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cje ›› 1993, Vol. ›› Issue (3): 31-35.

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Multiple-Level Fuzzy Comprehensive Evaluation on Hydrological Functions of Vegetations on the Qilian Mountains

Che Kejun, Fu Huien   

  1. Qilian Mountains Institute of Forest for Water Source Conservation, Zhangye, Gansu Province 734000
  • Received:1991-07-08 Revised:1991-12-13 Online:1993-06-10

Abstract: By means of muItiple-level fuzzy comprehensive evaluation,the hydrological functions of four vegetation types are analyzed.Picea crassifolia forest is shown to be the best type for water conservation on Qilian mountains,Sabina przewlskii forest and shrubbery are the second and grazing grassland is the most inef-ficient for water and soil conservation, Countermeasures for ratiOnal management of various vegetation types are posed to protect,exploit and comprehensively utilize water-conserving forests on Qilian mountains.

Key words: forest fuel, fuel model, forest fire behavior, Fengling Natural Reserve.