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Measuring temporal turnover in ecological communities [Methods in Ecology and Evolution]

par Frédéric Magné - publié le

1 Range migrations in response to climate change, invasive species and the emergence of novel ecosystems highlight the importance of temporal turnover in community composition as a fundamental part of global change in the Anthropocene. Temporal turnover is usually quantified using a variety of metrics initially developed to capture spatial change. However, temporal turnover is the consequence of unidirectional community dynamics resulting from processes such as population growth, colonisation and local extinction.
2 Here, we develop a framework based on community dynamics and propose a new temporal turnover measure.
3 A simulation study and an analysis of an estuarine fish community both clearly demonstrate that our proposed turnover measure offers additional insights relative to spatial context-based metrics.(...)

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