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地理研究  2000 

A study on the landscape pattern and differentiation of fragile environment in Yulin Prefecture
榆林地区脆弱生态环境的景观格局与演化研究

Keywords: fragile environment,land use and land cover change,landscape ecology,markov proces
土地利用
,景观生态学,脆弱生态环境,榆林地区

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Abstract:

As the typical representative of mixed zone of agriculture and husbandry in arid and semi- arid region,Yulin Prefecture not only has its special spatial pattern in physical geography,butalso has typical characteristics of fragile ecosystem and differentiation rule in ecology.This paperapplied the basic theory and method of landscape ecology to analyze the landscape pattern of fragile environment in this area.The driving forces of ecological differentiation in this region are also identified quantitatively.At last the differentiation dynamics of landscape ecology in the regional ecosystem are studied.

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