyorege --- Department of Animal Science, Ghana Bernard N Baatuuwie --- Department of Forestry and Forest Resources Management, Ghana

Spatial and temporal availability of pasture vegetation and cattle grazing behaviour in three seasons (intermediate season [IM], peak season [PS] and dry season [DS]) in the Guinea Savanna agroecological zone of Ghana was examined. The frequency of occurrence of three...

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Effect of tree spacing on growth and wood density of 38-year-old Cariniana legalis trees in Brazil

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ivanka Rosada de Oliveira --- Departamento de Ciências Florestais, Brazil Matheus Peres Chagas --- Setor de Engenharia Florestal, Brazil Jean-Pierre Bouillet --- Departamento de Ciências Florestais, Brazil Eduardo Luiz Longui --- Divisão de Dasonomia, Brazil Israel Luiz de Lima --- Divisão de Dasonomia, Brazil Bruno Bordron --- Departamento de Ciências Florestais, Brazil Angel Boschiero Ferreira --- Departamento de Ciências Florestais, Brazil Mario Tommasiello Filho --- Departamento de Ciências Florestais, Brazil

Average wood density of 38-year-old Cariniana legalis (Mart.) Kuntze, a Brazilian native forest species, was found to increase with faster growth and lower stocking, while decreasing from pith to bark. A complete randomised block design was planted with five blocks...

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Long-term effects of pig slurry application on selected soil quality parameters and tissue composition of maize in a subhumid subtropical environment

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Tichaedza J Chikuvire --- School of Agricultural Earth and Environmental Sciences, South Africa Pardon Muchaonyerwa --- School of Agricultural Earth and Environmental Sciences, South Africa Rebecca Zengeni --- School of Agricultural Earth and Environmental Sciences, South Africa

Effects of long-term application of pig slurry (PS) on soil organic carbon (SOC) pools, nutrients and maize tissue composition under continuous conventional tillage in a maize–soyabean rotation system in subhumid subtropical environments are unclear. The soil and plant parameters have...

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Effect of residue management and fertiliser application on the productivity of a Eucalyptus hybrid and Acacia mangium planted on sloping terrain in northern Vietnam

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Nguyen Van Bich --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Daniel Mendham --- CSIRO Land and Water, Australia Katherine J Evans --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Tran Lam Dong --- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Vietnam Vo Dai Hai --- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Vietnam Hoang Van Thanh --- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Vietnam Caroline L Mohammed --- Tasmanian Institute of Agriculture, University of Tasmania, Australia

Forest plantation growers in Vietnam commonly burn residues after harvesting and often apply suboptimal amounts of nutrients during plantation establishment. We examined whether the retention of forest residue, and application of phosphorus fertiliser at higher rates, can increase rates of...

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Seasonal cycle of the salinity barrier layer revealed in the northeastern Gulf of Guinea

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AN Dossa --- International Chair in Mathematical Physics and Applications (ICPMA-UNESCO Chair), Benin CY Da-Allada --- International Chair in Mathematical Physics and Applications (ICPMA-UNESCO Chair), Benin G Herbert --- Institut de Recherche pour le Développement (IRD), Instrumentation, Moyens Analytiques, France B Bourlès --- Institut de Recherche pour le Développement (IRD), Instrumentation, Moyens Analytiques, France

The region located in the far northeast of the Gulf of Guinea (NEGG), eastern tropical Atlantic, remains poorly documented due to a lack of available in situ ocean data. Heavy rainfall and intense river discharges observed in this region induce...

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Diet of catfish Clarias buthupogon Sauvage, 1879 (Clariidae) in two rivers in the Yoko Reserve, Tshopo Province, Democratic Republic of the Congo

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RB Mahamba --- Department of Phytotechnics, Democratic Republic of the Congo JN Ndjaki --- Department of Hydrobiology, Democratic Republic of the Congo AB Kankonda --- Department of Hydrobiology, Democratic Republic of the Congo J-C Micha --- Environmental Biology Research Unit (URBE), Belgium

The diet of the catfish, Clarias buthupogon, was studied in two forest rivers in the Yoko Reserve, the Yoko and Biaro Rivers, from September 2008 to August 2009. Gill nets, long lines and traditional traps were used to catch the...

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Spatio-temporal variation of environmental variables and aquatic macroinvertebrate assemblages in Lake Nokoué, a RAMSAR site of Benin

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: OH Odountan --- Laboratory of Ecology and Aquatic Ecosystem Management, Department of Zoology, Republic of Benin L Janssens de Bisthoven --- Capacities for Biodiversity and Sustainable Development (CEBioS), Belgium CZ Koudenoukpo --- Laboratory of Hydrobiology and Aquaculture, Benin Y Abou --- Laboratory of Ecology and Aquatic Ecosystem Management, Department of Zoology, Republic of Benin

Environmental characteristics and macroinvertebrate assemblages of Lake Nokoué (Benin) were investigated from September 2014 to July 2016. Seasonal and hydroclimatic changes, as well as anthropogenic activities were the overriding factors affecting environmental variables investigated. Analysis of macroinvertebrate community structure with...

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Summarising biometrics from the SAFRING database for southern African birds

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sanjo Rose --- , South Africa Robert L Thomson --- , South Africa Hans-Dieter Oschadleus --- , South Africa Alan TK Lee --- , South Africa

Biometrics form a key characteristic of a species. Here, we provide a summary of biometrics held by the South African Bird Ringing Scheme (SAFRING), which was initiated in 1948, including measures of mass and lengths of the tarsus, head, culmen,...

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Effect of harvest residue management on soil properties of Eucalyptus hybrid and Acacia mangium plantations planted on steep slopes in northern Vietnam

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Nguyen Van Bich --- , Australia Alieta Eyles --- , Vietnam Daniel Mendham --- , Australia Tran Lam Dong --- , Vietnam Katherine J. Evans --- , Australia Vo Dai Hai --- , Vietnam Caroline Mohammed --- , Australia

Burning harvest residues during site preparation can compromise the soil-nutrient stock in short-rotation plantations, but this practice remains common in northern Vietnam. This study compared the effect of two contrasting harvest-residue treatments (burning vs retention) on soil total carbon (TC),...

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Composition, structure and diversity of fish assemblages across seascape types at Príncipe, an understudied tropical island in the Gulf of Guinea (eastern Atlantic Ocean)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: F Otero-Ferrer --- , Canary Islands F Tuya --- , Canary Islands NE Bosch Guerra --- , Australia A Herrero-Barrencua --- , Canary Islands AD Abreu --- , R Haroun --- , Canary Islands

Coastal seascapes are often composed of a mosaic of interconnected habitats. Transitions between adjacent habitats are of special relevance to the ecology of many reef-associated organisms. In this study, we tested (i) whether the degree of similarity in the composition...

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Topo-edaphic environment and forest plantation disturbance explain patterns of grassland species richness, composition and structure in an agro-ecological landscape, Maputaland, South Africa

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AP Starke --- , South Africa TG O’Connor --- , South Africa CS Everson --- , South Africa

Grasslands of the Maputaland coastal plain are biologically diverse and provide a variety of ecosystems services. Yet grasslands in this region are vulnerable to continuing development by plantation forestry that provides economic benefits to local communities. In order to provide...

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Occurrence of Dalbergia obovata in grasslands of urban nature reserves within a metropolitan municipality: Is it an encroaching woody species?

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Terry Stewart --- , South Africa Peter F Scogings --- , South Africa Himansu Baijnath --- , South Africa

The occurrence of Dalbergia obovata, which is typically associated with forests, in grasslands within conservation areas in a metropolitan municipality was investigated to assess whether it was encroaching and what the possible causes might be. Relevant legislation has not regarded...

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Contribution of temperate germplasm to the performance of maize hybrids under stress and non-stress environments in South Africa

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sphiwokuhle Shandu --- , South Africa Edmore Gasura --- , Zimbabwe Kingstone Mashingaidze --- , South Africa John Derera --- , South Africa

Increases in genetic gains are crucial to maize breeding programmes. The objectives of this study were to identify higher-yielding and stable maize hybrids across stress and non-stress environments, to identify representative test environments for testing and selection of superior maize...

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Warming promotes growth of seedlings of a woody encroacher in grassland dominated by C₄ species

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Lusanda Ncisana --- , South Africa Ntuthuko R Mkhize --- , South Africa Peter F Scogings --- , South Africa

Little is known of warming effects on growth and defence of woody seedlings that potentially invade grasslands. We predicted that elevated temperatures would increase growth and spine length of Vachellia sieberiana seedlings growing (1) with or without grass in the...

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Population trends of resident and migrant West African bird species monitored over an 18-year period in central Nigeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Joy Akpanta Ishong --- AP Leventis Ornithological Research Institute, Nigeria Joseph K Afrifa --- AP Leventis Ornithological Research Institute, Nigeria Soladoye B Iwajomo --- AP Leventis Ornithological Research Institute, Nigeria Justus P Deikumah --- AP Leventis Ornithological Research Institute, Nigeria Samuel T Ivande --- AP Leventis Ornithological Research Institute, Nigeria Will Cresswell --- AP Leventis Ornithological Research Institute, Nigeria

Almost no systematic monitoring of bird population trends occurs in West Africa, despite rapid human population increase, habitat change, and climate change, making conservation planning problematic. We monitored bird population trends using constant-effort mist netting, in a newly protected area...

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Investigation of green-glued laminated timber from the Congo Basin: durability, mechanical strength and variability trends of the bondlines

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: René Oum Lissouck --- University of Yaoundé I, Cameroon Rachel Raïssa Ngono Mvondo --- Institute of Wood Technology, University of Yaoundé I, Cameroon François René Ateba --- Institute of Wood Technology, University of Yaoundé I, Cameroon Regis Pommier --- University of Bordeaux, France

The development of glulam may give complementary, added-value to an important part of the timber production in the Congo Basin. Nevertheless, the high humidity in which these timbers operate may cause problems such as cracks and severe deformations if they...

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Patterns of fish distribution in tropical rock pools at Príncipe Island, Gulf of Guinea

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Azevedo e Silva --- University of Lisbon, Portugal AJ Almeida --- University of Lisbon, Portugal M Cravo --- University of Lisbon, Portugal MP Pais --- University of Lisbon, Portugal Y Santos --- , São Tomé e Príncipe J Paula --- University of Lisbon, Portugal

Little is known about the ichthyofauna from intertidal rock pools of the west coast of Africa, especially in the Gulf of Guinea. Rock pools are characteristic habitats of the intertidal zone of structurally complex rocky shores, adding important niche space...

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Evidence for an Afrotemperate amphibian fauna

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: JohnC. Poynton --- , UK

Latitudinal and altitudinal changes in composition of the African amphibian fauna is analysed to test the standard zoogeographical division of the continent into Palaearctic and Afrotropical Regions. A comparably high faunal change north and south of the. tropical savannas suggests...

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A new forest‐dwelling hemidactylus (squamata: Gekkonidae) from Gabon, West Africa

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: AaronM. Bauer --- Villanova University, USA OlivierS.G. Pauwels --- Institut Royal des Sciences naturelles de Belgique, Belgium

A distinctive new species of forest‐dwelling gecko of the genus Hemidactylus is described from Mt. Iboundji in south central Gabon. The species is distinguished from other equatorial West African members of the genus by its 18–19 rows of small dorsal...

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Age structure in the false tomato frog Dyscophus guineti from eastern Madagascar compared to the closely related D. antongilii (Anura, Microhylidae)

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Giulia Tessa --- Università degli Studi, Italy FabioM. Guarino --- Università di Napoli Federico II, Italy JasminE. Randrianirina --- Parc Botanique et Zoologique de Tsimbazaza, Faune, Madagascar Franco Andreone --- Museo Regionale di Scienze Naturali, Zoology, Italy

The false tomato frog, Dyscophus guineti, is an endemic species of eastern Madagascar, typically found in open and swampy areas of mid-elevation forests. We measured 62 females and 70 males from a population from Marovato, next to Brickaville. Snout-vent length...

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Afrotemperate Amphibians in southern and eastern Africa: a critical review

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: JohnC. Poynton --- Natural History Museum, UK

The term ‘Afrotemperate’ is taken to cover the area and fauna of the southern Cape, eastern highlands of South Africa, and intertropical highlands. A feature of Afrotemperate distribution is that it conforms to climatic zones rather than to latitudinal zonation...

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Tropical wood species: alternative model to determine the characteristic compressive strength perpendicular to grain

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Arthur Filipe Freire Gomes --- Federal University of São Carlos (UFSCar), Brazil Fernando Júnior Resende Macarenhas --- Rua Luís Reis Santos - Pólo II, University of Coimbra, Portugal Diego Henrique de Almeida --- Federal University of São Carlos (UFSCar), Brazil Alfredo Manuel Pereira Geraldes Dias --- Rua Luís Reis Santos - Pólo II, University of Coimbra, Portugal Tulio Hallak Panzera --- Federal University of São João Del Rey (UFSJ), Brazil Francisco Antônio Rocco Lahr --- University of São Paulo (USP), Brazil André Luis Christoforo --- Federal University of São Carlos (UFSCar), Brazil

Brazil has a vast area of native forests with the potential to be sustainably exploited for application in civil construction. Density is a key factor when analysing the characteristics of different wood species and their future uses, and additionally it...

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Relationship between sediment grain sizes and macroinvertebrate distribution along the Isiukhu River, western Kenya

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Emmanuel Mzungu --- Masinde Muliro University of Science and Technology, Kenya Anthony W Sifuna --- Masinde Muliro University of Science and Technology, Kenya William A Shivoga --- Masinde Muliro University of Science and Technology, Kenya

The current study investigated the relationship between sediment grain sizes and macroinvertebrate distribution along the Isiukhu River, a tropical stream in western Kenya. Ten sites in total were selected from the upstream, midstream and downstream areas. Sampling of sediments and...

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Fine-scale variation reveals high structure and floristic heterogeneity in dry forests of the Cerrado

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Frederico Augusto Guimarães Guilherme --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Deivid Lopes Machado --- Universidade Federal de Jataí, Brasil Gabriel Eliseu Silva --- Universidade Federal de Jataí, Brasil Natanael Moreira Nascimento --- Universidade Federal de Jataí, Brasil Gustavo Luz Ferreira --- Universidade Federal de Jataí, Brasil Kaila de Assis Ressel Pereira --- Universidade Federal de Jataí, Brasil Ana Paula de Souza --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Pollyana de Godoy Borges --- Universidade Federal de Jataí, Brasil Laura Rezende Souza --- Universidade Federal de Jataí, Brasil James Dean Leal Rocha --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Christiano Peres Coelho --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Everton Alves Maciel --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Wendy Carniello Ferreira --- Universidade Federal de Jataí, Brasil Marlon Zortéa --- Instituto de Biociências, Universidade Federal de Jataí, Brasil Steffan Eduardo Silva Carneiro --- Universidade Federal de Jataí, Brasil

This study aimed to compare the floristic and tree structure of two dry forests patches located in a forest remnant encompassed in Cerrado biome, south Goiás state, Brazil. In semideciduous (SF) and deciduous (DF) dry forests, we allocated 25 permanent...

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Species diversity and distribution-pattern determinants of African rivulines (Cyprinodontiformes: Nothobranchiidae) in rainforest streams of southern Cameroon

Item type: Journal Article • Journal: African Zoology • Authors: FD Messu Mandeng --- Higher Teacher’s Training College (ENS), University of Yaoundé I, Cameroon CF Bilong Bilong --- University of Yaoundé I, Cameroon JF Agnese --- University of Montpellier (CNRS, IRD, EPHE), France

Understanding the community structure and ecology of fish populations in rainforest streams is a prerequisite for any actions towards their exploitation, management or conservation. We examined the community structure and species diversity of nothobranchiids (African rivulines) in rainforest streams of...

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Anton Reichenow and the birds of Africa

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Rhodes University, South Africa

The first handbook of the birds of Africa was completed in 1905 by Anton Reichenow (1847–1941). Based in the Berlin museum for almost 50 years, he described 152 African taxa that are still recognised as valid species today, and was...

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Floristic and structural changes in a neotropical urban novel forest over 13 years

Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Marcelly de Souza Ventura --- Universidade Federal de Juiz de Fora, Brazil Thales Castilhos de Freitas --- Universidade Federal de Juiz de Fora, Brazil Ricardo Montianele de Castro --- Universidade Federal de Juiz de Fora, Brazil Mariana Couto Cruz --- Universidade Federal de Juiz de Fora, Brazil Kelly Antunes --- Universidade Federal de Juiz de Fora, Brazil Taísa Nascimento de Souza --- Universidade Federal de Juiz de Fora, Brazil Breno Moreira --- Universidade Federal de Juiz de Fora, Brazil Fabrício Alvim Carvalho --- Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Brazil

The ecological importance of non-native species is the main characteristic of novel ecosystems. Pinus elliottii species is highly invasive in tropical forests and is commonly found in secondary forests in Brazil. We investigated the floristic and structural changes in an...

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Prevalence of mixed dermatophyte and non-dermatophyte onychomycosis in surveillance of patients with diabetes living in a sub-tropical climate and association with selected diabetes foot ulcer risk factors

Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: AT Thompson --- University of KwaZulu-Natal, South Africa C Aldous --- University of KwaZulu-Natal, South Africa

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Intercropping techniques improve pasture quality and beef cattle performance compared to livestock systems

Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Pedro Mielli Bonacim --- Instituto de Zootecnia, Agência Paulista de Tecnologia dos Agronegócios, Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Brazil Claudia Cristina Paro de Paz --- Instituto de Zootecnia, Agência Paulista de Tecnologia dos Agronegócios, Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Brazil Gabriela Geraldi Mendonça --- São Paulo University, College of Veterinary Medicine and Animal Science, Brazil Mara Regina Moitinho --- São Paulo State University (FCAV–UNESP), Brazil Jeferson Garcia Augusto --- Instituto de Zootecnia, Agência Paulista de Tecnologia dos Agronegócios, Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Brazil Leonardo Sartori Menegatto --- Instituto de Zootecnia, Agência Paulista de Tecnologia dos Agronegócios, Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Brazil Taise Robinson Kunrath --- Instituto de Zootecnia, Agência Paulista de Tecnologia dos Agronegócios, Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Brazil Márcia Saladini Vieira Salles --- Instituto de Zootecnia, Agência Paulista de Tecnologia dos Agronegócios, Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Brazil Flávia Fernanda Simili --- Instituto de Zootecnia, Agência Paulista de Tecnologia dos Agronegócios, Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Brazil

In integrated crop-livestock systems (ICLS), pasture is intercropped with crops to provide grain for feed and forage mass for grazing. Although scientific results have shown the benefits of using ICLS instead of conventional livestock systems, few studies have investigated the...

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Aquatic hitchhikers: examining the phoretic associations between blackfly (Diptera: Simuliidae) and mayfly (Ephemeroptera: Heptageniidae, Tricorythidae) larvae in Kenyan river ecosystems

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JM Benjamin --- University of Florida, USA AL Subalusky --- University of Florida, USA W Graf --- Institute of Hydrobiology and Aquatic Ecosystem Management, University of Natural Resources and Life Sciences (BOKU), Austria

The interaction known as phoresy, where one organism (the phoront) utilises another (the host) primarily for transport or access to food resources, has been observed among various aquatic invertebrates in Afrotropical rivers. Although documented in multiple species, phoresy’s underlying causes,...

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Call description and extended range of Phrynobatrachus mayokoensis in Gabon

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Ryan van Huyssteen --- Ecological Services Ltd, British Virgin Islands Melissa Petford --- Ecological Services Ltd, British Virgin Islands Marius Burger --- Ecological Services Ltd, British Virgin Islands Mark-Oliver Rödel --- , Germany Joris Ngoulou --- Ecological Services Ltd, British Virgin Islands Abraham Bamba Kaya --- Ecological Services Ltd, British Virgin Islands Etienne Akomo Okoue --- Ecological Services Ltd, British Virgin Islands Jerome Gaugris --- Ecological Services Ltd, British Virgin Islands

This study presents the first description of the advertisement call of Phrynobatrachus mayokoensis and reports a new locality record for this species in Gabon. During June 2022, two specimens were found in the Baniaka region, Haut-Ogooué Province, Gabon. The call...

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Wintering grounds under protection: population stability and conservation of migrating waders at Europa Island, western Indian Ocean

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Florinah Razafimandimby --- Université de La Réunion, France Maxime Amy --- TAAF (Terres australes et antarctiques françaises), France Matthieu Le Corre --- Université de La Réunion, France

The tropical western Indian Ocean islands are at the southern limit of the East Africa–West Asia Flyway, but their importance for wintering and conservation of Palearctic waders remains poorly understood. Europa Island, a remote coralline island in the southern Mozambique...

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