RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2004, Vol. 13 >> Issue (1): 72-77.

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DISTRIBUTION OF HUMAN SETTLEMENTS IN THE UPSTREAMMINJIANG RIVER AND THEIR ECOLOGICAL CHARACTERISTICS]——A CASE STUDY OF LIXIAN COUNTY

CHEN Yong(1,2),CHEN Guo-jie(1),YANG Ding-guo(1)   

  • Received:1900-01-01 Revised:1900-01-01 Online:2004-01-20
  • Contact: CHEN Yong

Abstract: Human settlement is an important space for human beings to live. Human ecosystem, as a fundamental functional unit of human ecosystem, is a reflection of human-land relationship in mountain areas.The upstream area of Minjiang River is not only the area inhabited by minority people, but also an ecologically fragile area. Having taken Lixian county as a case study for human settlements in the upstream area of Minjiang River, the authors have found an unusual characteristics of the distribution of human settlements and their ecological adaptation in the upstream area. In addition to the above characteristics the human settlements in the upstream have showed the following several ecological features: 1) the existence and development of human settlements are constrained by actua l supply of energy and water resources; 2) the size of a human settlement is closely related with the quantity and quality of its farming land. Human settlement ecosystems are part of a regional ecosystem. The improvement of the quality of a human settlement ecosystem depends on the enhancement of the regional ecosystem and meanwhile will promote the improvement of the regional ecosystem.

Key words: upstream area of Minjiang River, human settlement, ecosystem

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