龙庆峡荒滩生态治理示范区林地土壤水分特性的研究

Study on Soil Water Characteristics of Ecology Harness Forestland in Longqingxia Wasteland

通过土壤水分常数的测定,研究龙庆峡荒滩生态治理区不同植被恢复模式样地的土壤水分特性。结果表明,刺槐林地土壤含水量均高于同期的新疆杨林。龙庆峡荒滩土壤发育时间短,受不同的植被类型影响较小,刺槐混交林地相对于新疆杨林地土壤水分状况较好。在不同的立地条件下,刺槐林地土壤含水量和刺槐混交林土壤水分常数总体趋势表现为全部客土区〉局部客土区〉一般区,说明客土造林有利于土壤保水。

This paper aims on soil water characteristics under different plantations in ecology harness of Longqingxia wasteland. Through the measurement of the constant of the soil moisture, the authors find that soil water of Robinia Pseudoacaia Linn＇s land is higher than its of Populus alba L. vat. pyramidalis Bge＇s land in the same time,the effects of vegetation types is smaller and the time of soil development is shorter ,so soil moisture status on robinia mixed land is better than its of Populus alba L. var. pyramidalis Bge＇s land, increase and decrease of the constant of soil in Robinia Pseudoacaia Linn＇s land and robinia mixed land are partial outside soil land〉complete outside soil land〉general land under different site condition.