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当前位置: 首页 > 文章 > 植被毯对内蒙古清水河县黄土丘陵沟壑区黄土边坡产流产沙量的影响 水土保持学报 2019 (6) 61-71
Position: Home > Articles > Effect of Vegetation Carpet on Runoff and Sediment Yield of Loess Slope in Hilly-Gully Loess Region of Qingshuihe County, Inner Mongolia Journal of Soil and Water Conservation 2019 (6) 61-71

植被毯对内蒙古清水河县黄土丘陵沟壑区黄土边坡产流产沙量的影响

作  者：
郭宇;王树森;马迎梅;徐军;李国婧;黎光;王少华;孟凡旭;张平;张娜
单  位：
内蒙古农业大学生命科学学院内蒙古自治区植物逆境生理与分子生物学重点实验室;内蒙古农业大学沙漠治理学院荒漠生态系统保护与修复国家林业局重点实验室内蒙古自治区风沙物理与防沙治沙工程重点实验室;内蒙古农业大学草原与资源环境学院;内蒙古蒙树生态环境有限公司
关键词：
黄土丘陵沟壑区;植被毯;产流产沙量
摘  要：
黄土丘陵沟壑区地形复杂,坡陡沟深,水土流失严重,为缓解黄土丘陵沟壑区边坡水土流失严重的问题,以内蒙古清水河县段兰窑流域黄土边坡为研究区,采用3种植被毯措施:豆科植物和禾本科植物混播(以下简称豆禾混播)比例为1∶1+椰丝毯(L_1G_1)、豆禾混播比例为1∶2+椰丝毯(L_1G_2)和豆禾混播比例为2∶1+椰丝毯(L_2G_1)在30°,35°,40°和45°边坡设置径流小区,分析该区域不同自然降雨条件和坡度对边坡产流与产沙量的影响。结果表明:(1)铺设植被毯可以有效的减少黄土边坡产流产沙量。(2)当降雨强度为1～5 mm/h时,各植被毯措施的产流量和产沙量随着坡度的增加呈上升趋势;当降雨强度为30～50 mm/h时,各植被毯措施的产流量和产沙量随着坡度的增加呈先增加后减小的趋势,坡度为40°时出现峰值。(3)3种植被毯措施的减流效益大小依次为L_1G_1(75.11%)>L_1G_2(49.3%)>L_2G_1(48.11%);3种植被毯措施减沙效益大小依次为L_1G_1(87.96%)>L_1G_2(60.96%)>L_2G_1(58.95%)。说明在黄土丘陵沟壑区L_1G_1是一种有效的边坡水土流失治理措施。
译  名：
Effect of Vegetation Carpet on Runoff and Sediment Yield of Loess Slope in Hilly-Gully Loess Region of Qingshuihe County, Inner Mongolia
作  者：
GUO Yu;WANG Shusen;MA Yingmei;XU Jun;LI Guojing;LI Guang;WANG Shaohua;MENG Fanxu;ZHANG Ping;ZHANG Na;College of Desert Control, Inner Mongolia Agricultural University, College of Desert Control Science and Engineering, Aeolian Physics and Desertification Engineering Key Laboratory, The Key Laboratory of Desert Ecosystem Conservation and Restoration, State Forest Administration of China, Inner Mongolia Agricultural University;College of Grassland, Resources and Environment, Inner Mongolia Agricultural University;College of Life Sciences, Inner Mongolia Agricultural University, Inner Mongolia Key Laboratory of Plant Stress Physiology and Molecular Biology;Inner Mongolia Mengshu Ecological Environment Limited Company;
关键词：
hilly-gully loess region;;vegetation carpet;;runoff and sediment yield
摘  要：
In order to alleviate the serious soil and water loss of slope in Hilly-Gully Loess Region, this paper took DuanLanyao drainage loess slope in Qingshuihe County of Inner Mongolia as the research area, and adopted three vegetation carpet measures: the mixed planting of Legumes and Gramineae plants with a ratio of 1∶1+coconut carpet(L_1G_1), the mixed planting ratio of 1∶2 + coconut carpet(L_1G_2), and the ratio of 2∶1 + coconut carpet(L_2G_1). Runoff plots were set up with slope gradients of 30°, 35°, 40° and 45°. The effects of different natural rainfall conditions and slopes on slope runoff and sediment yield were analyzed. The results showed that:(1) Vegetation carpet could effectively reduce the runoff and sediment yield of Loess slope.(2) When the rainfall intensity was 1～5 mm/h, the runoff and sediment yield of vegetation carpet measures increased with the increase of slope gradients; when the rainfall intensity was 30～50 mm/h, the runoff and sediment yield of vegetation carpet measures increased first and then decreased with the increase of slope gradients, and the peak value appeared when the slope was 40°.(3) The benefits of three vegetation carpet measures were L_1G_1(75.11%)>L_1G_2(49.3%)>L_2G_1(48.11%) and L_1G_1(87.96%)>L_1G_2(60.96%)>L_2G_(1 )(58.95%), respectively. It could be concluded that L_1G_(1 )was an effective measure to control soil and water loss of slope in the Hilly-Gully Loess Region.

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