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Spawning migrations of Lake Tana Labeobarbus spp. (Teleostei: Cyprinidae) in the Ribb River, Ethiopia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: W Anteneh --- Department of Biology, College of Science, Ethiopia A Getahun --- Fisheries and Aquatic Science Stream, Department of Zoological Sciences, Ethiopia E Dejen --- FAO Subregional Office for Eastern Africa, EthiopiaSpawning migration of the endemic Labeobarbus species of Lake Tana upstream and downstream of a proposed site for a large dam on the Ribb River, Ethiopia, were investigated to assess the dam's potential impact on these fish. Fish were collected... -
Adding ‘Flock’ to ‘Fight and Flight’: A Honeycomb of Resilience Where Supply of Relationships Meets Demand for Support
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Liesel Ebersöhn --- Unit for Education Research in AIDS, Faculty of Education, South AfricaIn this article I explain how solidarity can support positive adjustment, collective in nature, where people face chronic, cumulative stress and largely lack resources. I propose that when individuals use relationships as a way to access and mobilise resources, an... -
Flocking dynamics and roosting behaviour of Meyer’s parrot (Poicephalus meyeri) in the Okavango Delta, Botswana
Item type: Journal Article • Journal: African Zoology • Authors: Rutledge S. Boyes --- University of KwaZulu-Natal, South Africa Michael R. Perrin --- University of KwaZulu-Natal, South AfricaFor most of the year, Meyer’s parrots in the Okavango Delta do not form large feeding flocks, and groups larger than two or three are probably the result of opportunistic aggregation at favoured food items after dispersion from communal roosts... -
Examining the evidence for ecologically sustainable ostrich breeding practices on natural veld in the Little Karoo, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Anita Wheeler --- Department of Botany, South Africa Andrew T Knight --- Department of Life Sciences, UK Susanne Vetter --- Department of Botany, South AfricaLand degradation in the Little Karoo is extensive. Overstocking of breeding ostriches on natural veld has been among the main causes of this. The National Department of Agriculture has set a general stocking rate of 60 ha LSU−1 as a... -
Population size, habitat use and foraging habits of wild Helmeted Guineafowl Numida meleagris in southwestern Ethiopia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Yihenew Aynalem --- Addis Ababa University, Ethiopia Afework Bekele --- Addis Ababa University, Ethiopia Bezawork Afework Bogale --- Addis Ababa University, EthiopiaThe Helmeted Guineafowl Numida meleagris is a widespread and abundant resident gamebird species in sub-Saharan Africa. It is hunted throughout the region, including in Ethiopia. However, knowledge of the species’ ecology and behaviour in many parts of the country is... -
Population trends of the Cape Parrot Poicephalus robustus in the Amatholes, Eastern Cape: trialling ground-based flock photography for demographic and health assessment
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Clare J Padfield --- , South Africa Kate F Carstens --- , South Africa Johann C Carstens --- , South Africa Francis R Brooke --- , South Africa Kirsten Wimberger --- , South AfricaGlobally, 60% of species in the order Psittaciformes are experiencing population declines. Understanding demographic and health trends in populations is vital for the prioritisation of limited conservation resources. The Cape Parrot Poicephalus robustus is a South African endemic forest species...