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  1. Lateral root production of witloof chicory (<em>Cichorium intybus</em> L.) in response to ebb-and-flood nutrient supply in hydroponics

    Lateral root production of witloof chicory (Cichorium intybus L.) in response to ebb-and-flood nutrient supply in hydroponics

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R. König --- Department of Agronomy, Republic of South Africa N. J.J. Combrink --- Department of Agronomy, Republic of South Africa
    Witloof chicory is currently grown on a large scale by making use of gravity-driven hydroponic cascade systems. A possible drawback of this method may be that the taproot is only submerged in the nutrient solution to a depth of about...
  2. Effect of gravity on the quality of witloof chicory (<em>Cichorium intybus</em> L.)

    Effect of gravity on the quality of witloof chicory (Cichorium intybus L.)

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R. König --- Department of Agronomy, Republic of South Africa N. J.J. Combrink --- Department of Agronomy, Republic of South Africa
    In order to establish the effect of gravity on chicon quality and yield, witloof chicory roots were forced at three angles. It was shown that roots forced in a horizontal position produced a significantly lower marketable chicon yield than roots...
  3. The relationship between chicon quality and lateral root formation in witloof chicory (<em>Cichorium intybus</em> L.)

    The relationship between chicon quality and lateral root formation in witloof chicory (Cichorium intybus L.)

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R. König --- Department of Agronomy, Republic of South Africa N. J.J. Combrink --- Department of Agronomy, Republic of South Africa
    In a related study, it was established that the use of an ebb- and-flood irrigation method during forcing of the taproots of witloof chicory (Cichorium intybus L) could be used to increase lateral root formation. In this study, five irrigation...
  4. Leaf yield of <em>Amaranthus hypochondriatus</em> L. (Imbuya), affected by irrigation systems and water quality

    Leaf yield of Amaranthus hypochondriatus L. (Imbuya), affected by irrigation systems and water quality

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.M. Sedibe --- , N. J. J. Combrink --- Dept. of Agronomy, E.Y. Reinten --- ,
    Family scale vegetable production should be enhanced in rural areas in order to prevent vitamin A deficiencies. A soil-less water-use-efficient ‘Ebb-and-Flood’ production system, developed for areas with limited water resources, was compared with two conventional soil irrigation systems, using Amaranthus...
  5. Fish response to the annual flooding regime in the Kavango River along the Angola/Namibian border

    Fish response to the annual flooding regime in the Kavango River along the Angola/Namibian border

    Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: C. H. Hocutt P. N. Johnson
    The results of the first seasonal survey of the fish of the Kavango River flood-plain along the Angola/Namibia border are reported. The river experiences peak flooding from February through June, with the 375-km long floodplain extending up to 5 km...
  6. ON THE DISSOLVED SOLIDS OF THE PONGOLO FLOOD PLAIN PANS

    ON THE DISSOLVED SOLIDS OF THE PONGOLO FLOOD PLAIN PANS

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J. Heeg --- Pongolo Research Group, C.M. Breen --- Pongolo Research Group, P.M. Colvin --- Pongolo Research Group, H.D. Furness --- Pongolo Research Group, C.F. Musil --- Pongolo Research Group,
    The water retained in the Pongolo flood plain pans differs from that of the Pongolo River not only in having a higher TDS, but also in the composition of the solutes, which approximate to seawater in their equivalent ionic proportions...
  7. BATHYMETRIC STUDIES ON THE PONGOLO RIVER FLOODPLAIN

    BATHYMETRIC STUDIES ON THE PONGOLO RIVER FLOODPLAIN

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: C.M. Breen --- Pongolo River Research Group, Departments of Botany, South Africa H.D. Furness --- Pongolo River Research Group, Departments of Botany, South Africa J. Heeg --- Pongolo River Research Group, Departments of Zoology, South Africa J. Kok --- Pongolo River Research Group, Departments of Zoology, South Africa
    Thirteen of the major pans on the Pongolo river floodplain have been studied. Most are shallow (>2.5 m) and regularly lose up to 70% of their water each year, although few dry out. Floods inundate considerable areas (1000 ha) around...
  8. THE ZOOBENTHOS OF THE TOUW RIVER FLOODPLAIN

    THE ZOOBENTHOS OF THE TOUW RIVER FLOODPLAIN

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: B.R. DAVIES --- Institute for Freshwater Studies, Republic of South Africa
    An eighteen month study (January 1979 - June 1980) of the sediment, emergent and submerged plant-associated benthic macro-invertebrates of the western sector of the Touw River Flood-plain is reported for four study sites: Wilderness Lagoon, the Touw River and East...
  9. A SYSTEM DYNAMICS MODEL OF PART OF THE PONGOLO RIVER FLOODPLAIN: DEVELOPMENT AND WATER MANAGEMENT POLICY ANALYSIS

    A SYSTEM DYNAMICS MODEL OF PART OF THE PONGOLO RIVER FLOODPLAIN: DEVELOPMENT AND WATER MANAGEMENT POLICY ANALYSIS

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: A.K. Drewes --- ,
    The issue of allowing the Liming, duration and magnitude of a flood release to be determined by man has led to a wide spectrum of viewpoints as to which values of these parameters are most suitable for the Pongolo River...
  10. SOME POPULATION CHARACTERISTICS OF THE BIVALVES OF THE PONGOLO RIVER FLOODPLAIN

    SOME POPULATION CHARACTERISTICS OF THE BIVALVES OF THE PONGOLO RIVER FLOODPLAIN

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: C.C. Appleton --- Department of Zoology and Entomology, South Africa P. la Hausse de Lalouvieret --- , South Africa
    Estimates of the density, structure and standing crop of populations of the freshwater bivalve molluscs Caelatura framesi, Aspatharia wahlbergi and Corbicula africana on the Pongolo River floodplain were made from the samples of shells stranded in the mud of several...
  11. DISTRIBUTION AND DIVERSITY OF MKUZE SWAMP FISHES DURING A SUMMER FLOOD

    DISTRIBUTION AND DIVERSITY OF MKUZE SWAMP FISHES DURING A SUMMER FLOOD

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: PH Skelton --- , South Africa AK Whitfield --- , South Africa N P E James --- , South Africa
    Very little information is available on the fishes of the Mkuze swamps and this paper presents the results of an ichthyofaunal survey conducted in March 1988. The study, which coincided with a major river flood, determined that the fish fauna...
  12. ENVIRONMENTAL CORRELATES OF PLANT SPECIES DISTRIBUTION ON THE NYL RIVER FLOODPLAIN

    ENVIRONMENTAL CORRELATES OF PLANT SPECIES DISTRIBUTION ON THE NYL RIVER FLOODPLAIN

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: M. A.S. Coetzee --- Botany Department, South Africa K.H. Rogers --- Botany Department, South Africa
    The envisaged construction of a dam on a major tributary of the Nyl River will alter the hydrological regime with consequent effects on the structure and functioning of the downstream floodplain ecosystem (Nylsvley). Attempts to minimise this impact will be...
  13. IMPLICATIONS OF WATER RELEASE FROM THE PONGOLAPOORT DAM FOR THE FISH AND FISHERY OF THE PHONGOLO FLOODPLAIN, ZULULAND

    IMPLICATIONS OF WATER RELEASE FROM THE PONGOLAPOORT DAM FOR THE FISH AND FISHERY OF THE PHONGOLO FLOODPLAIN, ZULULAND

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: G.S. Merron --- , South Africa M.N. Bruton --- , South Africa P. la Hausse de Lalouviere --- , South Africa
    Wetland fish stocks can usually be sustained as long as the natural flood regime is maintained, but unnatural disruption of the flooding pattern can interfere with fish spawning and feeding. The dynamics of the Phongolo floodplain fish community are determined...
  14. SALINITY, FLOODS AND THE INFAUNAL MACROBENTHIC COMMUNITY OF THE ST LUCIA ESTUARY, KWAZULU-NATAL, SOUTH AFRICA

    SALINITY, FLOODS AND THE INFAUNAL MACROBENTHIC COMMUNITY OF THE ST LUCIA ESTUARY, KWAZULU-NATAL, SOUTH AFRICA

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: R. K. Owen --- , , South Africa A. T. Forbes --- , , South Africa
    The St Lucia estuary and lake comprise some 80 % of the estuarine area of KwaZulu-Natal. The system is subject to floods and hypersaline conditions, the latter twice exceeding 100 since 1970. The lake is connected to the sea by...
  15. MANAGING THE ST. LUCIA ESTUARY—MESSAGES FROM THE MUD

    MANAGING THE ST. LUCIA ESTUARY—MESSAGES FROM THE MUD

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: R. K. Owen --- , , South Africa A. T. Forbes --- , , South Africa
    The infaunal macrobenthic community of the St Lucia estuary has been exposed to natural disturbance in the form of salinity fluctuations arising from floods and hypersaline conditions, and human-induced interference arising from dredging and beam trawling. The responses of the...
  16. An analysis of plant species distributions on the floodplain of the Okavango River, Namibia, with respect to impacts of possible water abstraction

    An analysis of plant species distributions on the floodplain of the Okavango River, Namibia, with respect to impacts of possible water abstraction

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NJ Diederichs WN Ellery
    The proposed abstraction of water from the Okavango River in Namibia could potentially result in significant changes in the vegetation of floodplains downstream of the abstraction point. Direct gradient analysis was used to determine the distribution of the most common...
  17. Effects of the 2000 southern Mozambique floods on a marginal coral community: the case at Xai-Xai

    Effects of the 2000 southern Mozambique floods on a marginal coral community: the case at Xai-Xai

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MarcosAM Pereira Paulo MiguelB Gonçalves
    In early 2000 the southern part of Mozambique suffered the worst flooding in 50 years, causing fatalities and considerable material loss. This study aimed to investigate the impact of this flood on the coral communities in Xai-Xai lagoon. Benthic cover...
  18. The distribution and abundance of the endangered Knysna seahorse <em>Hippocampus capensis</em> (Pisces: Syngnathidae) in South African estuaries

    The distribution and abundance of the endangered Knysna seahorse Hippocampus capensis (Pisces: Syngnathidae) in South African estuaries

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JacquelineF Lockyear Thomas Hecht Horst Kaiser PeterR Teske
    The occurrence, distribution and abundance of the endangered Knysna seahorse Hippocampus capensis in 10 estuaries on South Africa's warm temperate south coast, were investigated. Seahorses were found only in the Knysna, Swartvlei and Keurbooms estuaries. Sex ratios were even and,...
  19. Benthic faunal distribution and abundance in the Mfolozi–Msunduzi estuarine system, KwaZulu-Natal, South Africa

    Benthic faunal distribution and abundance in the Mfolozi–Msunduzi estuarine system, KwaZulu-Natal, South Africa

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SG Ngqulana --- Coastal Research Unit of Zululand, Department of Zoology, South Africa RK Owen --- Coastal Research Unit of Zululand, Department of Zoology, South Africa L Vivier --- Coastal Research Unit of Zululand, Department of Zoology, South Africa DP Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South Africa
    The Mfolozi–Msunduzi estuarine system historically shared a common mouth with the St Lucia estuarine system. In 1952, a separate mouth was created, 1.5 km south of St Lucia mouth, to prevent silt carried by the Mfolozi River from entering Lake...
  20. Spatial and temporal variations in densities of small fishes across different temporary floodplain types of the lower Okavango Delta, Botswana

    Spatial and temporal variations in densities of small fishes across different temporary floodplain types of the lower Okavango Delta, Botswana

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Siziba --- , Botswana MJ Chimbari --- , Botswana K Mosepele --- , Botswana H Masundire --- Department of Biological Sciences, Botswana
    Small-sized and juvenile fishes as well as physicochemical water parameters in various primary, secondary and rarely flooded temporary floodplains of the Okavango Delta were assessed during the different hydrological phases of the 2009–2010 flooding season. Small fishes were sampled in...
  21. Controls on the formation of Wakkerstroom Vlei, Mpumalanga province, South Africa

    Controls on the formation of Wakkerstroom Vlei, Mpumalanga province, South Africa

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: R Joubert --- Department of Environmental Science, South Africa WN Ellery --- Department of Environmental Science, South Africa
    The present study investigated controls on the formation of Wakkerstroom Vlei, an ∼1 000 ha unchannelled valley-bottom wetland on the South African Highveld. Along the uppermost and lowermost reaches of the wetland, where dolerite outcrops occur along the main valley,...
  22. Road Building and the Survival of Indigenous Forest in the Southern Cape

    Road Building and the Survival of Indigenous Forest in the Southern Cape

    Item type: Journal Article • Journal: South African Forestry Journal • Authors: C.J. Geldenhuys --- Saasveld Forestry Research Centre, D. Kotze --- Van Wyk and Louw Consulting Engineers, C.J. van der Merwe --- Saasveld Forestry Research Centre,
    The effects of road building activities on indigenous evergreen forest were investigated to quantify the impact, to provide guide-lines for minimising damage to forests during future road projects and to gain understanding of the response of different species. The investigation...
  23. Influence of flood variation on seasonal floodplain vegetation communities in the Okavango Delta, Botswana

    Influence of flood variation on seasonal floodplain vegetation communities in the Okavango Delta, Botswana

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: G Tsheboeng --- Okavango Research Institute, Botswana MC Bonyongo --- Okavango Research Institute, Botswana M Murray-Hudson --- Okavango Research Institute, Botswana
    This study investigated the influence of flooding variation on floodplain vegetation in the Nxaraga Lagoon seasonal floodplains by sampling community composition and soil nutrient content in 1997, when flood levels were unusually low, and again in 2010 when flood levels...
  24. A SYSTEM DYNAMICS MODEL OF PART OF THE PONGOLO RIVER FLOODPLAIN: DEVELOPMENT AND WATER MANAGEMENT POLICY ANALYSIS

    A SYSTEM DYNAMICS MODEL OF PART OF THE PONGOLO RIVER FLOODPLAIN: DEVELOPMENT AND WATER MANAGEMENT POLICY ANALYSIS

    Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: A.K. Drewes --- ,
    The issue of allowing the timing, duration and magnitude of a flood release to be determined by man has led to a wide spectrum of viewpoints as to which values of these parameters are most suitable for the Pongolo River...
  25. Evaluation of flooding tolerance in cuttings of <em>Populus</em> clones used for forestation at the Paraná River Delta, Argentina

    Evaluation of flooding tolerance in cuttings of Populus clones used for forestation at the Paraná River Delta, Argentina

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: VMC Luquez --- , Argentina FG Achinelli --- , Argentina S Cortizo --- , Argentina
    We analysed the responses to flooding of 14 poplar clones used for forestation at the Paraná River Delta, Argentina. Some are commercial clones planted in the area, and others belong to a poplar breeding program from the National Institute of...
  26. Predation on invasive redclaw crayfish <em>Cherax quadricarinatus</em> by native fishes in the Kafue River, Zambia

    Predation on invasive redclaw crayfish Cherax quadricarinatus by native fishes in the Kafue River, Zambia

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AB. Tyser --- School of Biosciences, UK RJ. Douthwaite --- Kafue River Trust, UK
    The stomach contents of eight species of predatory or omnivorous fish caught in gillnets in the Kafue River in May and June 2010 were examined to determine the relative importance, expressed as ‘prominence value’ (PV), of crayfish Cherax quadricarinatus in...
  27. The status of habitat of great white and pink-backed pelicans in northeastern KwaZulu-Natal, South Africa: a review

    The status of habitat of great white and pink-backed pelicans in northeastern KwaZulu-Natal, South Africa: a review

    Item type: Journal Article • Journal: African Zoology • Authors: Meyrick B. Bowker --- School of Biological and Conservation Sciences, University of KwaZulu-Natal, South Africa Colleen T. Downs --- School of Biological and Conservation Sciences, University of KwaZulu-Natal, South Africa
    Habitat change, mainly through the actions of humans, poses a threat to great white (Pelecanus onocrotalus) and pink-backed (P. rufescens) pelicans in northeastern KwaZulu-Natal, the southernmost distributions of these species on Africa’s eastern seaboard. This study assessed the relative importance...
  28. Meso-zooplankton movement through the newly constructed Mfolozi channel into and out of the St Lucia Estuary, South Africa

    Meso-zooplankton movement through the newly constructed Mfolozi channel into and out of the St Lucia Estuary, South Africa

    Item type: Journal Article • Journal: African Zoology • Authors: Sean van Elden --- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, South Africa Michael J. Dyer --- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, South Africa Nicola K. Carrasco --- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, South Africa Renzo Perissinotto --- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, South Africa
    The historical canalization of the Mfolozi River resulted in the St Lucia Estuary losing its main freshwater source. This, combined with the recent drought, led to low water levels, hypersaline conditions and dramatic losses in biodiversity. The excavation of a...
  29. The psychosocial well-being of a “forgotten” South African community: the case of Ndumo, KwaZulu-Natal

    The psychosocial well-being of a “forgotten” South African community: the case of Ndumo, KwaZulu-Natal

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Werner Nell --- Optentia Research Programme, Department of Behavioural Sciences, South Africa Engela de Crom --- Department of Nature Conservation, South Africa Hendri Coetzee --- Institutional Community Engagement Office and Unit for Environmental Sciences and Management, North-West University, South Africa Elize van Eeden --- Research Group for Integrative Multidisciplinary Ecohealth and Wellbeing Research, South Africa
    This study investigated the psychosocial well-being of an indigenous cultural community in South Africa, using a sequential explanatory mixed-methods design. Data on life satisfaction and emotional, social and psychological well-being were collected from 521 local residents (48% female) of Ndumo...
  30. What factors drive fishery yields in the Lower Shire River, Malawi?

    What factors drive fishery yields in the Lower Shire River, Malawi?

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Tweddle --- South African Institute for Aquatic Biodiversity, South Africa
    The Shire River drains from Lake Malawi to the Lower Zambezi River. Annual flow is dependent mainly on lake level, partially controlled by the operation of a barrage at Liwonde to regulate flows for hydroelectricity generation in the escarpment reaches...
  31. The terrestrial invertebrate fauna of a temporary stream in southern Africa

    The terrestrial invertebrate fauna of a temporary stream in southern Africa

    Item type: Journal Article • Journal: African Zoology • Authors: M.J. Wishart --- Freshwater Research Unit, Zoology Department, South Africa
    The terrestrial invertebrate fauna of an intermittent stream was examined in the absence of surface flows within the context of the flood pulse concept. Terrestrial invertebrates were collected from three sites on the Kruis River in theWestern Cape Province, South...
  32. Spatial aspects of the reproductive and feeding biology of the striped robber, <em>Brycinus lateralis</em> (Pisces: Characidae), in the Okavango Delta, Botswana

    Spatial aspects of the reproductive and feeding biology of the striped robber, Brycinus lateralis (Pisces: Characidae), in the Okavango Delta, Botswana

    Item type: Journal Article • Journal: African Zoology • Authors: Anthony J. Booth --- Department of Ichthyology and Fishery Science, South Africa Bruce W. McKinlay --- Department of Ichthyology and Fishery Science, South Africa
    The Okavango Delta is a vast inland wetland system situated in northern Botswana. High rainfall is received in early summer in the southern Angolan highlands and throughout the Delta with the flood waters reaching the upper riverine floodplain between March...
  33. A baseline classification of riparian woodland plant communities in the Okavango Delta, Botswana

    A baseline classification of riparian woodland plant communities in the Okavango Delta, Botswana

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Gaolathe Tsheboeng --- Okavango Research Institute, Botswana Mike Murray-Hudson --- Okavango Research Institute, Botswana Keotshepile Kashe --- Okavango Research Institute, Botswana
    In the Okavango Delta information on the riparian woodland vegetation community composition and distribution is generally lacking. Past studies in the Delta were mainly focused on the quantitative classification of seasonal floodplain herbaceous vegetation communities. The aim of this study...
  34. Mesozooplankton community structure changes in the Mfolozi–Msunduzi estuarine system, South Africa, during contrasting river flow conditions

    Mesozooplankton community structure changes in the Mfolozi–Msunduzi estuarine system, South Africa, during contrasting river flow conditions

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HL Jerling --- Coastal Research Unit of Zululand, Department of Zoology, South Africa DP Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South Africa
    The Mfolozi–Msunduzi estuarine system is subject to periodic dry and wet cycles, with subsequent changes in the abiotic and biotic characteristics of the system. The aim of the current study was to compare its mesozooplankton composition during relatively dry and...
  35. High flow variability and storm events shape the ecology of the Mbhashe Estuary, South Africa

    High flow variability and storm events shape the ecology of the Mbhashe Estuary, South Africa

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NC James --- South African Institute for Aquatic Biodiversity, South Africa JB Adams --- Institute for Coastal and Marine Research, South Africa AD Connell --- South African Institute for Aquatic Biodiversity, South Africa SJ Lamberth --- South African Institute for Aquatic Biodiversity, South Africa CF MacKay --- Oceanographic Research Institute, South Africa GC Snow --- Institute for Coastal and Marine Research, South Africa L van Niekerk --- Institute for Coastal and Marine Research, South Africa AK Whitfield --- South African Institute for Aquatic Biodiversity, South Africa
    The possible impacts of extreme events on the ecology of selected aquatic biota within the Mbhashe Estuary were investigated during a four year (2010–2013) spring sampling programme. During periods of low to average flow conditions the estuary is shallow, turbid...
  36. A comparison of aquatic macroinvertebrate and large branchiopod community composition between temporary pans of a conservation area and surrounding communal area in South Africa

    A comparison of aquatic macroinvertebrate and large branchiopod community composition between temporary pans of a conservation area and surrounding communal area in South Africa

    Item type: Journal Article • Journal: African Zoology • Authors: T Dube --- Animal Ecology, Global Change and Sustainable Development, Belgium L de Necker --- Water Research Group, School for Biological Sciences, South Africa V Wepener --- Water Research Group, School for Biological Sciences, South Africa NJ Smit --- Water Research Group, School for Biological Sciences, South Africa T Pinceel --- Animal Ecology, Global Change and Sustainable Development, Belgium GN Mwaijengo --- Animal Ecology, Global Change and Sustainable Development, Belgium P Lemmens --- Laboratory of Aquatic Ecology, Evolution and Conservation, Belgium L Brendonck --- Animal Ecology, Global Change and Sustainable Development, Belgium
    Although temporary wetlands are often biodiversity hotspots that deliver multiple ecosystem services, they are also threatened by human exploitation. We conducted a comparative field study to investigate the impact of reserve protection on the diversity and community structure of aquatic...
  37. Using stable δ<sup>13</sup>C and δ<sup>15</sup>N isotopes to assess foodweb structures in an African subtropical temporary pool

    Using stable δ13C and δ15N isotopes to assess foodweb structures in an African subtropical temporary pool

    Item type: Journal Article • Journal: African Zoology • Authors: L de Necker --- Water Research Group, Unit for Environmental Sciences and Management, South Africa A Manfrin --- Environmental Campus Birkenfeld, Germany Y Ikenaka --- Water Research Group, Unit for Environmental Sciences and Management, South Africa M Ishizuka --- Laboratory of Toxicology, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Japan L Brendonck --- Water Research Group, Unit for Environmental Sciences and Management, South Africa JHJ van Vuren --- Water Research Group, Unit for Environmental Sciences and Management, South Africa B Sures --- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), Germany V Wepener --- Water Research Group, Unit for Environmental Sciences and Management, South Africa NJ Smit --- Water Research Group, Unit for Environmental Sciences and Management, South Africa
    Southern Africa has one of the highest densities of temporary pools and some of the most understudied temporary wetlands in the world. Additionally, the eastern African annual killifishes (Nothobranchius spp.) are rare in southern Africa and found exclusively in temporary...
  38. Spatial variability of aquatic macroinvertebrate assemblages in the Okavango Delta, Botswana: considerations for developing a rapid bioassessment tool

    Spatial variability of aquatic macroinvertebrate assemblages in the Okavango Delta, Botswana: considerations for developing a rapid bioassessment tool

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: H Dallas --- , South Africa B Mosepele --- , Botswana
    Spatial variability in macroinvertebrate assemblages of the Okavango Delta, Botswana, was examined to evaluate differences in assemblages at a regional and habitat scale. Sampling was undertaken six times during a one-year cycle from 2005 to 2006, with 228 macroinvertebrates samples...
  39. Salt marsh erosion in a microtidal estuary

    Salt marsh erosion in a microtidal estuary

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Riddin --- , South Africa JB Adams --- , South Africa
    Salt marshes protect estuary banks from erosion by acting as buffers between marine and terrestrial environments. Residents living near the Breede River estuary, Western Cape Province, South Africa, raised concerns about ongoing erosion evident at Groenpunt, the main salt marsh...
  40. Colonial versus solitary breeding: nesting patterns of Brown-throated Martins <em>Riparia paludicola</em> in Morocco

    Colonial versus solitary breeding: nesting patterns of Brown-throated Martins Riparia paludicola in Morocco

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Peter W Greig-Smith --- , United Kingdom
    This study explored reasons for variable nesting habits in a hole-nesting bird species that sometimes breeds colonially and sometimes alone. Nesting was surveyed over ten years in natural sand cliffs and similar features created by human activity along a river...
  41. Vegetation classification for the management of large mammalian herbivores: a case study at Mushingashi Conservancy, Central Province, Zambia

    Vegetation classification for the management of large mammalian herbivores: a case study at Mushingashi Conservancy, Central Province, Zambia

    Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Bruce W Clegg --- , Zimbabwe Timothy G O’Connor --- , South Africa Alan D Manson --- , South Africa
    The vegetation of Mushingashi Conservancy in central Zambia was classified and mapped to provide a template for wildlife management. Putative vegetation types were delineated using Landsat 8 imagery, then sampled with 73 plots for vegetation composition and structure, and topo-edaphic...
  42. Using riparian plant species to locate the 1:2-year floodline on single channel rivers

    Using riparian plant species to locate the 1:2-year floodline on single channel rivers

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MK Reinecke --- , South Africa CA Brown --- , South Africa KJ Esler --- , South Africa JM King --- , South Africa
    Riparian zones can be characterised botanically into two main areas, a wet bank and a dry bank. These areas have been linked to the duration of inundation by river flow, the boundary between the two being the 1:2 year floodline...
  43. The Elephant Marsh, Malawi – Part 2: two-dimensional hydrodynamic modelling in support of an eco-social assessment

    The Elephant Marsh, Malawi – Part 2: two-dimensional hydrodynamic modelling in support of an eco-social assessment

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AL Birkhead --- , South Africa MK Reinecke --- , South Africa CA Brown --- , South Africa WO Mgoola --- , Malawi JK Nyirenda --- , Malawi
    The Elephant Marsh lies on the floodplain of the lower Shire River, in southern Malawi. It is both a cultivated, seasonal floodplain and a wetland, characterised by a complex mosaic of meandering channels, marshland and shallow lakes. In 2016, the...
  44. New waterbird breeding records in Western Province, Zambia

    New waterbird breeding records in Western Province, Zambia

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jonah Gula --- University of KwaZulu-Natal, South Africa Amukena Mungole --- , Zambia Kirsty J Kyle --- University of KwaZulu-Natal, South Africa Matthew J Burnett --- University of KwaZulu-Natal, South Africa Moses Chibesa --- University of KwaZulu-Natal, South Africa Colleen T Downs --- University of KwaZulu-Natal, South Africa
    Knowledge of where species breed is important for understanding population trends, range shifts and conservation threats. During fieldwork in 2019–2023 in Western Province, Zambia, we recorded evidence of breeding of 21 waterbird species. According to known literature, these are considered...