Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Journal of Beijing Forestry University》 2003-05
Add to Favorite Get Latest Update

Study on Phyllostachys praecox forest ecosystem health.

Yu Shuquan; Jiang Chunqian; Zhou Guomo; Li Cuihuan.Faculty of Life Science, Zhejiang Forestry College, Lin'an, Zhejiang, 311300, P.R.China.  
The health of Phyllostachys praecox (Lei bamboo) forest ecosystem in Lin'an City, Zhejiang Province was evaluated with comparative ecological method for sustainability of Lei forests .The results showed that intensive human disturbances greatly degenerated the health of Lei bamboo forest ecosystem. The problems were listed as follows: ①Shrub-layer disappeared, and herb-layer coverage and height decreased. R-strategy species and ephemeral therophyte were dominant, and species richness and diversity index decreased by 54.5% and 32% respectively. ②Low vitality sustainability. Through the introduction of high-yielding cultivation measures, the annual output of bamboo shoots increased by 24.65% and output value increased by 267%, but the situation could not last long. After 3~4 years, blossoming and susceptibility index will increase, land will degrade and yield will reduce gradually. ③Soil health deteriorated, nutrient (N,P,K)level unbalanced, soil enzyme activity decreased, and P,K accumulated excessively.④Destructive possibility to vicinity ecosystem increased.⑤ Human health was threatened potentially.⑥The function of ecosystem decreased, soil and water erosion increased, management options reduced. Measures of sustainable management of Lei bamboo ecosystem were suggested in the end.
【Fund】: 亚太区域示范林项目 (GCP RAS 177 JPN)资助
【CateGory Index】: S795.9
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
Similar Journals
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved