Role and consequences of fish diversity ín the functioning of African freshwater ecosystems: a review
作者： Christian Lévêque
DOI: 10.1051/ALR:1995005
关键词:
摘要: The need for a better understanding of the role of biodiversity in the functioning of aquatic ecosystems has been raised recently by several authors. If the question is not entirely new, its formulation is. It is therefore the opportunity to re-examine the pool of data already available in order to discuss some results that may be relevant for that purpose, while some major ecological questions have been identified. The top-down view argues that the effects of fish predation cascade down the trophic chain and are responsible for controlling the state …
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