A Structure Analysis for Ecological Management of Moist Tropical Forests

Human interventions alter stand structure, species composition, and regeneration capacity of the forest. There is no enough information on how different management systems affect the forest structure. The main objective of this study was to analyze the differences on stand structure and species comp...

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Main Author: Adrien Djomo Njepang
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:International Journal of Forestry Research
Online Access:http://dx.doi.org/10.1155/2015/161645
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author Adrien Djomo Njepang
author_facet Adrien Djomo Njepang
author_sort Adrien Djomo Njepang
collection DOAJ
description Human interventions alter stand structure, species composition, and regeneration capacity of the forest. There is no enough information on how different management systems affect the forest structure. The main objective of this study was to analyze the differences on stand structure and species composition caused by different logging intensities. The study was conducted in a lowland evergreen moist forest of 22 000 ha in Cameroon. The forest was subdivided into three forest types with different human impacts: 2-Logged, 1-Logged, and Unlogged. The diameter corresponding to mean basal area of stems of 2-Logged (31.8 cm, N=369) was almost equal to that of Unlogged (30.1 cm, N=496). 1-Logged had a lower diameter of 27.7 cm, N=530. In the three forest types, the diameter distribution followed the inverse J-shaped curve frequently observed in natural forests. The stand basal area increased from 29.4 m2/ha in 2-Logged, to 32 m2/ha in 1-Logged, and to 35.3 m2/ha in Unlogged. These results indicated that logging affected natural regeneration in 2-Logged. Above 60 cm dbh, the logging effect was not visible. On 103 tree species found in the sample forest, only nine were classified as harvestable commercial species.
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spelling doaj-art-ca03b0955a634edd9bad4342391ec5be2025-02-03T06:12:40ZengWileyInternational Journal of Forestry Research1687-93681687-93762015-01-01201510.1155/2015/161645161645A Structure Analysis for Ecological Management of Moist Tropical ForestsAdrien Djomo Njepang0Department of Geography, Queen’s University, Kingston, ON, K7L 3N6, CanadaHuman interventions alter stand structure, species composition, and regeneration capacity of the forest. There is no enough information on how different management systems affect the forest structure. The main objective of this study was to analyze the differences on stand structure and species composition caused by different logging intensities. The study was conducted in a lowland evergreen moist forest of 22 000 ha in Cameroon. The forest was subdivided into three forest types with different human impacts: 2-Logged, 1-Logged, and Unlogged. The diameter corresponding to mean basal area of stems of 2-Logged (31.8 cm, N=369) was almost equal to that of Unlogged (30.1 cm, N=496). 1-Logged had a lower diameter of 27.7 cm, N=530. In the three forest types, the diameter distribution followed the inverse J-shaped curve frequently observed in natural forests. The stand basal area increased from 29.4 m2/ha in 2-Logged, to 32 m2/ha in 1-Logged, and to 35.3 m2/ha in Unlogged. These results indicated that logging affected natural regeneration in 2-Logged. Above 60 cm dbh, the logging effect was not visible. On 103 tree species found in the sample forest, only nine were classified as harvestable commercial species.http://dx.doi.org/10.1155/2015/161645
spellingShingle Adrien Djomo Njepang
A Structure Analysis for Ecological Management of Moist Tropical Forests
International Journal of Forestry Research
title A Structure Analysis for Ecological Management of Moist Tropical Forests
title_full A Structure Analysis for Ecological Management of Moist Tropical Forests
title_fullStr A Structure Analysis for Ecological Management of Moist Tropical Forests
title_full_unstemmed A Structure Analysis for Ecological Management of Moist Tropical Forests
title_short A Structure Analysis for Ecological Management of Moist Tropical Forests
title_sort structure analysis for ecological management of moist tropical forests
url http://dx.doi.org/10.1155/2015/161645
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