期刊
JOURNAL OF FORESTRY RESEARCH
卷 25, 期 1, 页码 171-176出版社
NORTHEAST FORESTRY UNIV
DOI: 10.1007/s11676-014-0443-4
关键词
tropical forest; deforestation; plant diversity; soil properties; Ghana
类别
资金
- UNESCO MAB Young Scientists Awards [4500110156]
We investigated the effects of selective logging disturbances on tree diversity and soil characteristics in the Bia Conservation Area in southwest Ghana. The study was conducted in unlogged, 29-35 years post-logged and swamp forests using ten 25 m x 25 m plots. In total, we identified 310 individual trees belonging to 87 species. Mean Shannon-Weiner index was highest in the post-logged forest but there were no significant differences in tree density, dominance, or DBH size class distributions between these forests. Soil physical properties such as pH and bulk density up to 30 cm depth were similar in the two of forests In terms of soil nutrient status, available P, exchangeable K and total N contents were all similar in the unlogged and post-logged forests. Our findings suggest that the effects of logging on tree diversity are comparatively long-term, in contrast to its short-term effects on some top soil physical and chemical characteristics.
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