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The interaction of environmental conditions and species traits as drivers of species extinctions and community homogenisation

Objetivo

Climate and habitat change are accelerating the loss of biodiversity at unprecedented rates. To prevent this loss it is critical
to understand species extinction patterns globally. Several studies have linked species extinctions with their intrinsic lifehistory and ecological traits. However, the predictive power of the models is weak generating great uncertainty for applied
conservation strategies on the ground. An important factor that is often forgotten is that species extinctions are the
culmination of a sequence of local population declines or extirpations, each of which may present distinct trait-environment
dynamics. There is still little knowledge on how factors related to species traits and those related to the environmental
conditions occurring at the population level interact to drive species declines. Neither is well known how these processes
scale up to determine community homogenisation. EXTINCT will use citizen-based data of ca. 175 butterfly species
collected over >18 years along three countries (UK, South Finland and NE Spain) to test how the species traits and the
environmental conditions interact in driving population declines and extirpations, and the consequent community
homogenisation. Specifically, EXTINCT will use butterfly intrinsic traits found to be key in the species ecology and
representative of wider taxa, and it will test how they interact with the environmental conditions in terms of climate (aridity) and landscape heterogeneity (topography and landcover heterogeneity). EXTINCT covers six out of the ten
bioclimatic regions and three main biomes along Europe, ensuring the generalisations of the findings. It will use modern
Bayesian Hierarchical models to correct the ecological inferences from the error inherent to data collected by volunteers.
With an applied perspective, it will also inform on the level of local landscape heterogeneity (and thus, management) required to preserve the species, which comprise the local community.

Régimen de financiación

MSCA-IF-EF-ST - Standard EF
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Coordinador

THE UNIVERSITY OF READING
Aportación neta de la UEn
€ 183 454,80
Dirección
Whiteknights campus whiteknights house
RG6 6AH Reading
Reino Unido

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Región
South East (England) Berkshire, Buckinghamshire and Oxfordshire Berkshire
Tipo de actividad
Higher or Secondary Education Establishments
Enlaces
Otras fuentes de financiación
€ 0,00