Table 1 Description and source of evaluation indexes.
Indicator | Method and explanation | Data sources |
|---|---|---|
Land-use types | 125/38, 126/38 of Landsat 5 TM/Landsat 8 OLI image interpretation in 1996, 2007, 2018 Five categories: forest land; grassland; cultivated land; construction land; and water bodies | Website of the United States Geological Survey (USGS) (http://glovis.usgs.gov/) |
Slope | Extracted from the digital elevation model (DEM) | Website of USGS (http://glovis.usgs.gov/) |
Aspect | Extracted from the digital elevation model (DEM) | |
Surface relief | Maximum elevation value − minimum elevation value in unit area | |
Vegetation coverage | Mixed pixel decomposing model | Website of USGS (http://glovis.usgs.gov/) |
Average annual temperature | Spatial interpolation combined with regression equation calculation and interpolation residuals | Website of the China Meteorological Administration (http://data.cma.cn/) |
Annual precipitation | ||
Population density | Population/land area | Shennongjia Bureau of Statistics |
Local fiscal revenue per capita | Local fiscal revenue/population | |
Water distribution | Mapping of field research and historical data | Shennongjia Bureau of Water Resources and Lakes |
Surface water resources | Monitoring statistics | |
Quality of surface water | Monitoring statistics | |
Industrial wastewater discharge | Monitoring statistics | |
Domestic sewage discharge | Monitoring statistics | |
Annual tourist reception | According to Shennongjia tourism management report statistics | Shennongjia Bureau of Culture and Tourism |
National park policy | Organized according to field research and data collection | Shennongjia National Park Administration |
Nature reserve policy |
