Geomorphic control of rain-forest floristic composition in French Guiana: more than a soil filtering effect?
The influence of geomorphological features on rain-forest diversity has been reported in different Amazonian regions. Soil filtering is often assumed to underlie the observed geomorphic control on the floristic composition but other hypotheses related to biogeography or long-term forest dynamics are also possible. We tested relationships between geomorphology, soil properties and forest composition in French Guiana rain forest using a recent geomorphological map and a large dataset comprising 3132 0.2-ha plots and 421 soil cores. Soil properties were characterized by laboratory analyses and by field descriptions indicating drainage capacity and classification according to the World Reference Base (WRB). The influence of soils and geomorphology on beta-diversity was tested using variance partitioning and ANOVA-like tests. Our results confirm the hypothesis of a strong relationship between geomorphological landscapes and soil properties. Soil filtering significantly influenced the abundance of more than 40 species or groups of species. However geomorphic control of forest composition involves much more than the effects of the soil, which only explain a minor part of the broad-scale patterns of forest diversity related to geomorphological landscapes. These results reinforce the alternative hypotheses linking geomorphological landscapes to long-term forest change under the control of historical processes that shaped forest diversity.
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dig-cirad-fr-5789582024-01-28T23:11:24Z http://agritrop.cirad.fr/578958/ http://agritrop.cirad.fr/578958/ Geomorphic control of rain-forest floristic composition in French Guiana: more than a soil filtering effect? Guitet Stéphane, Freycon Vincent, Brunaux Olivier, Pélissier Raphaël, Sabatier Daniel, Couteron Pierre. 2016. Journal of Tropical Ecology, 32 (1) : 22-40.https://doi.org/10.1017/S0266467415000620 <https://doi.org/10.1017/S0266467415000620> Geomorphic control of rain-forest floristic composition in French Guiana: more than a soil filtering effect? Guitet, Stéphane Freycon, Vincent Brunaux, Olivier Pélissier, Raphaël Sabatier, Daniel Couteron, Pierre eng 2016 Journal of Tropical Ecology K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie P33 - Chimie et physique du sol F40 - Écologie végétale forêt tropicale humide composition botanique facteur édaphique géomorphologie dynamique des populations biogéographie propriété physicochimique du sol structure du sol http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3233 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_7196 Guyane française France http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 The influence of geomorphological features on rain-forest diversity has been reported in different Amazonian regions. Soil filtering is often assumed to underlie the observed geomorphic control on the floristic composition but other hypotheses related to biogeography or long-term forest dynamics are also possible. We tested relationships between geomorphology, soil properties and forest composition in French Guiana rain forest using a recent geomorphological map and a large dataset comprising 3132 0.2-ha plots and 421 soil cores. Soil properties were characterized by laboratory analyses and by field descriptions indicating drainage capacity and classification according to the World Reference Base (WRB). The influence of soils and geomorphology on beta-diversity was tested using variance partitioning and ANOVA-like tests. Our results confirm the hypothesis of a strong relationship between geomorphological landscapes and soil properties. Soil filtering significantly influenced the abundance of more than 40 species or groups of species. However geomorphic control of forest composition involves much more than the effects of the soil, which only explain a minor part of the broad-scale patterns of forest diversity related to geomorphological landscapes. These results reinforce the alternative hypotheses linking geomorphological landscapes to long-term forest change under the control of historical processes that shaped forest diversity. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/578958/1/Guitet%20et%20al.%202016%20Journal%20Tropical%20Ecology.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1017/S0266467415000620 10.1017/S0266467415000620 info:eu-repo/semantics/altIdentifier/doi/10.1017/S0266467415000620 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1017/S0266467415000620 |
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Francia |
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Europa del Oeste |
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Biblioteca del CIRAD Francia |
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eng |
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K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie P33 - Chimie et physique du sol F40 - Écologie végétale forêt tropicale humide composition botanique facteur édaphique géomorphologie dynamique des populations biogéographie propriété physicochimique du sol structure du sol http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3233 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_7196 http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie P33 - Chimie et physique du sol F40 - Écologie végétale forêt tropicale humide composition botanique facteur édaphique géomorphologie dynamique des populations biogéographie propriété physicochimique du sol structure du sol http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3233 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_7196 http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 |
spellingShingle |
K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie P33 - Chimie et physique du sol F40 - Écologie végétale forêt tropicale humide composition botanique facteur édaphique géomorphologie dynamique des populations biogéographie propriété physicochimique du sol structure du sol http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3233 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_7196 http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie P33 - Chimie et physique du sol F40 - Écologie végétale forêt tropicale humide composition botanique facteur édaphique géomorphologie dynamique des populations biogéographie propriété physicochimique du sol structure du sol http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3233 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_7196 http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 Guitet, Stéphane Freycon, Vincent Brunaux, Olivier Pélissier, Raphaël Sabatier, Daniel Couteron, Pierre Geomorphic control of rain-forest floristic composition in French Guiana: more than a soil filtering effect? |
description |
The influence of geomorphological features on rain-forest diversity has been reported in different Amazonian regions. Soil filtering is often assumed to underlie the observed geomorphic control on the floristic composition but other hypotheses related to biogeography or long-term forest dynamics are also possible. We tested relationships between geomorphology, soil properties and forest composition in French Guiana rain forest using a recent geomorphological map and a large dataset comprising 3132 0.2-ha plots and 421 soil cores. Soil properties were characterized by laboratory analyses and by field descriptions indicating drainage capacity and classification according to the World Reference Base (WRB). The influence of soils and geomorphology on beta-diversity was tested using variance partitioning and ANOVA-like tests. Our results confirm the hypothesis of a strong relationship between geomorphological landscapes and soil properties. Soil filtering significantly influenced the abundance of more than 40 species or groups of species. However geomorphic control of forest composition involves much more than the effects of the soil, which only explain a minor part of the broad-scale patterns of forest diversity related to geomorphological landscapes. These results reinforce the alternative hypotheses linking geomorphological landscapes to long-term forest change under the control of historical processes that shaped forest diversity. |
format |
article |
topic_facet |
K01 - Foresterie - Considérations générales F70 - Taxonomie végétale et phytogéographie P33 - Chimie et physique du sol F40 - Écologie végétale forêt tropicale humide composition botanique facteur édaphique géomorphologie dynamique des populations biogéographie propriété physicochimique du sol structure du sol http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_15945 http://aims.fao.org/aos/agrovoc/c_15617 http://aims.fao.org/aos/agrovoc/c_3233 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_7182 http://aims.fao.org/aos/agrovoc/c_7196 http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 |
author |
Guitet, Stéphane Freycon, Vincent Brunaux, Olivier Pélissier, Raphaël Sabatier, Daniel Couteron, Pierre |
author_facet |
Guitet, Stéphane Freycon, Vincent Brunaux, Olivier Pélissier, Raphaël Sabatier, Daniel Couteron, Pierre |
author_sort |
Guitet, Stéphane |
title |
Geomorphic control of rain-forest floristic composition in French Guiana: more than a soil filtering effect? |
title_short |
Geomorphic control of rain-forest floristic composition in French Guiana: more than a soil filtering effect? |
title_full |
Geomorphic control of rain-forest floristic composition in French Guiana: more than a soil filtering effect? |
title_fullStr |
Geomorphic control of rain-forest floristic composition in French Guiana: more than a soil filtering effect? |
title_full_unstemmed |
Geomorphic control of rain-forest floristic composition in French Guiana: more than a soil filtering effect? |
title_sort |
geomorphic control of rain-forest floristic composition in french guiana: more than a soil filtering effect? |
url |
http://agritrop.cirad.fr/578958/ http://agritrop.cirad.fr/578958/1/Guitet%20et%20al.%202016%20Journal%20Tropical%20Ecology.pdf |
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