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    Differential Performance between Two Timber Species in Forest Logging Gaps and in Plantations in Central Africa

    Authors
    Fayolle, A.
    Ouédraogo, D.-Y.
    Ligot, G.
    Daïnou, K.
    Bourland, N.
    Tekam, P.
    Doucet, J.-L.
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    Discipline
    Agriculture, Forestry and Fisheries
    Subject
    Wood biology
    Audience
    Scientific
    Date
    2015
    Metadata
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    Description
    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.
    Citation
    Fayolle, A.; Ouédraogo, D.-Y.; Ligot, G.; Daïnou, K.; Bourland, N.; Tekam, P.; Doucet, J.-L. (2015). Differential Performance between Two Timber Species in Forest Logging Gaps and in Plantations in Central Africa. , Forests, Vol. 6; The 24th IUFRO World Congress: Session 64 What Future for Tropical Silviculture?, 380-394, DOI: 10.3390/f6020380.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/2592
    doi: http://dx.doi.org/10.3390/f6020380
    url: http://www.mdpi.com/1999-4907/6/2/380
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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