DONG Jie,YANG Da-yuan.Study on Ecosystem Restoration and Reconstruction of Degradation Soil in the Three Gorges Reservoir Area[J].Research of Soil and Water Conservation,2008,15(03):234-238.
三峡库区退化土壤生态系统恢复与重建研究
- Title:
- Study on Ecosystem Restoration and Reconstruction of Degradation Soil in the Three Gorges Reservoir Area
- Keywords:
- degradation soil; ecosystem; restoration and reconstruction; the Three Gorges Reservoir Area
- 分类号:
- S158.1
- 摘要:
- 运用恢复生态学理论对三峡库区退化土壤生态系统进行恢复与重建，不同利用方式退化土壤生态系统恢复与重建的技术措施有显著差异。退化坡耕地可采取坡改梯整治技术、农耕农艺技术和生物篱生态过滤网带技术进行恢复重建；退化林地的恢复与重建措施主要有：改进林木更新方式和营林技术，增加林地施肥投入，开展多种经营，采用立体种植模式等；退化草地的恢复与重建一是将现有的草山草坡进行人工改造，二是将水土流失严重的裸地种植水保牧草，两种均以等高带状种植；退化荒地可通过人工措施来加快其生态恢复过程，一般采用先锋群落的重建及复合群落的培植与发育；退化建设用地主要是通过土地整理和复垦等措施恢复，难以复垦的要进行植被恢复，方法与退化荒地的恢复与重建类同。
- Abstract:
- The authors make ecosystem restoration and reconstruction of degradation soil using theory of restoration ecology in the Three Gorges Reservoir Area.Soil ecosystem restoration and reconstruction technique measures are obvious under different land use types.We can adopt the technique of changing slope to terrace,farming and agriculture techniques and growing contour tillage of hedgerows to degraded sloping plantation.To degenerate woodland,we adopt measures such as improving forest renewal manner and planting technique,increasing fertilization devotion,developing mixed farming,taking solid planting patterns.To degenerate grassplot,we first rebuild the existing grass hill and grass slope;second plant water conservation grasses in the bare lands with soil and water loss,they should be contour farming.To degenerate wasteland we can use man-made measures to quicken the ecology renewing process in which redeveloping the pioneer community and the implantation and growth of complex community in generally;To degenerate building land,we usually adopt land arrangement and reclamation;the building lands which are difficult to be replanted,we should use recovery and redevelopment measures of degenerate wasteland.
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备注/Memo
收稿日期:2007-8-12。
基金项目:国家自然科学基金项目（40272126）；国土资源部重点项目“三峡库区岸坡第四纪堆积特征及沿江公路路基稳定性研究”
作者简介:董杰（1965- ），男，河南正阳人，博士，教授，硕士生导师，主要从事资源与环境方面的研究。E-mail：dongjie@lcu.edu.cn