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Changing densities of generalist species underlie apparent homogenization of UK bird communities

Martin J. P. Sullivan, Auteur ; Stuart E. Newson, Auteur ; James W. Pearce-Higgins, Auteur

Dans Ibis (158(3) July 2016)

Generalist species are becoming increasingly dominant in European bird communities. This has been taken as evidence of biotic homogenization, whereby generalist ‘winners’ systematically replace specialist ‘losers’. We test this pattern by relati[...]

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Article

Assessing the impacts of the non-native Black-headed Weaver on native Acrocephalus warblers

Martin J. P. Sullivan, Auteur ; James Grundy, Auteur ; Aldina M. A. Franco, Auteur

Dans Ibis (156(1) JAN 2014)

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Testing multiple pathways for impacts of the non-native Black-headed Weaver Ploceus melanocephalus on native birds in Iberia in the early phase of invasion

James P. B. Grundy, Auteur ; Aldina M. A. Franco, Auteur ; Martin J. P. Sullivan, Auteur

Dans Ibis (156(2) APR 2014)

Not all non-native species have strong negative impacts on native species. It is desirable to assess whether a non-native species will have a negative impact at an early stage in the invasion process, when management options such as eradication [...]

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Article

Using habitat-specific population trends to evaluate the consistency of the effect of species traits on bird population change

Martin J. P. Sullivan, Auteur ; Stuart E. Newson, Auteur ; James W. Pearce-Higgins, Auteur

Dans Biological Conservation (192 DEC 2015)

Many species are undergoing rapid population declines, while other species have increased. Previous work has related population change to species traits to elucidate the drivers of population change. However, this assumes that these drivers oper[...]

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