摘要
资源与环境问题已成为当代人类生存与发展的重大问题 ,它通过人地系统中人与地之间的相互联系 ,以各种方式和强度作用于人类。人地系统有其运行规律和演进机制 ,要建立协调的人地关系、促进沙区绿洲的可持续发展 ,就必须清楚地了解其人地系统的动态演进机制。通过分析民勤盆地人地系统的演进过程 ,提出了人地系统演进的机制和驱动力 。
Humans have had a tremendous impact on natural ecosystems and are now the principal source of change in the biosphere It is logical that we should show concern for the interaction between human systems and environmental systems Taking Minqin basin as a case, this paper focuses on regional physical environments and the cultural systems by which people maintain their relationships with those environments This paper presents the conceptual framework for the man-land systems Expecting to accelerate the regional sustainable development, it also analyses the evolutionary mechanism of regional man land systems
出处
《云南地理环境研究》
2000年第2期45-50,共6页
Yunnan Geographic Environment Research
基金
国家自然科学基金项目"河西地区环境演变与人地关系研究" !( 4973 1 0 1 0 )
