Stephan Behl, Vera de Schryver, Sebastian Diehl and Herwig Stibor Trophic transfer of biodiversity effects: functional equivalence of prey diversity and enrichment? Ecology and Evolution 2
Producer diversity and the supply of limiting resources are two main factors that can independently influence primary production. In an aquatic food-web experiment, we show that both increasing algal diversity and increasing light intensity have equally positive effects on consumer (Daphnia magna) growth and demography. We conclude that producer diversity can indeed have similar positive effects on secondary production as enrichment with a limiting resource.
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