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丹江口库区主要植被类型水源涵养功能综合评价(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2009年01期
Page:
59-63
Column:
研究论文
publishdate:
2009-01-30

Article Info:/Info

Title:
A comprehensive evaluation of water conservation capacity of main vegetation types in Danjiangkou reservoir area
Author(s):
LIU Xuequan TANG Wanpeng CUI Hongxia
Forestry Institute of Hubei Province, Wuhan 430079, China
Keywords:
Danjiangkou reservoir area vegetation types water conservation capacity AHP
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2009.01.012
Document Code:
A
Abstract:
The sloping land was used as control, and the water conservation capacity of broadleaf forest , Pinus massoniana forest, pine and cypress mixed forest, citrus orchard and shrub was studied in Danjiangkou reservoir area. Then we used the method of analytic hierarchy process(AHP) to evaluate the water conservation capacity of six vegetation types. The results showed that the average canopy percentage of interception was 20.64%; the average waterholding capacity of litter form was 1.85mm; the average waterholding capacity of soil was 879.78t/hm2; the average surface runoff was 251.9mm; the average soil erosion was 10.40t/hm2. The water conservation capacity of six vegetation types was in order that broadleaf forest was the best, followed by pine and cypress mixed forest, P. massoniana forest, citrus orchard, shrub and sloping land.

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Last Update: 2009-05-06