Monitoring and analyzing wetland landscape pattern change and ecological security using remote sensing images：A case study of Jiangsu coastal wetland

doi:10.6046/gtzyyg.2014.01.27

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Abstract

Based on landscape ecology, remote sensing and geographical information system, the authors analyzed the dynamic change of landscape pattern of Jiangsu costal wetland from 1992 to 2009. Combining the remote sensing derived information with Pressure-State-Response model, the authors also assessed AHP and Delphi methods, regional ecological security states and change trends. The experimental results show that the size of natural landscape has been reduced, while the manmade landscape tends to increase, accompanied by a transfer from wetland natural landscape to human landscape. The fragmentation degree has been intensified gradually, and the average fractal dimension tends to decrease, as a result of human intervention. The increased Shannon diversity metrics indicates more richness of wetland landscape types, which has resulted from the transfer of natural landscape to manmade landscape. The results also indicate that the wetland ecological system has been in critical security state, and the percentage of ill and insecure areas has been on the increase, so more attention should be paid to the landscape pattern improvement and ecological building.

Keywords vehicle-borne light detection and ranging(LiDAR)scanner point cloud segmentation texture mapping 3D reconstruction

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Issue Date: 08 January 2014

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	ZHU Hong
	ZHANG Zhengpeng

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ZHU Hong,ZHANG Zhengpeng. Monitoring and analyzing wetland landscape pattern change and ecological security using remote sensing images：A case study of Jiangsu coastal wetland[J]. REMOTE SENSING FOR LAND & RESOURCES, 2014, 26(1): 158-166.

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https://www.gtzyyg.com/EN/10.6046/gtzyyg.2014.01.27 OR https://www.gtzyyg.com/EN/Y2014/V26/I1/158

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