湄洲岛旅游度假区景观格局及优化调控
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摘要
在RS和GIS技术支持下,选用2016年Landsat8遥感影像,提取湄洲岛旅游度假区景观斑块数量、面积、周长等数据,剖析研究区景观格局现状与存在的问题.选取多样性指数、优势度指数、均匀度指数等7项指标分析、评价湄洲岛旅游度假区的景观格局.结果表明:湄洲岛旅游度假区的主导景观类型为建设用地、林地、草地和海滩,虽然草地和耕地的景观板块数量较多,但面积小、破碎化程度高,影响景观格局;景观多样性指数为1.54,优势度指数为0.46,均匀度指数为0.81,呈现多样性不高、优势度较大、均匀度较小等特点;提出多样性调控、优势度调控、均匀度调控、破碎度调控等调控措施,以促使景观格局达到理想状态.
The quantity,area,perimeter and some other data of the patches of landscape were extracted with GIS,RS technique based on the remote sensing data in 2016. Then the present situation and some problems of landscape pattern in tourist holiday zone of Meizhou Island were analyzed. The evaluation system were built by using 7 selected indicators including diversity index,dominance index and evenness index to analyze and evaluate ecology health of tourist holiday zone of Meizhou Island.The analysis results show that the main landscape type of this research area are construction land,woodland,lawn and sea beach. Though the number of the lawn and cultivated land is large,the area is small and the degree of fragmentation is high which influences the health of ecosystem greatly.The diversity index,dominance index and evenness index of landscape are 1.54,0.46 and 0.81,respectively,which indicate a low diversity index,large dominance index and small uniformity. Based on this situation,corresponded adjustment and control steps are put forward such as adjusting and controlling diversity,coverage,evenness and degree of fragmentation in order to bring the health of eco-system into an ideal state.
The quantity,area,perimeter and some other data of the patches of landscape were extracted with GIS,RS technique based on the remote sensing data in 2016. Then the present situation and some problems of landscape pattern in tourist holiday zone of Meizhou Island were analyzed. The evaluation system were built by using 7 selected indicators including diversity index,dominance index and evenness index to analyze and evaluate ecology health of tourist holiday zone of Meizhou Island.The analysis results show that the main landscape type of this research area are construction land,woodland,lawn and sea beach. Though the number of the lawn and cultivated land is large,the area is small and the degree of fragmentation is high which influences the health of ecosystem greatly.The diversity index,dominance index and evenness index of landscape are 1.54,0.46 and 0.81,respectively,which indicate a low diversity index,large dominance index and small uniformity. Based on this situation,corresponded adjustment and control steps are put forward such as adjusting and controlling diversity,coverage,evenness and degree of fragmentation in order to bring the health of eco-system into an ideal state.
引文
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[2] Fakultesi A.Impact of recreational trampling on the natural vegetation in Termessos National Park,Antalya Turkey[J].Tarim Bilimleri Dergisi,2009,15(3):249-258.
[3] Hamaide B,Sheerin J.Species protection from current reserves:economic and biological considerations,spatial issues and policy evaluation[J].Ecological Economics,2011,70(4):667-675.
[4]陈金华.旅游型海岛人地关系整合研究:以海峡西岸海岛为例[D].开封:河南大学,2010.
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[6]刘涛,孙忠林,孙林.基于最大似然法的遥感图像分类技术研究[J].福建电脑,2010(1):7-8.
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