尖山河小流域不同群落物种多样性与冠层吸附水量的关系

林业资源管理 ›› 2013, Vol. 0 ›› Issue (3): 69-73.

尖山河小流域不同群落物种多样性与冠层吸附水量的关系

杨桂英, 王克勤, 陈奇伯, 周芳

西南林业大学环境科学与工程学院,昆明 650224

收稿日期:2013-03-22 修回日期:2013-05-21 出版日期:2013-06-28 发布日期:2020-11-20
作者简介:杨桂英(1978-),女,山西人,讲师,硕士,主要从事植物生态学方面的研究。Email:gyyang1978@126.com
基金资助:
国家自然科学基金项目(30660037);云南省教育厅科研基金项目(2012C094)

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

摘要/Abstract

摘要： 测定了处于不同次生演替阶段的植物群落的物种多样性和冠层叶吸附水量,并分析了二者间的相关关系。结果表明:物种多样性从高到低依次是半湿润常绿阔叶林(49.33)、针阔叶混交林(38.33)、云南松林(28.67)、灌草丛(17.00)和桉树人工林(4.33),与其对应的冠层叶总吸附水量分别为12.93,7.29,5.86,3.81,4.86 t/hm²;总吸附水量与物种多样性间呈显著正相关关系(r²=0.593,n=15,p<0.01)。在木本植物层,随物种多样性递增,对应群落叶吸附水量先降后升;而草本层的叶吸附水量与物种多样性间未表现明显的相关关系。群落随演替的进行,植物多样性增加,群落截留效应逐步增大,且木本层的贡献也逐渐增大。

关键词: 植物群落, 物种多样性, 吸附水量, 尖山河小流域, 截留降水

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

中图分类号:

S718.54

杨桂英, 王克勤, 陈奇伯, 周芳. 尖山河小流域不同群落物种多样性与冠层吸附水量的关系[J]. 林业资源管理, 2013, 0(3): 69-73.

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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