1. State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Changchun 130117, China; 2. School of Environment, Northeast Normal University, Changchun 130117, China; 3. Jilin Longwan National Nature Reserve Authority, Tonghua 134000, China
Abstract：Forested wetland is an important type of wetlands. Because of its complex community structure, mapping forested wetland becomes one of challenging issues in wetland research. In this paper, research conclusions published in relevant literatures were analyzed, and then a review of methods for mapping forested wetlands was made from the angles of geographical biological environment, images characteristics and images mapping units. In addition, the basic features of different mapping methods of forested wetlands by remote sensing were presented, and some possible trends of future research were preliminarily predicted. According to understory hydrological inversion, the mapping methods based on geographical biological environment mainly include the hydrogeomorphy- based method and the optical and microwave remote sensing -based classification method, whereas methods based on features of images include decision tree based on radar statistical backscatter characteristics, random forest decision tree and aerial photograph interpretation, which provide data and technical supports for tapping comparing and assessing information, thus conducive to further development of mapping methods. From the angle of imagery interpretation units, the forested wetland mapping methods have undergone the development from per-pixel classification to object-oriented classification.
严婷婷, 边红枫, 廖桂项, 盛连喜, 张吉顺, 高明辉. 森林湿地遥感信息提取方法研究现状[J]. 国土资源遥感, 2014, 26(2): 11-18.
YAN Tingting, BIAN Hongfeng, LIAO Guixiang, SHENG Lianxi, ZHANG Jishun, GAO Minghui. Research status of methods for mapping forested wetlands based on remote sensing. REMOTE SENSING FOR LAND & RESOURCES, 2014, 26(2): 11-18.
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2014, Vol. 26 
