1. Department of Geography, College of Sciences, Yanbian University, Yanji 133002, China 2. Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
The assessment of habitat quality has important implications for the biodiversity conservation. It can provide scientific basis for the restoration and protection of the ecological environment and the formulation of regional sustainable development policies. Taking the east of Jilin Province as the study area and based on Landsat TM/OLI images and digital elevation model (DEM) data in 2000 and 2015, the authors selected water situation, degree of disturbance, shelters, and food source as evaluation factors. In addition, the analytic hierarchy process (AHP) was used to determine the weight, thus establishing a habitat quality evaluation model and making a dynamic assessment of the habitat quality in the eastern part of Jilin Province. Moreover, the reasons for change were analyzed from the aspects of assessment factors, land cover changes, social economy, and climate change. The results show that the areas of the best and better habitat quality in 2000 accounted for 37.69% and 46.88% of the study area respectively. The areas of the best and better habitat quality in 2015 accounted for 41.20% and 44.66% of the study area respectively. From 2000 to 2015, the area of habitat quality that got better was 9 414.19 km 2, and the area of habitat quality got worse, being 5 627.5 km 2. Land cover change is one of the causes of habitat quality change, and the vigorous development of eco-tourism and returning farmland to forests in Jilin Province constitute the main driving forces for improving the quality of the habitats. The suitable climatic conditions provide a powerful guarantee for the long-term stability of the ecological environment in the eastern part of Jilin Province.
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2019, Vol. 31 
), 任春颖2, 王宗明2, 田艳林2
