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Investigating habitat-specific plant species pools under climate change

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons62512

Pompe,  S.
Emeritus Group, Prof. E.-D. Schulze, Max Planck Institute for Biogeochemistry, Max Planck Society;

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Zitation

Pompe, S., Hanspach, J., Badeck, F. W., Klotz, S., Bruelheide, H., & Kuhn, I. (2010). Investigating habitat-specific plant species pools under climate change. Basic and Applied Ecology, 11(7), 603-611. doi:10.1016/j.baae.2010.08.007.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-DA73-E
Zusammenfassung
We used 474 European plant species to analyse the impacts of climate and land-use change on the composition of habitat-specific species pools in Germany. We quantified changes in the probability of occurrence of species in a grid cell using an ensemble of three statistical modelling techniques, namely generalized linear models (GLMs), generalized additive models (GAMs) and random forests (RFs), under three scenarios (average change +2.2, +2.9, and +3.8 degrees C up to 2080). We evaluated the impact on single species occurrence and resulting species pools considering their affiliation to ten major terrestrial habitat types in both current (1961-90) and future projections (2051-80). Current habitat-specific species pools declined in size across all scenarios, e.g. by 24 +/- 13% (mean +/- s.d.) under the most severe scenario. We show that species responses may strongly vary among scenarios and different habitats with a minimum average projected range loss of 14% (+/- 18%; species typical to urban habitats under moderate climate change assumptions, average temperature increase +2.2 C) to a maximum average projected range loss of 56% (+/- 29%; species assemblages from mountain communities below the alpine zone at +3.8 degrees C). A separate analysis of species composition in habitat-specific species pools revealed a significant interaction between the scenario and the major habitat classes. We found a higher risk for habitat types with high conservation value characterised by a significant association between number of nationally endangered species and projected range loss in major habitats. Thus, habitat-specific management and application of measures favouring dispersal are required for mitigation of climate change impacts.