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The role of environmental filtering in the functional structure of fish communities in tropical wetlands [Ecology of Freshwater Fish]

Keywords : assembly rules, community ecology, functional dispersion, functional diversity, null model

par Frédéric Magné - publié le

Understanding the mechanisms that structure communities has been a major challenge in ecological theory. In wetlands with a clear seasonal hydroperiod (wet and dry seasons), such as Sian Ka’an Biosphere Reserve (SKBR), Mexico, fish communities experience successive habitat contraction/expansion, with a high mortality rate during the dry season. In this study, we tested the role of environmental filtering in structuring fish communities along an environmental gradient in permanent pools, during three consecutive stages of the dry season.(...)

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