摘要
黑河流域地处河西走廊中部,其特殊的气候条件和地貌特征对当地生态环境起主要的控制性作用,加之人类活动的影响,植被、土壤和水等环境都表现出不同程度的脆弱性特征.具体表现为土地沙化、土壤盐渍化、草场退化、水资源减少、植被单一、生物多样性丧失等.从恢复生态学的观点出发,探索维持生态系统稳定性和恢复重建机制.
:Heihe Basin in midst of Hexi corridor,the climate conditions of idiosyncratic and the geomorphic characteristics make predominant control impact on the ecoiogical environment, the vegetation,soil and water environment are shows different degrees of fragility with mankind kinetic affect.The general manifestation is land desertification,soil salinization,grassland degradation,abate in water resource,vegetation unity,and loss in biodiversity.To explore mechanisms for maintaining stability of the ecological system and regain with outlook of recovery ecological.
出处
《河西学院学报》
2002年第5期106-109,共4页
Journal of Hexi University