The Relationship between Plant Species Richness and Forest Canopy Hygroscopic Volume in Different Plant Communities in Jianshan River Watershed

FOREST RESOURCES WANAGEMENT ›› 2013, Vol. 0 ›› Issue (3): 69-73.

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The Relationship between Plant Species Richness and Forest Canopy Hygroscopic Volume in Different Plant Communities in Jianshan River Watershed

YANG Guiying, WANG Keqin, CHEN Qibo, ZHOU Fang

Environmental Science and Engineering College,Southwest Forestry University,Kunming,650224,Yunnan,China

Received:2013-03-22 Revised:2013-05-21 Online:2013-06-28 Published:2020-11-20

Abstract

Abstract: In this paper,the species richness and hygroscopic volume of plant leaves in different secondary succession stages of communities were determined and analyzed.The results indicated that the species richness ranged in average from 4.33 to 49.33 and the diminishing sequence was ACQO(49.33),AKLG(38.33),APME/APHC(28.67),ADI/ACV(17.00) and AEE(4.33).The hydrological function of the leaves of the plant communities was strongest in ACQO(12.93t/hm²),poorest in ADI/ACV(3.81t/hm²),and intermediate in the AKLG,APME/APHC and AEE communities.The hydrological function of the leaves was enhanced as the plant species richness increased.There was significantly positive correlation(r²=0.593,n=15,p<0.01)between the species richness and the hygroscopic volume.In woody layer,with species richness increasing,hygroscopic volume of leaves in corresponding communities decreased and then increased,and this layer gradually became the main contributor of rainfall interception. However,the hygroscopic volume and plant species richness in herbaceous layer did not reveal such a clear trend.

Key words: plant community, species richness, hygroscopic volume, Jianshan River Watershed, rain interception

CLC Number:

S718.54

YANG Guiying, WANG Keqin, CHEN Qibo, ZHOU Fang. The Relationship between Plant Species Richness and Forest Canopy Hygroscopic Volume in Different Plant Communities in Jianshan River Watershed[J]. FOREST RESOURCES WANAGEMENT, 2013, 0(3): 69-73.

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The Relationship between Plant Species Richness and Forest Canopy Hygroscopic Volume in Different Plant Communities in Jianshan River Watershed

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