Journal of Marine Sciences ›› 2015, Vol. 33 ›› Issue (3): 17-25.DOI: 10.3969/j.issn.1001-909X.2015.03.003

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Study on the land use/cover changes in Xiushan Island based on intensity analytical method

YANG Yang, XIA Xiao-ming, ZHAO Xu-feng, TONG Xiao-ling   

  1. State Research Centre for Island Exploitation and Management, The Second Institute of Oceanography, SOA, Hangzhou 310012, China
  • Received:2015-02-15 Revised:2015-06-08 Online:2015-09-15 Published:2022-11-28

Abstract: By using RS and GIS technology, four satellites remote sensing images of 1970, 1992, 2003 and 2014 were used to create the maps of land use status in Xiushan Island. Intensity analytical method was applied to quantify the annual intensity of the changes at three levels: time interval, category, and transition. The results show that forest and grass land, cropland, construction land and tideland are the main types in Xiushan Island. Overall, the transforming rate of land use type increases initially and then decreases afterwards. The main directions of land use type transfer were the conversions from cropland to construction land. Analyses of the results reveal that the land use change is associated with the land policy, economic growth and employment structure.

Key words: island, LUCC, intensity analytical method

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