Study areas China 9 Ecology 6 Indicator indicator 5 Remote sensing 5 Biodiversity 4 Ecosystems 4 Soils 4 Climate change 3 Decision making 3 Geographic information systems 3 Mapping 3 NDVI 3 Normalized difference vegetation index 3 Organic carbon 3 Reforestation 3 Spatial distribution 3 Wind 3 climate change 3 spatial distribution 3 spatiotemporal analysis 3 Autocorrelation 2 Biogeochemistry 2 Bituminous materials 2 Breakpoint 2 Buried organic carbon 2 Climate 2 Conservation 2 Decision trees 2 Deep neural networks 2