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Dietary map of Nile tilapia using stable isotopes in three tropical lakes, Ethiopia [Ecology of Freshwater Fish]

Keywords : food web, mixing models, stable isotopes, tilapia diet, tropical lakes

par Frédéric Magné - publié le

Comprehensive analysis of food webs requires identifying dietary sources that support the production of all major organisms within the food web/food chain. Here, we use stable isotope ratios (δ13C, δ34S and δ15N) to assess the relative contribution of different basal carbon sources to the diet of Nile tilapia (Oreochromis niloticus L.) in three tropical lakes Hawassa (also Awasa in literature), Ziway and Koka (Ethiopia).(...)

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