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庙山坞自然保护区次生常绿阔叶林水文生态特征(PDF)

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

Issue:
2010年04期
Page:
87-92
Column:
研究论文
publishdate:
2010-08-06

Article Info:/Info

Title:
A study on the ecohydrological characteristics of the secondary evergreen broadleave forest in Miaoshanwu Nature Reserve
Author(s):
KONG Weijian1 ZHOU Benzhi1* AN Yanfei1 WANG Gang1 WANG Xiaoming1 XU Sheng hua2
1.Research Institute of Subtropical Forestry, CAF, Fuyang 311400, China; 2.Forestry Bureau of Fuyang County, Fuyang 325400, China
Keywords:
ecohydrological characteristics evergreen broadleave forest Miaoshanwu Nature Reserve
Classification number :
S715
DOI:
10.3969/j.jssn.1000-2006.2010.04.020
Document Code:
A
Abstract:
In order to reveal the precipitation partitioning of forest and the function of soil and water conservation, the ecohydrological characteristics of the natural secondary evergreen broadleave forest in Miaoshanwu Nature Reserve were observed and studied for a short period time of from March to October, 2009 at level of individual stand and runoff plot. The results showed that during the observation period, the total precipitation was 1 220.8 mm. Throughfall under tree layer and stemflow contributed to 60.2 % and 6.0 %, and throughfall under shrub layer contributed to 53.2 % of the total precipitation. Interception loss occupied 40.8 %, including 33.8 % for tree layer and 7.0 % for shrub layer. The litter on forest floor was 5.31 t/hm2, and maximum water retention rate and waterholding capacity of litter were 298 % and 158 mm. The surface runoff from plot was low at only 1.25 mm, which accounted for 0.1 % of the total precipitation; the total sediment was 31.99 kg/hm2, or a soil erosion of 0.262 kg/(hm2·mm); In all, the function of soil and water conservation of natural secondary evergreen broadleave forest was quite good.

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Last Update: 2010-08-06