黄草梁生态旅游区水土流失观测研究

对黄草梁亚高山草甸及天然林内旅游路径水土流失情况进行了观测研究,结果表明：没有游人和骡马固定行走的林地和草甸区内未发生土壤侵蚀现象,也未形成水土流失侵蚀沟;各月份累计降雨量、径流深及侵蚀量的大小变化相同,依次为8月份〉9月份〉7月份〉6月份,8月份的径流深和侵蚀量分别为6.6 mm和2.63 t/km2;游客踩踏和骡马的践踏是导致原生植被破坏,形成水土流失侵蚀沟的主要和直接原因。

Observation and Research on the Soil Erosion of the Eco-tourism in Huangcaoliang,Shanxi Province

Through the observation on soil erosion of the subalpine meadow and forest within the travel path,the results were obtained that there was no soil erosion in the subalpine meadow and forest without the tourists and mule trampling,and erosion gully was also not formed.The changes of magnitude of cumulative precipitation,runoff depth and erosion amount were different,their orders were August September July June,of which the runoff depth and erosion amount in August were 6.6 mm and 2.63 t/km2,respectively.The main and direct reason was the tourists and mule trampling in the Huangcaoliang.And these also lead to the destruction of the native vegetation.