1. 新疆农业大学 林学与园艺学院,新疆,乌鲁木齐,830052
2. 新疆土壤与植物生态过程实验室 新疆农业大学 草业与环境科学学院,新疆,乌鲁木齐,830052
3. 新疆农业大学 林业研究所,新疆,乌鲁木齐,830052
4. 新疆伊犁哈萨克自治州水利局, 新疆 伊宁,835000
纸质出版:2016
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仲亚婷, 张文太, 黄俊华, 等. 伊犁河谷不同草地类型坡面水土保持效应的模拟降雨试验[J]. 水土保持通报, 2016,36(6):21-25. DOI: 10.13961/j.cnki.stbctb.2016.06.004.
ZHONG Yating, ZHANG Wentai, HUANG Junhua, et al. Experimental Study on Soil and Water Conservation Effects of Different Grasslands with Simulated Rainfall in Yili River Valley[J]. Bulletin of Soiland Water Conservation, 2016, 36(6): 21-25. DOI: 10.13961/j.cnki.stbctb.2016.06.004.
[目的] 研究一定降雨条件下,伊犁河谷地区3个不同草地类型径流小区的减流减沙效果,以期为该区的水土保持工作提供借鉴。[方法] 采用野外人工模拟降雨的方法。[结果] (1)几种草地类型初始产流时间的长短依次为:角果藜 > 伊犁蒿 > 狗牙根 > 裸地;(2)径流速率由大到小依次为:裸地 > 伊犁蒿 > 狗牙根 > 角果藜;(3)泥沙含量由大到小依次为:裸地 > 伊犁蒿 > 狗牙根 > 角果藜;(4)狗牙根减流因子的数值处于0.21~0.58之间,伊犁蒿的减流因子处于0.14~0.87之间,角果藜的减流因子则在0.02~0.11之间,狗牙根减沙因子的数值在0.16~0.76之间,角果藜的减沙因子处于0~0.42之间,伊犁蒿的减沙因子则在0.42~0.88之间。[结论] 水土保持效益最好的是角果藜,其次为狗牙根与伊犁蒿,裸地效果最差。
[Objective] The reduction effects of runoff and sediment in 3 different grasslands runoff plots were observed under certain rainfall condition in Yili river valley
to provide references for soil and water conservation in the area.[Methods] Method of field artificial rainfall was used.[Results] (1) The occurrences of initial runoff the several grasslands ranked as:Pod quinoa > Yili Artemisia > Bermuda grass > bare land; (2) The runoff of rate ranked as:bare land > Yili Artemisia > Bermuda grass > Pod quinoa; (3) The sediment concentration ranked as:bare land > Yili Artemisia > Bermuda grass > Pod quinoa; (4) The values of flow reduction factor of Pod quinoa
Bermuda grass and Yili Artemisia were 0.02~0.11
0.21~0.58 and 0.14~0.87. The values of sediment reduction factor of Bermuda grass
Pod quinoa and Yili Artemisia were 0.16~0.76
0~0.42 and 0.42~0.88.[Conclusion] Pod quinoa got the best benefit for soil and water conservation
followed by Yili Artemisia and Bermuda grass
bare land performed the worst.
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