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Plant material in the diet of pumpkinseed Lepomis gibbosus and the cichlid Australoheros facetus in allopatric (Degebe and Vascão) and sympatric (Ardila) sites in the Lower Guadiana Basin throughout the dry-season. Upper-panels frequency of occurrence of plant material in the diet in the early (a) and late (b) dry-season; lower panels proportional area (mean ± SD) of plant material in the diet in the early (c) and late (d) dry-season. The values above each column are the number of individuals with the non-empty stomachs analysed (n, in italics).
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