Reference : Modelling past and present distributions of tropical African biomes and species using...
Scientific congresses and symposiums : Poster
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
http://hdl.handle.net/2268/227208
Modelling past and present distributions of tropical African biomes and species using a dynamic vegetation model.
English
Dury, Marie mailto [Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Modélisation du climat et des cycles biogéochimiques >]
Doutreloup, Sébastien mailto [Université de Liège - ULiège > Département de géographie > Climatologie et Topoclimatologie >]
Hardy, Olivier []
Fayolle, Adeline mailto [Université de Liège - ULiège > Ingénierie des biosystèmes (Biose) > Gestion des ressources forestières et des milieux naturels >]
Fettweis, Xavier mailto [Université de Liège - ULiège > Département de géographie > Climatologie et Topoclimatologie >]
Hambuckers, Alain mailto [Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Biologie du comportement - Ethologie et psychologie animale >]
Gallee, Hubert [Université de Liège - ULiège > Département de géographie > Climatologie et Topoclimatologie >]
François, Louis mailto [Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Modélisation du climat et des cycles biogéochimiques >]
8-Feb-2017
No
No
International
European Conference of Tropical Ecology "(re)connecting tropical biodiversity in space and time"
du 6 février au 10 février 2017
Society for Tropical Ecology (gtö)
Brussels
Belgium
[en] Tropical Africa ; Plant species distribution ; Modelling ; Biomes ; Last Glacial Maximum ; Holocene
[en] In the framework of the AFRIFORD project (Genetic and paleoecological signatures of African rainforest dynamics: pre-adapted to change?, http://www.ulb.ac.be/facs/sciences/afriford/), we used the CARAIB dynamic vegetation model to simulate past and present distributions of tropical African vegetation at the biome and species levels to better project and understand future dynamics. We studied individual species (e.g., Afzelia africana, Pericopsis elata, etc) for which we determined climatic requirements and gathered specific traits.
To perform palaeovegetation reconstructions, we used outputs of snapshot climate simulations (e.g., CNRM-CM5, FGOALS-g2 and MRI-CGCM5 global climatic models) from the PaleoModelling Intercomparison Project (PMIP3, https://pmip3.lsce.ipsl.fr/) for the mid-Holocene (6 ka) and the Last Glacial Maximum (LGM, 21 ka). These global climatic outputs were downscaled at a 0.45° spatial resolution over Equatorial Africa using the MAR regional climate model (RCM). For current conditions, the RCM was nested in different historical climate datasets.
We compared modelled species distributions with species occurrences from different databases for present and with palaeorecords for past periods. MAR regional climate simulations notably allow CARAIB to reproduce the Dahomey Gap separating the Upper and Lower Guinean forests in West Africa in present biome distribution. The vegetation model also simulates LGM rainforest distribution in agreement with hypothetical glacial rainforest refuge areas inferred from palaeorecords.
Belgian Science Policy (Belspo)
AFRIFORD (Genetic and paleoecological signature of African rainforest dynamics: pre-adapted to change?)
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/227208

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