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Forests 2014, 5(12), 3031-3047; doi:10.3390/f5123031

Enrichment of Logging Gaps with a High Conservation Value Species (Pericopsis elata) in a Central African Moist Forest

1
BIOSE, Gembloux Agro-Bio Tech, Université de Liège, Gestion des Ressources Forestières, B-5030 Gembloux, Belgium
2
Nature + asbl, Rue Bourgmestre Gilisquet 57, B-1457 Walhain-St-Paul, Belgium
3
Pallisco SARL, Avenue des Cocotiers 478, BP 394 Douala, Cameroon
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 4 November 2014 / Revised: 27 November 2014 / Accepted: 1 December 2014 / Published: 5 December 2014
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Abstract

In central Africa, most of the timber species require high light at the seedling stage for survival and growth. Forest managers face a regeneration shortage of these light-demanding timber species. To achieve long-term sustainability, there is a need for enrichment methods combining low cost and high species performance. The aim of this study was to assess the performance of Pericopsis elata seedlings in enriched logging gaps in Cameroon. Over five years; the survival and size of each seedling was monitored in 27 logging gaps that were either left without maintenance or cleared. Gaps were relatively small with an average total area of 155 m2. We found that planted seedlings of P. elata performed well in logging gaps. Even without any maintenance 61% of the planted seedlings survived after five years with an average annual diameter increment of 0.28 cm. P. elata appeared to be a good candidate species for enrichment in logging gaps. We demonstrated that the seedlings of P. elata tolerated a wide range of soil conditions but that their performance was strongly influenced by light availability (gap clearance), suggesting potentially improved performance of P. elata in high light environments such as in plantation or larger gaps. View Full-Text
Keywords: assamela; plantation; silviculture; canopy gaps; seedling growth; Cameroon; light; regeneration assamela; plantation; silviculture; canopy gaps; seedling growth; Cameroon; light; regeneration
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Ouédraogo, D.-Y.; Fayolle, A.; Daïnou, K.; Demaret, C.; Bourland, N.; Lagoute, P.; Doucet, J.-L. Enrichment of Logging Gaps with a High Conservation Value Species (Pericopsis elata) in a Central African Moist Forest. Forests 2014, 5, 3031-3047.

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