Abstract
The landscape pattern is often obviously changed at the disturbed area of the large hydropower projects. The landscape pattern of Xiangjiaba hydropower project was analyzed using the geographic information systems technology and the method of landscape pattern index to uncover the effect of hydropower project. Based on the data of GPS, aerial photography pictures and field investigation at Xiangjiaba hydropower’ disturbed area in 2012, the map of landscape pattern and land use was drawn using ArcGIS 10.0, and landscape pattern index was figured out using FRAGSTATS 4.0. The result showed that the total landscape was heterogeneous with 10 kinds of patch types at the disturbed area of Xiangjiaba hydropower project. These patches were ranked by area as: woodlands> farmland> township and village > river >engineering land > shrubs> abandoned land> artificial grassland> waters > open forests. The dominated landscape patch was woodlands with the largest area. The artificial grassland, farmland, engineering land, and woodland were fragmented seriously with high under the influence of human activity and natural condition.
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