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Investigation of edge effect on wood density in recent tropical forest edges in Yangambi Man and Biosphere Reserve
de Haulleville, Thalès; Bogaert, Jan; Beeckman, Hans
2013International Symposium on Wood Structure in Plant Biology and Ecology (WSE)
 

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Keywords :
Edge effect; Wood density; Tropical forests
Abstract :
[en] Rapid development of lumbering activities in tropical forested areas has an important impact on carbon stocks and landscape configuration. Indeed, lumbering tend to fragment forest patches, extend edges length, and expose core areas to non-forested ecosystems. These exposed core areas then undergo new constraints that can lead to a shift in their ecological features, called the edge effect. We investigate the possible presence of an edge effect on wood density in Yangambi reserve. Wood density (along with diameter and height) is a key feature for biomass estimations in tropical forests. Thus, fluctuations of wood density in forest edges could lead to incorrect estimations of carbon stocks. Ten 1ha plots were installed in core and recent (5 to 10 years) forest¿s edges. Trees were measured and wood samples were collected for density analysis. We focused on 2 main research questions: 1) Does the edge effect induce the emergence of species with a higher or lower wood density in edge area? 2) Does wood density differ amongst individuals of the same specie in core and in edge area? While the data is still being explored as we write, preliminary results seem to indicate that there is no significant difference between the overall mean wood density in edge and core plots. Density differences amongst species are still under exploration. If this behaviour still holds, this would imply that the fragmentation of a forested landscape has no short-term effect on the overall forest wood density and thus, no effect on biomass estimations.
Disciplines :
Environmental sciences & ecology
Author, co-author :
de Haulleville, Thalès ;  Université de Liège - ULiège > Doct. sc. agro. & ingé. biol.
Bogaert, Jan  ;  Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage
Beeckman, Hans;  Musée royal de l'Afrique centrale > Zoologie > Biologie du bois et xylothèque
Language :
English
Title :
Investigation of edge effect on wood density in recent tropical forest edges in Yangambi Man and Biosphere Reserve
Publication date :
April 2013
Number of pages :
15
Event name :
International Symposium on Wood Structure in Plant Biology and Ecology (WSE)
Event organizer :
University of Naples Federico II
Second University of Naples
Event place :
Naples, Italy
Event date :
du 17 avril au 20 Avril 2013
Audience :
International
Name of the research project :
Congo Basin integrated monitoring for forest carbon mitigation and biodiversity (COBIMFO)
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
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since 07 July 2013

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