A geo-spatial study on spatio-temporal growth of brackish water aquaculture along the coastal areas of West Bengal (India)

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• 作者：Dipanwita Dutta ; Chandra Sekhar Das ; Arnab Kundu
• 关键词：Brackish water aquaculture ; Change detection ; Remote sensing ; GIS
• 刊名：Modeling Earth Systems and Environment
• 出版年：2016
• 出版时间：June 2016
• 年：2016
• 卷：2
• 期：2
• 全文大小：2,388 KB
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• 作者单位：Dipanwita Dutta (1)
  Chandra Sekhar Das (1)
  Arnab Kundu (2)
  
  1. Department of Remote Sensing and GIS, Vidyasagar University, Midnapore, West Bengal, India
  2. Centre of Atmosphere, Ocean and Space Studies, University of Allahabad, Allahabad, Uttar Pradesh, India
  
• 刊物类别：Earth System Sciences; Math. Appl. in Environmental Science; Statistics for Engineering, Physics, Co
• 刊物主题：Earth System Sciences; Math. Appl. in Environmental Science; Statistics for Engineering, Physics, Computer Science, Chemistry and Earth Sciences; Mathematical Applications in the Physical Sciences; Ec
• 出版者：Springer International Publishing
• ISSN：2363-6211

文摘

The present study seeks to identify the landuse changes occurring due to haphazard growth of brackish water fisheries along the coastal areas of West Bengal through remote sensing and GIS techniques. High resolution multi-temporal Google Earth images were used for detecting spatio-temporal changes of two blocks of Contai sub-division located in Midnapore district of West Bengal. Also, the area was surveyed with GPS and the digitized maps were verified using the information collected from the aquaculture farm owners. It is evident from change detection analysis that a significant amount of area under agricultural land has been converted into aquaculture farm and also a large number of pre-existing ponds have been converted into brackish water fisheries. Remote sensing derived statistical information on inland fisheries of Contai II and III blocks reveals that area under brackish water fisheries has increased about 2950 acres within the period 2006 to 2011.