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Application of land economic ecological niche in landscape pattern analysis at county level: A case study of Jinghe County in Xinjiang, China.

YU Hai-yang1,2, ZHANG Fei1,2,3, WANG Juan1,2, ZHOU Mei1,2   

  1. (1College of Resources and Environmental Science, Xinjiang University, Urumqi 830046, China; 2Key Laboratory of Oasis Ecology, Xinjiang University, Urumqi 830046, China;  3Xinjiang Key Laboratory of Wisdom City and Environment Modeling, Urumqi 830046, China)
  • Online:2015-12-18 Published:2015-12-18

Abstract: The theory of land economic ecological niche was used to analyze the regional landscape pattern in this article, with an aim to provide a new method for the characterization and representation of landscape pattern. The Jinghe County region, which is ecologically fragile, was selected as an example for the study, and the Landsat images of 1990, 1998, 2011 and 2013 were selected as remote sensing data. The land economic ecological niche of land use types calculated by ecostateecorole theory, combined with landscape ecology theory, was discussed in application of land economic ecological niche in county landscape pattern analysis. The results showed that, during the study period, the correlations between land economic ecological niche of farmland, construction land, and grassland with the parameters, including landscape patch number (NP), aggregated index (AI), fragmented index (FN) and fractal dimension (FD), were significant. Regional landscape was driven by the changes of land economic ecological niche, and the trend of economic development could be represented by land economic ecological niche change in Jinghe County. Land economic ecological niche was closely related with the land use types which could yield direct economic benefits, which could well explain the landscape pattern characteristics in Jinghe County when combined with the landscape indices.