Journal Title
Title of Journal: Reg Environ Change
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Abbravation: Regional Environmental Change
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Publisher
Springer Berlin Heidelberg
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Authors: P M van Bodegom J Verboom J P M Witte C C Vos R P Bartholomeus W Geertsema A Cormont M van der Veen R Aerts
Publish Date: 2013/07/23
Volume: 14, Issue: 3, Pages: 933-942
Abstract
Climate change impacts on individual species are various and range from shifts in phenology and functional properties to changes in productivity and dispersal The combination of impacts determines future biodiversity and species composition but is difficult to evaluate with a single method Instead a comparison of mutually independent approaches provides information and confidence in patterns observed beyond what may be achieved in individual approaches Here we carried out such comparison to assess which ecosystem types in the Netherlands appear most vulnerable to climate change impacts as arising from changes in hydrology nutrient conditions and dispersal limitations We thus combined metaanalyses of species range shifts with species distribution modelling and ecohydrological modelling with expert knowledge in two respective impact studies Both impact studies showed that nutrientpoor ecosystems and ecosystem types with fluctuating water tables—like hay meadows moist heathlands and moorlands—seem to be most at risk upon climate change A subsequent metaanalysis of species–environmental stress relations indicated that particularly endangered species are adversely affected by the combination of drought and oxygen stress caused by fluctuating moisture conditions This implies that adaptation measures should not only aim to optimise mean environmental conditions but should also buffer environmental extremes Major uncertainties in the assessment included the quantitative impacts of vegetationhydrology feedbacks vegetation adaptation and interactions between dispersal capacity and traits linked to environmental selection Once such quantifications become feasible adaptation measures may be tailormade and optimised to conserve vulnerable ecosystem typesThis study was carried out in the framework of Project A1 ‘Biodiversity in a changing environment predicting spatiotemporal dynamics of vegetation’ Project A2 ‘Climate change and habitat fragmentation impacts and adaptation strategies’ of the Dutch national research programme Climate Change and Spatial planning wwwklimaatvoorruimtenl and the joint research programme of the Dutch Water Utility sector
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