[1]YU Zhou,LI Mingyu,CHEN Gao,et al.Change of Land Use for Ecological-Production-Living and Its Ecological Quality Influence in Tumen River Area[J].Research of Soil and Water Conservation,2021,28(06):301-307.
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Change of Land Use for Ecological-Production-Living and Its Ecological Quality Influence in Tumen River Area
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
28
Number of periods:
2021 06
Page number:
301-307
Column:
Public date:
2021-10-10
- Title:
- Change of Land Use for Ecological-Production-Living and Its Ecological Quality Influence in Tumen River Area
- Keywords:
- ecological-production-living spaces; land use transformation; ecological quality; Yanbian Korean Autonomous Prefecture
- CLC:
- F301.24; X324
- DOI:
- -
- Abstract:
- In order to explore the characteristics of the functional land change and its ecological quality impact of the ecological-production-living spaces in the core area of the Tumen River-Yanbian Korean Autonomous Prefecture，based on the 3rd phase of land use remote sensing interpretation data of 2000，2010 and 2020，from the perspective of ecological-production-living land use function classification，the center of gravity model and the ecological contribution rate of land use transformation were introduced for analysis. The results show that:(1)from 2000 to 2020，the area of ecological land in Yanbian Korean Autonomous Prefecture decreased by 1 143.34 km2; the area of land used for production increased by 915.25 km2; the area of residential land increased by 228.85 km2;(2)the ecological quality index of Yanbian Prefecture dropped from 0.789 in 2000 to 0.772 in 2020，and the overall ecological quality deteriorated，including low-quality and lower-quality areas; the areas of medium-quality and high-quality regions continued to increase;(3)the ecological quality showed a trend of improvement from 2000 to 2010 because of the conversion of agricultural land to forest land in the policy of ‘returning farmland to forest'，which accounted for 66.01% of the contribution rate of ecological improvement; the ecological quality in the period from 2010 to 2020 showed a deteriorating trend because a large amount of forest land has been converted into agricultural land in order to meet the demand for food，accounting for 79.08% of the contribution rate of ecological deterioration. In general，in the past 20 years，the ecological land in Yanbian Prefecture had decreased，and the land used for production and living has increased，and its ecological quality had deteriorated more than the improvement trend.
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Last Update:
2021-10-10