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1. 

   THE FOOD OF BARBUS MATTOZI GUIMARAES. 1884, (PISCES: CYPRINIDAE) IN A ZIMBABWE IMPOUNDMENT

   Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: B.G. Donnelly --- , Zimbabwe

   The food from the gut contents of 853 Barbus mattozi of various sizes were examined and analysed. The results showed a dietary transition from planktonivorous and omnivorous to piscivorous with increasing size of fish. At sizes larger than 230 nm...

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2. 

   Seasonal population dynamics and energy consumption by waterbirds in a small temperate estuary

   Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jeffrey W Hean --- Department of Zoology and Entomology, South Africa Adrian JFK Craig --- Department of Zoology and Entomology, South Africa Nicole B Richoux --- Department of Zoology and Entomology, South Africa

   Simple measures of population dynamics and energy consumption can provide baseline information on the role of consumers in food webs, particularly for cryptic or highly-mobile species of waterbirds. We provide estimates of the seasonal population dynamics and energy consumption of...

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