Landsat TM/ETM+ and Alos remote sensing data of the study area in 1991, 2001 and 2010 were interpreted by using object-oriented RS image extraction technology, landscape ecology theories were applied as well as GIS an...Landsat TM/ETM+ and Alos remote sensing data of the study area in 1991, 2001 and 2010 were interpreted by using object-oriented RS image extraction technology, landscape ecology theories were applied as well as GIS and FRAGSTATS4.1 to choose reasonable landscape indexes for studying temporal-spatial changes of suburban landscape layouts of Haikou City, exploring spatial features and change tendency of rural landscapes. According to the results, tropical garden landscapes have taken a dominant status in the last 2 decades; tropical farmland landscapes have had the most complicate shapes; tropical open forest landscapes have been most influenced by human interventions but had the best connectivity and high degree of concentration; tropical settlement landscapes and tropical meadow landscapes have been widely scattered with poor connectivity; landscape connectivity has been well maintained; contagion index has changed slightly, landscape equilibrium has been stable; landscape diversity has been maintained, all landscape types have been evenly distributed, landscape fragmentation has increased, and landscape heterogeneity has grown.展开更多
基金Supported by Hainan Natural Science Foundation (80526, 411097)
文摘Landsat TM/ETM+ and Alos remote sensing data of the study area in 1991, 2001 and 2010 were interpreted by using object-oriented RS image extraction technology, landscape ecology theories were applied as well as GIS and FRAGSTATS4.1 to choose reasonable landscape indexes for studying temporal-spatial changes of suburban landscape layouts of Haikou City, exploring spatial features and change tendency of rural landscapes. According to the results, tropical garden landscapes have taken a dominant status in the last 2 decades; tropical farmland landscapes have had the most complicate shapes; tropical open forest landscapes have been most influenced by human interventions but had the best connectivity and high degree of concentration; tropical settlement landscapes and tropical meadow landscapes have been widely scattered with poor connectivity; landscape connectivity has been well maintained; contagion index has changed slightly, landscape equilibrium has been stable; landscape diversity has been maintained, all landscape types have been evenly distributed, landscape fragmentation has increased, and landscape heterogeneity has grown.
