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Chinese Journal of Applied Ecology ›› 1996, Vol. 7 ›› Issue (1): 11-14.

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Growth stage and classification of poplar shelterbelt

Zhu Jiaojun, Jiang Fengqi   

  1. Institute of Applied Ecology, Academia Sinica, Shenyang 110015
  • Received:1995-05-22 Revised:1995-08-18 Online:1996-01-25 Published:1996-01-25

Abstract: Based on the characteristics of shelterbelt and the patterns of tree growth and shelterbelt structure, the growth of poplar shelterbelt can be divided into three stages,i.e,initial,middle(or fast growing)and protective maturing stages.Their quantitative indexes are determined by diameter discrete degree,protective maturity age and regeneration age.Corresponding management measures for each growing stage are given.

Key words: Poplar, Shelterbelts, Growth stage, Classification, Quercus variabilis, population structure, spatial pattern, geographical gradient