Structure characteristics and health distance assessment of various disturbed communities of Korean pine and broadleaved mixed forest in Changbai Mountains

Abstract

Abstract: Through samples investigation,this paper analyzed and classified the community structures of overcutting original forests,secondary birch forests and larch plantation forest under different disturbances.At the same time,some indexes which can reflect the integrity and stability of stand structure were selected.Health Distance (HD) method,a new idea,was attempted to assess ecosystem health of Korean pine and broadleaved mixed forest in Changbai Mountains.The results showed that the health degree was in order of original broadleaved stand (0.14)<structure switched stand (0.23)<structure reserved stand (0.32)<structure destroyed stand (0.33)<heavy disturbed stand (0.44)<secondary birch stand (0.53)<larch plantations (0.68).Hopefully,it will be a helpful reference on the restoration of Korean pine and broadleaved mixed forest and on the regional forestry sustainable development.

Key words: Ecosystem health, Assessment, Health distance, Korean pine and broadleaved mixed forest, Disturbance

CLC Number:

X171.1
Q149

DAI Limin, CHEN Gao, DENG Hongbing, JI Lanzhu, HAO Zhanqing, WANG Qingli. Structure characteristics and health distance assessment of various disturbed communities of Korean pine and broadleaved mixed forest in Changbai Mountains[J]. Chinese Journal of Applied Ecology, 2004, (10): 1750-1754.

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