Testing whether reducing brown trout biomass in peatland lakes increases macro-invertebrate biomass and invertivorous waterbird occurrence

Waterbirds and fish sometimes compete for macro-invertebrate prey. In Scotland, the invertivorous waterbird, the common scoter Melanitta nigra , breeds at oligotrophic lakes with few brown trout Salmo trutta. This study tested whether reducing trout biomass favours this and other invertivorous water...

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