Study on ancient village and town landscape ecological risk in 
Taihu Scenic Area

doi:10.3969/j.issn.1000-2006.201702034

Study on ancient village and town landscape ecological risk in Taihu Scenic Area

TANG Xiaolan, BAO Wenyuan, JIA Yanyan, LIU Debao

Journal of Nanjing Forestry University (Natural Sciences Edition） ›› 2018, Vol. 42 ›› Issue (02) : 105-112.

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Journal of Nanjing Forestry University (Natural Sciences Edition） ›› 2018, Vol. 42 ›› Issue (02) : 105-112. DOI: 10.3969/j.issn.1000-2006.201702034

Study on ancient village and town landscape ecological risk in Taihu Scenic Area

TANG Xiaolan, BAO Wenyuan, JIA Yanyan, LIU Debao

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Abstract

【Objective】A comprehensive landscape ecological risk assessment was conducted using an ecological risk index, finally revealing the spatial distribution and time-series change in landscape ecological risk. 【Method】Based on GIS,RS and landscape ecology analysis of the study area in Jinting town in Taihu Lake Scenic Area, the study analyzed and interpreted remote-sensing images of Jinting town from three periods in 2006, 2010 and 2014 regarding changes in landscape pattern. 【Result】The results showed that the spatial difference in landscape ecological risk was obvious and low ecological risk was mainly observed in the southeast and northeast area of Xishan Island, whose area percentage increased from 22.76% in 2006 to 30.48% in 2014; extremely low ecological risk was mainly observed in the area surrounding the low-ecological-risk area, whose area percentage decreased from 16.10% in 2006 to 14.13% in 2014; moderate ecological risk was mainly observed at the center of Xishan Island, whose area percentage increased from 33.29% in 2006 to 34.71% in 2014; extremely high ecological risk was mainly observed in the southern aquacultural zone by stacking direction, in northern Hengshan Island, Shaoshan Island, Yinshan Island and other Hengshan Islands region, and the southern part of the land and the area surrounding the ancient village and Xishan town were included, whose area percentage decreased from 10.72% in 2006 to 8.33% in 2014; the areas of high ecological risk, mainly including Xishan town and the area along the island waters, was similar to the higher-ecological risk areas in the three periods, and surrounded by the extremely-high-ecological-risk areas, whose area percentage decreased from 17.13% in 2006 to 12.35% in 2014. 【Conclusion】For the entire study area, the overall risk level hardly changed and the overall risk level showed a downward trend; however, the risk of the ancient village and town is increasing.

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TANG Xiaolan, BAO Wenyuan, JIA Yanyan, LIU Debao. Study on ancient village and town landscape ecological risk in Taihu Scenic Area[J]. Journal of Nanjing Forestry University (Natural Sciences Edition）. 2018, 42(02): 105-112 https://doi.org/10.3969/j.issn.1000-2006.201702034

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