A study on the ecohydrological characteristics of the secondary evergreen broadleave forest in Miaoshanwu Nature Reserve

KONG Weijian, ZHOU Benzhi*, AN Yanfei, WANG Gang, WANG Xiaoming, XU Sheng hua

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2010, Vol. 34 ›› Issue (04) : 87-92.

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南京林业大学学报（自然科学版）
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JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2010, Vol. 34 ›› Issue (04) : 87-92. DOI: 10.3969/j.jssn.1000-2006.2010.04.020

A study on the ecohydrological characteristics of the secondary evergreen broadleave forest in Miaoshanwu Nature Reserve

  • KONG Weijian1, ZHOU Benzhi1*, AN Yanfei1, WANG Gang1, WANG Xiaoming1, XU Sheng hua2
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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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KONG Weijian, ZHOU Benzhi*, AN Yanfei, WANG Gang, WANG Xiaoming, XU Sheng hua. A study on the ecohydrological characteristics of the secondary evergreen broadleave forest in Miaoshanwu Nature Reserve[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2010, 34(04): 87-92 https://doi.org/10.3969/j.jssn.1000-2006.2010.04.020

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