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Position: Home > Articles > Dynamic Changes of Coastal Protective Forests on Daishan Island from SPOT5 Imagery Journal of Zhejiang Forestry Science and Technology 2013 (5) 62-66

基于SPOT5的岱山岛沿海防护林动态监测

作  者:
张艳;郭彦茹;张晓勉;高智慧;岳彩荣;郭志华
单  位:
中国林业科学研究院湿地研究所;浙江省林业技术推广总站;浙江省林业科学研究院;西南林业大学
关键词:
沿海防护林;变化监测;面向对象分类;SPOT5
摘  要:
利用2003年、2011年两期SPOT5遥感数据,对岱山岛沿海沿海防护林的现状和近8年来的动态进行遥感监测。结果表明:面向对象分类方法的沿海防护林分类精度达85.2%,kappa系数为0.81;2011年,岱山岛沿海防护林主要以混交林为主,其次是常绿阔叶林和针叶林,分别占75%、10%和4%;2003-2011年,岱山岛的常绿阔叶林和针叶林面积分别减少50%和22%,而混交林面积增加20%,部分防护林开发为建筑用地,沙质海岸新增木麻黄(Casuarina equisetifolia)防护林带。
译  名:
Dynamic Changes of Coastal Protective Forests on Daishan Island from SPOT5 Imagery
作  者:
ZHANG Yan;GUO Yan-ru;ZHANG Xiao-mian;GAO Zhi-hui;YUE Cai-rong;GUO Zhi-hua;Southwest Forestry University;Institute of Wetland Research,CAF;Zhejiang Forestry Academy;Zhejiang Forestry Extension Station;
关键词:
coastal protective forest;;dynamic change;;object-oriented classification;;SPOT5
摘  要:
Changes of coastal protective forest in Daishan Island of Zhejiang province were determined based on SPOT 5 imagery in 2003 and 2011. The result demonstrated that the accuracy of object-oriented classification approach for the forests topped to 85.2% with Kappa coefficient of 0.81. The result indicated that in 2011, coastal protective forest in Daishan was dominated by mixed forest(75%), followed by evergreen broad-leaved forest(10%)and coniferous forest(4%). During 2003-2011, the areas of evergreen broad-leaved and coniferous forest reduced by 50% and 22%, while that of mixed forest increased by 20%.

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