摘要
土壤侵蚀作为山区生态系统退化最主要的驱动力,严重干扰着植被的发育演替过程,植被则通过采用不同的繁殖方式、形态与生理补偿等方式来克服和适应土壤侵蚀造成的负面压力,使植物本身对土壤侵蚀环境的适应性增强,继而发展成为可抵抗土壤侵蚀的植物和群落。凡具有适应土壤侵蚀环境能力,能在土壤侵蚀条件下生存,并能保护改良土壤和具有防止土壤侵蚀的作用,具有繁殖更新能力,可维持群落稳定与可持续发展的植物,称之为抗侵蚀植物。在对黄土丘陵沟壑区植被恢复中不同抗侵蚀植物进行分类、及其侵蚀学特征与土壤侵蚀环境演变特征分析的基础上,提出从土壤侵蚀学观点出发,对植被恢复过程中先后出现的植物和群落的形态学、生理学和生态学特征及防蚀功能进行系统研究,以更好地发挥植物和植被保持水土与改善环境的生态功能。
Soil erosion is the most important driving force for the degradation of upland and mountain ecosystems,and interferes with the process of plant community development and plant succession.However,plant can overcome the stresses caused by soil erosion through the various breeding ways and the morphological and physiological compensation.In the process of resisting soil erosion,the adaption of plant to soil erosion environment is increasing,and plant community development can resist soil erosion.Therefore,erosion-resistant plant is considered that plant not only can adapt to soil erosion environment,survive in soil erosion condition,but also can protect and improve soil,prevent soil from erosion,regenerate itself and maintain the stability and sustainable development of plant community.The erosion-resistant plants was classified into different groups,and the soil erosion-resistant characteristics of plant and the development features of soil erosion environment of vegetation restoration process in the Hilly-gullied Loess Plateau were analyzed.In order to develop the ecological function of plant and community to conserve soil and water and improve environment preferably,it is suggested that morphological,physiology and ecological features and erosion control function of successive plants and communities in the vegetation restoration process need to be investigated systematically in the view of soil erosion science,and the theoretical frame and application method of erosion-resistant species need to be put forwarded.
出处
《中国水土保持科学》
CSCD
2010年第1期22-27,共6页
Science of Soil and Water Conservation
基金
国家自然科学基金“黄土丘陵沟壑区土壤种子库分布格局及植被恢复的土壤侵蚀解释”(40771126)
关键词
土壤侵蚀环境
抗侵蚀植物
水土保持植物
植物抗侵蚀特征
soil erosion environment
erosion-resistant plant
soil and water conservation plant
erosion-resistant characteristics of plant
