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[1]LIN Jia,SONG Ge.Research on Dynamic Changes of Landscape Structure and Land Use Eco-security Spatiotemporal Variation in Jian Sanjiang Land Reclamation Area[J].Research of Soil and Water Conservation,2016,23(04):48-54.

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Research on Dynamic Changes of Landscape Structure and Land Use Eco-security Spatiotemporal Variation in Jian Sanjiang Land Reclamation Area

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 23 Number of periods: 2016 04 Page number: 48-54 Column: Public date: 2016-04-28

Title:: Research on Dynamic Changes of Landscape Structure and Land Use Eco-security Spatiotemporal Variation in Jian Sanjiang Land Reclamation Area

Author(s):: LIN Jia¹, SONG Ge^1,2; 1. Institute of Land Management, Northeast University, Shenyang 110819, China;
2. College of Resources and Environment, Northeast Agricultural University, Harbin 150030, China

Keywords:: landscape structure; land-use ecological system security; landscape stability; DPSIR model; spatiotemporal variation

CLC:: F301.2

DOI:: -

Abstract:: Research for the dynamically strong disturbance regional landscape structure and the spatiotemporal variation of land use ecological security is one of very important parts of regional ecological security and sustainable utilization study. We selected Jian Sanjiang land reclamation area which includes 15 farms as the study area. We used the remote sensing (RS) tools to get the types of landscape in 1992, 2001 and 2010. We quantitatively analyzed the landscape structure characteristics changed of the study area and quantitatively calculated the landscape structure stability of each farms. We established the comprehensive evaluation indicator system based on the DPSIR model, evaluated and analyzed the eco-security level of land-use in each farm with the eco-security of land-use data. We analyzed the spatiotemporal variation of each farm. The results showed that three characters changed in the landscape components from 1992 to 2010. The landscape spatiaopattern characteristics of the study area changed dramatically. Land use ecological security evaluation values and ratings were dropped after the first upward trend in Chuang ye farm, Er daohe farm and Nong jiang farm over the time. And the values and ratings of the other farms showed the increasing trend. With respect to the spatial distribution, the distribution of high level farms concentrated in the mid-west region, northwestern and eastern in 1992; it was shown that two zonal distribution zones in 2001; the land-use ecological security levels of most areas have raised and the low-grade regional inserted in them in 2010. This level of changes and spatial differentiation reflects the different land use ecosystem steady state (the structure and function of the level resistance to the interference). It is reflected that the land use and human behavior play a key role in securing the ability of the sustainable land use.

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