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A model for predicting livemass gain from stocking rate and annual rainfall
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: D.I. Bransby --- Department of Grassland Science,The relationship between livemass gain and stocking rate was established for young beef animals grazing kikuyu and Coastcross II pastures in each of five grazing seasons. The annual rainfall within these seasons ranged from 506 mm to 990 mm. Relationships... -
Productivity of one‐ and two‐year‐old steers grazing Coastcross II (Cynodon hybrid) at four stocking rates
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: D.I. Bransby --- Department of Agronomy and Soils, United States of AmericaCoastcross II pastures were continuously grazed with 1‐ or 2‐year‐old steers at stocking rates between 5.4 and 13.4 animals ha−1 in 1985–86 and 1986–87 at the Ukulinga research farm near Pietermaritzburg. In the first season there was no difference between... -
Fishery characteristics and abundance estimates of the mangrove crab Scylla serrata in southern Tanzania and northern Moçambique
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: D. K. A. Barnes N. K. Dulvy S. H. Priestley W. R. T. Darwall V. Choisel M. WhittingtonThe mud crab Scylla serrata is lightly exploited along the East African seaboard. This study reports on fishing practices and gives preliminary estimates of abundance and size structures of the mud crab populations in Utende, Chole Island and Juani Island,... -
The distribution and habitat in the Knysna Estuary of the endemic South African mudsnail Hydrobia knysnaensis and the influence of intraspecific competition and ambient salinity on its abundance
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Rsk BarnesThe typical habitat of the rare, endemic South African mudsnail Hydrobia knysnaensis is the leaves of upper-shore Zostera capensis within high-salinity salt-marsh pools and channels. In the Knysna estuarine system, it is the numerically dominant member of a guild of... -
Interactions between Zostera capensis, Callianassa kraussi and Upogebia africana: deductions from field surveys in Langebaan Lagoon, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Siebert GM BranchCallianassid sandprawns and eelgrasses have been postulated to have mutually negative effects on each other. The relationship between Callianassa kraussi and Zostera capensis was investigated in Langebaan Lagoon on the west coast of South Africa by correlative field surveys. Seven... -
Interactions between Zostera capensis and Callianassa kraussi: influences on community composition of eelgrass beds and sandflats
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Siebert GM BranchEelgrass beds have been postulated to support different faunal communities from unvegetated sandflats, in part because of the stabilisation of sediments in eelgrass beds and their destabilisation in sandflats due to bioturbation. More specifically, eelgrass beds have been hypothesised to... -
The effect of bait collectors on stocks of Callichirus kraussi and Upogebia species in Langebaan Lagoon
Item type: Journal Article • Journal: African Zoology • Authors: Pierre Nel --- West Coast National Park, South Africa George M. Branch --- Zoology Department, South AfricaThe effects of collecting prawns (Callichirus and Upogebia spp.) in Langebaan Lagoon as bait were assessed in 1999–2001 and in 2012–2013. Langebaan Lagoon (part of West Coast National Park and a Marine Protected Area) is divided into three zones. One... -
Unconsolidated sediment distribution patterns in the KwaZulu-Natal Bight, South Africa: the role of wave ravinement in separating relict versus active sediment populations
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AN Green --- Geological Sciences, School of Agricultural, Earth and Environmental Sciences, South Africa CF MacKay --- Oceanographic Research Institute, South AfricaThis paper examines the distribution of unconsolidated sediment in the KwaZulu-Natal Bight located along the east coast of South Africa. Results show that there is a general shelf-wide sediment distribution of coarser grain sizes between depths of 60 and 100 m,... -
Bait collecting by subsistence and recreational fishers in Knysna Estuary may impact management and conservation
Item type: Journal Article • Journal: African Zoology • Authors: C Simon --- Department of Botany and Zoology, South Africa AN du Toit --- Department of Botany and Zoology, South Africa MKS Smith --- Rondevlei Scientific Services, South Africa L Claassens --- Knysna Basin Project, South Africa F Smith --- Knysna Basin Project, South Africa P Smith --- Knysna Basin Project, South AfricaTo facilitate development of tailored management strategies for bait species within Knysna Estuary (South Africa), demand for bait, harvesting activity and perceptions around conservation among recreational and subsistence bait fishers were investigated. In 2015 and 2016, bait collectors were interviewed... -
Macrobenthic community structure of the Mhlathuze Estuary, a permanently open estuarine embayment in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JI Izegaegbe --- Department of Zoology, South Africa L Vivier --- Department of Zoology, South Africa HMM Mzimela --- Department of Zoology, South AfricaThe Mhlathuze Estuary, an estuarine embayment in northern Zululand, is considered an estuary of national conservation importance. No historical data on the benthic macrofauna are available for the past 20 years, creating a significant gap in our understanding of the... -
Bioaccumulation of trace metals in the ocypodid burrowing crab, Paratylodiplax blephariskios, in Richards Bay Harbour, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JI Izegaegbe --- , South Africa L Vivier --- , South Africa HMM Mzimela --- , South AfricaBioaccumulation of metals in an endemic ocypodid burrowing mud crab, Paratylodiplax blephariskios, was investigated in contaminated mudflats of the subtropical Richards Bay Harbour (RBH), South Africa. Following sampling of water, sediment and mud crabs from three sites (Bhizolo, Mzingazi and... -
The Portrayal of China in Ethiopia’s Creative Works
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Balew Demissie Kebede --- Addis Ababa University,This article examines the portrayal of China in Ethiopian artistic works through the lens of Orientalism, postcolonialism, and representation theory. It focuses on six artists who use different narrative modes to illustrate the relationship between China and Ethiopia. Through textual...