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元谋干热河谷优势乡土草群落水土保持效益研究
Alternative TitleEffects of Dominant Native Grasses Constructed Communities on Soil and Water Conservation in Dry-Hot Valley of Yuanmou
张明忠1; 何光熊1; 方海东1; 熊东红2; 冉林3; 张宝军2; 史亮涛1
Corresponding Author史亮涛
2017
Source Publication水土保持研究
ISSN1005-3409
Volume24Issue:2Pages:101-104
Other Abstract
通过在金沙江元谋干热河谷不同坡度径流小区内人工构建优势乡土草群落,研究了自然降雨对不同坡度径流小区产流量和泥沙量的影响.结果表明:不同径流小区产流量和土壤侵蚀模数与降雨量呈正相关,与植被盖度呈负相关;种植处理与对照CK差异显著,且小区坡度越大越显著;降雨利用率随坡度增加而减少,而且乡土草植被群落盖度越大小区降雨利用率越高.通过构建乡土草群落能有效地降低水土流失,增加降雨利用率,且随着坡度增大,水土流失治理效果越明显.
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Dominant native grasses were assembled for constructing communities in different slope runoff monitoring sites,and their effects and efficiencies on water and soil loss were examined under Yuanmou dry-hot valley conditions.The observation results from 2013 to 2015 showed that runoff generations and soil erosion modulus were positively correlated with rainfall(p<0.05);soil and water losses were significantly different between constructed native grasses community sites and CK sites,runoff generations and soil erosion modulus increased with the rise of slope gradients across all communities and CK sites;in contract,water utilization efficiencies of constructed native grass communities reduced with the increase of site slope gradients,and rose with increase of community coverage.The above results suggested that planted native grass communities significantly reduced water and soil loss and improved the reutilization of rainfall,and the reduction of soil and water loss was more obvious with the increase of slope gradient,which reveled that it could be more efficient when those communities were built in steep sloping lands in hilly.

Keyword干热河谷 乡土草 侵蚀模数 径流量 水土保持
Subject AreaS157
DOI10.13869/j.cnki.rswc.2017.02.017
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:5930072
Funding Organization中国科学院“西部之光”重点项目(Y4R2060060)
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/20734
Collection山地灾害与地表过程重点实验室
Affiliation1.云南省农业科学院热区生态农业研究所
2.中国科学院水利部成都山地灾害与环境研究所
3.云南省元谋县水土保持办公室委员会
Recommended Citation
GB/T 7714
张明忠,何光熊,方海东,等. 元谋干热河谷优势乡土草群落水土保持效益研究[J]. 水土保持研究,2017,24(2):101-104.
APA 张明忠.,何光熊.,方海东.,熊东红.,冉林.,...&史亮涛.(2017).元谋干热河谷优势乡土草群落水土保持效益研究.水土保持研究,24(2),101-104.
MLA 张明忠,et al."元谋干热河谷优势乡土草群落水土保持效益研究".水土保持研究 24.2(2017):101-104.
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