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FOREST RESOURCES WANAGEMENT ›› 2020, Vol. 0 ›› Issue (1): 79-91.doi: 10.13466/j.cnki.lyzygl.2020.01.011

• Scientific Research • Previous Articles     Next Articles

Land Use/Cover Change and Ecological Security Evaluation in Urumqi

Yanan ZHU1, Zhiming YAN2, Chunling PU1,3(), Zhiyou LIU1,4   

  1. 1. School of Management,Xinjiang Agricultural University,Urumqi 830052
    2. Center for Program,Xinjiang Agricultural University,Urumqi 830052
    3. Research Center for Economic and Social Development,Xinjiang Agricultural University,Urumqi 830052
    4. State Key Laboratory of Cryospheric Science,Institute of Arid and Arid Regions,Chinese Academy of Sciences,Lanzhou 730000
  • Received:2019-10-31 Revised:2019-12-17 Online:2020-02-28 Published:2020-05-17
  • Contact: Chunling PU E-mail:puchunling@163.com

Abstract:

Urmqi,as a city located on oases,its ecological environment is little bit weak.Through assessment of city earth usage/changes of earth covering and earth ecology safety,reveals the trend of earth usage/changes rule of earth covering and earth ecology safety during 1990-2017 in Urmqi city.Assisted with ERDAS and ArcGIS software,explains and analyzes 4 sessions remote-sensing map of Urmqi city and evaluates Urmqi city's earth ecology safety current situation by matter-element model.The result shows that in 1990-2017,earth usage/changes of earth covering was mainly represented by leasing of cultivated land,forest land and grass land,and the new gained of construction land,not used land.Different periods' development situations of earth usage/changes of earth covering are good and developing.The earth ecology safety level of Urmqi city has reached safe level from unsafe level.By analyzing Urmqi city's usage/changes of earth covering and evaluating its ecology safety,it has profound significance for many earth ecology environment problems occur in city development in the future.

Key words: land use/cover change, ecological security, entropy weight method, matter-element model, Urumqi

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