Abstract
Water quality and basin ecological environment are seriously threatened by development around the lake. The thesis intends to assess basin land use and land cover changes impact on water quality in Fuxian Lake. To achieve this purpose, six periods Landsat images from 1990 to 2016 were used. By using remote sensing and GIS software, the five images were classified into six land use classes. The water quality information was obtained by investigation and collection. Correlation coefficient between LUCC and water quality was celebrated based on SPSS software. The results revealed that, the study area underwent an increase in construction land and farm land with the region development; but forest land and grassland are gradually reduced. In addition, potassium permanganate index is gradually increased. Furthermore, total nitrogen is significantly positively correlated with farmland and construction land, negatively correlated with forest land and grass land. In the final part of the thesis, it is believed that a series land use and land cover changes has happened due to development of Lake Basin, which poses a serious threat to water quality.
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