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Remote Sensing Technology and Application
    
Classification of Vegetation Coverage of Wetland Landscape based on Remote Sensing in the Coastal Area of Jiangsu Province
Tan Qingmei,Liu Hongyu,Zhang Huabing,Wang Cong,Hou Minghang
(Collage of Geography Science,Nanjing Normal University,Nanjing 210023,China)
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Abstract  The Vegetation Coverage Estimation Model (VCEM) was established based on the classification of coastal wetlands by remote sensing technology and the improved dimidiate pixel model as well as the Normalized difference vegetation index (NDVI).The VCEM was used to calculate vegetation coverage (Fc) and grade level for different wetland types in the study area of Yancheng,Jiangsu Province.The relationship between wetland vegetation coverage and their types was analyzed further by overlaying the coverage classification map and wetland landscape map.The results show that the zonal distribution of plant community of the coastal wetland was notable.And the vegetation coverage level varies with different types of wetland.The reed marshes tend to grow at the high vegetation coverage zone,which account for 67.45% of the total area of reed marshes,and the medium vegetation coverage zone account for 23.61%,and the low vegetation coverage zone only account for 8.94%.Most the Suaeda salsa marshes were in the medium vegetation coverage zone,which account for 81.14% of its total area,and 3.36% and 16.06% were distributed at the high vegetation coverage zone and the low vegetation coverage zone respectively.Most of the Spartina alterniflora marshes were distributed at the high vegetation coverage zone,accounting of 83.47% of its total area,and only 15.07% at the medium vegetation coverage zone,1.74% at the low vegetation coverage zone.In addition,most high vegetation coverage areas of wetlands were distributed at the middle location of each vegetation zone,and the Transition zone for each wetland type was usually with lower vegetation coverage level.
Key words:  Landscape ecology      Vegetation coverage      Remote sensing classification      Wetlands of Yancheng      
Received:  07 November 2012      Published:  14 March 2014
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  TP 79  
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Tan Qingmei
Liu Hongyu
Zhang Huabing
Wang Cong
Hou Minghang

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Tan Qingmei,Liu Hongyu,Zhang Huabing,Wang Cong,Hou Minghang. Classification of Vegetation Coverage of Wetland Landscape based on Remote Sensing in the Coastal Area of Jiangsu Province . Remote Sensing Technology and Application, 2013, 28(5): 934-940.

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http://www.rsta.ac.cn/EN/     OR     http://www.rsta.ac.cn/EN/Y2013/V28/I5/934

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