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| Titel |
Identifying climatic drivers of tropical forest dynamics |
| VerfasserIn |
M. Aubry-Kientz, V. Rossi, F. Wagner, B. Hérault |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1726-4170
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| Digitales Dokument |
URL |
| Erschienen |
In: Biogeosciences ; 12, no. 19 ; Nr. 12, no. 19 (2015-10-01), S.5583-5596 |
| Datensatznummer |
250118108
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| Publikation (Nr.) |
 copernicus.org/bg-12-5583-2015.pdf |
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| Zusammenfassung |
| In the context of climate change, identifying and then
predicting the impacts of climatic drivers on tropical forest dynamics is
becoming a matter of urgency. To look at these climate
impacts, we used a coupled model of tropical tree growth and mortality,
calibrated with forest dynamic data from the 20-year study site of Paracou,
French Guiana, in order to introduce and test a set of climatic variables.
Three major climatic drivers were identified through the variable selection
procedure: drought, water saturation and temperature. Drought decreased
annual growth and mortality rates, high precipitation increased mortality
rates and high temperature decreased growth. Interactions between key
functional traits, stature and climatic variables were investigated, showing
best resistance to drought for trees with high wood density and for trees
with small current diameters. Our results highlighted strong long-term
impacts of climate variables on tropical forest dynamics, suggesting
potential deep impacts of climate changes during the next century. |
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