Articles in press
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We investigated the strength of trophic cascades through bird exclusion.
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Trophic cascades are three times stronger in forest interior than modified habitats.
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Leaf damage, however, does not change with habitat modification.
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Functional redundancy of birds may offset loss in their ecological function.
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Riparian deforestation may strongly affect stream functioning, with consequences for biodiversity and ecosystem services.
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We evaluated the effects of riparian deforestation on 1. measures of community structure using aquatic benthic invertebrates, and 2. an aspect of ecosystem functioning, aquatic leaf processing.
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Both structural and functional measures changed with riparian deforestation: invertebrate diversity decreased and metrics changed as expected of a negative impact, and leaf processing decreased.
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Thus both types of bioindicators were useful for monitoring changes and relating them to loss of biodiversity and ecosystem function.
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As forest habitat loss progresses, functional overdispersion increases among related species.
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The loss of forest habitat causes the local extinction of functionally similar bird species.
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Removing functionally similar species leads to a reduction in functional redundancy.
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Competition is more important than neutral processes in small forest habitat.
