Study on Growth Dynamics of Tropical Secondary Natural
Forest on Hainan Island

MENG Jing-hui; LU Yuan-chang; WANG Yi-xiang; LIU Gang

Forest dynamics is an important theoretical base for making forest management plan. In order to know the forest growth dynamics to support the local forest management, two types of tropical secondary forest of different succession serial were studied in terms of diameter growth, basal area growth, stand volume growth and stem mortality. The result showed that with the succession progress, the growth of basal area, diameter and stem volume indicated a declining pattern and so was the stem mortality. The reason for this phenomenon is that in the early succession stage, the poineer tree species contituted very high propotion, hence showed the high mortality and growth rate, but with the succession process, the poineer tree was replaced by the climax or sub-climax tree species which caused the low growth rate and mortality. Understanding the dynamics of the secondary forest is helpful to the sustainable forest management.

Study on Growth Dynamics of Tropical Secondary Natural Forest on Hainan Island

1. Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing 100091, China

2. School of Environmental Technology, Zhejiang Forestry College,Lin’an 311300, Zhejiang, China

3. College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan 4300702, Hubei, China

Abstract: Forest dynamics is an important theoretical base for making forest management plan. In order to know the forest growth dynamics to support the local forest management, two types of tropical secondary forest of different succession serial were studied in terms of diameter growth, basal area growth, stand volume growth and stem mortality. The result showed that with the succession progress, the growth of basal area, diameter and stem volume indicated a declining pattern and so was the stem mortality. The reason for this phenomenon is that in the early succession stage, the poineer tree species contituted very high propotion, hence showed the high mortality and growth rate, but with the succession process, the poineer tree was replaced by the climax or sub-climax tree species which caused the low growth rate and mortality. Understanding the dynamics of the secondary forest is helpful to the sustainable forest management.

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Reference (16)

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Study on Growth Dynamics of Tropical Secondary Natural Forest on Hainan Island

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References

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