Article (Scientific journals)
Differential Performance between Two Timber Species in Forest Logging Gaps and in Plantations in Central Africa
Fayolle, Adeline; Ouedraogo, Dakis-Yaoba; Ligot, Gauthier et al.
2015In Forests, 6 (2), p. 380-394
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Keywords :
light requirement / shade tolerance; Milicia excelsa; Pericopsis elata; forest restoration; performance trade-off; tropical silviculture
Abstract :
[en] To develop silvicultural guidelines for high-value timber species of Central African moist forests, we assessed the performance of the pioneer Milicia excelsa (iroko, Moraceae), and of the non-pioneer light demander Pericopsis elata (assamela, Fabaceae) in logging gaps and in plantations in highly degraded areas in south-eastern Cameroon. The survival and size of each seedling was regularly monitored in the silvicultural experiments. Differences in performance and allometry were tested between species in logging gaps and in plantations. The two species performance in logging gaps was significantly different from plantations and concurred with the expectations of the performance trade-off hypothesis but not with the expectations of species light requirements. The pioneer M. excelsa survived significantly better in logging gaps while the non-pioneer P. elata grew significantly faster in plantations. The high mortality and slow growth of M. excelsa in plantations is surprising for a pioneer species but could be explained by herbivory (attacks from a gall-making psyllid). Identifying high-value native timber species (i) with good performance in plantations such as P. elata is of importance to restore degraded areas; and (ii) with good performance in logging gaps such as M. excelsa is of importance to maintain timber resources and biodiversity in production forests.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Fayolle, Adeline  ;  Gembloux Agro-Bio Tech (Université de Liège) > BIOSE > Gestion des Ressources Forestières
Ouedraogo, Dakis-Yaoba ;  Gembloux Agro-Bio Tech (Université de Liège) > BIOSE > Gestion des Ressources Forestières
Ligot, Gauthier ;  Gembloux Agro-Bio Tech (Université de Liège) > BIOSE > Gestion des Ressources Forestières
Daïnou, Kasso  ;  Nature + asbl
Bourland, Nils;  Royal Museum for Central Africa > Wood Biology
Tekam, Patrice;  Pallisco SARL
Doucet, Jean-Louis ;  Gembloux Agro-Bio Tech (Université de Liège) > BIOSE > Gestion des Ressources Forestières
Language :
English
Title :
Differential Performance between Two Timber Species in Forest Logging Gaps and in Plantations in Central Africa
Publication date :
02 February 2015
Journal title :
Forests
ISSN :
1999-4907
Publisher :
MDPI AG, Basel, Switzerland
Volume :
6
Issue :
2
Pages :
380-394
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 April 2015

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