LIU Yan,LIU Xue-quan,CUI Hong-xia,et al.Analysis on Function of Water and Soil Conservation of Different Vegetation Restoration Patterns in Yellow Soil Area of Low Hill[J].Research of Soil and Water Conservation,2010,17(06):48-52.
低丘黄壤区不同植被恢复模式水土保持功能分析
- Title:
- Analysis on Function of Water and Soil Conservation of Different Vegetation Restoration Patterns in Yellow Soil Area of Low Hill
- Keywords:
- yellow soil area of low hill; vegetation restoration pattern; soil and water conservation function; observation of the field plot
- 分类号:
- S157;X171.4
- 摘要:
- 在湖北省象鼻嘴小流域内，选取马尾松天然林及4种5年生的人工经济林+同等配置地埂植物篱模式，设置退耕5a的撂荒地作为对照，进行典型样地植被、土壤调查，结合各植被恢复模式的野外径流场地表水土流失观测数据进行分析。结果显示：植被群落特征、土壤理化性质等方面的明显优势决定了马尾松天然林模式的蓄水、保土功能最强，与撂荒地（对照）模式相比，它的地表径流削减率约为40%，土壤侵蚀削减率高达80%以上；人工植被恢复模式的蓄水、保土能力大小为：板栗+黄花菜>桃+黄花菜>竹+黄花菜>李+黄花菜，均超过撂荒地（对照）模式；板栗+黄花菜模式的地表径流削减率为30%左右，土壤侵蚀削减率约为67%，以其为代表的经济林+植物篱模式的水土保持功能比起天然林模式还有一定差距。
- Abstract:
- The masson pine natural forest and four 5-year artificial patterns that economic forest + equally configured ridge hedgerows were selected in Xiangbizui small watershed of Hubei province and the abandoned land that de-farming in five years was set as a control to carry through the vegetation and soil survey, and analyze the field plot observation data on surface soil erosion of each vegetation restoration pattern. The soil and water conservation function of masson pine pattern is significant due to the obvious advantages on community characteristics of vegetation, soil physical and chemical properties and other aspects. Compared with the abandoned land (control) mode, reduction rate of surface runoff is about 40% and reduction rate of soil erosion is high to 80% in plantation of masson pine. The capacity that water storage and soil conservation of the artificial vegetation restoration patterns followed the order of chestnut +daylily>peach+daylily>bamboo +daylily>plum+daylily. They all exceeded the abandoned land (control) mode. The reduction rate of surface runoff of chestnut+daylily mode is about 30% and reduction rate of soil erosion is about 67%. The soil and water conservation function of economic forest+ridge hedgerows modes such as chestnut +daylily representative had a gap compared with that of natural forest modes.
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备注/Memo
收稿日期:2010-5-21
基金项目:“十一五”国家科技支撑计划项目（2006BAD-03A16-03）
作者简介:刘艳（1984- ），女，云南楚雄人，硕士研究生，主要研究方向为水土保持生态修复。E-mail：liuyan1984213@163.com
通讯作者:刘学全（1966- ），男，湖北黄梅人，研究员，主要从事森林生态研究。E-mail：liuxq027@126.com