Dynamic evaluation of landscape pattern heterogeneity in farmland shelterbelt networks

doi:10.7523/j.issn.2095-6134.2012.1.008

Abstract

Abstract:

We propose a method for comprehensive evaluation of the spatial heterogeneity in farmland shelterbelt networks. Using this method, we evaluated the dynamic changes in spatial heterogeneity in shelterbelt networks in the midwest of Jilin province from 1987 to 2008. The results show that the regions with rationally distributed shelterbelt networks accounted for 20.84% of the total farmland area in 2008, but the proportion was only 0.21% in 1987. However, the spatial layout of shelterbelts is still unreasonable. Therefore, it is necessary to make strenuous efforts to update and construct the farmland shelterbelts in the studied area.

Key words: farmland shelterbelt networks, heterogeneity, spatialization, dynamic changes

CLC Number:

S759.2

SHI Xiao-Liang, LI Ying, ZHAO Kai, DENG Rong-Xin. Dynamic evaluation of landscape pattern heterogeneity in farmland shelterbelt networks[J]. , 2012, 29(1): 54-61.

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