Abstract
We used the remote sensing images of 2001, 2005 and 2010, statistics of reservoir water quality, air quality data, precipitation data and population data to evaluate and analyze the ecological environment quality of Laoshan Natural Reserve. In this decade, the ecological environment of tourism scenic area in Laoshan Natural Reserve becomes significantly better than that of the surrounding area, and it is the urban sprawl and increase of cultivated land area that resulted in the reduction of the scenic plants; Reservoir water quality was stable, but PH value and total nitrogen content still did not meet the standards because of the use of the sewage and pesticide fertilizer in the neighborhood; Air quality decreased slightly, however, the situation of acid rain had improved; Residential population continued to grow in Laoshan district and scenic tourists have increased, so human activity has become the main impacting factor of ecological environment of Laoshan Natural Reserve.
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