Ecosystems 143 Biodiversity 114 Conservation 96 biodiversity 67 Forestry 59 China 51 Ecological science, the Biosphere 45 Research & information: general 42 Conservation of the environment 41 Climate change 38 Biology, life sciences 37 Indicator indicator 35 Land use 35 climate change 33 ecosystem service 32 Ecosystem services 31 conservation management 29 Environmental management 24 Research and information: general 22 conservation status 22 Restoration 21 Soil conservation 21 Remote sensing 19 Sustainability 19 species richness 19 Vegetation 18 spatiotemporal analysis 18 species diversity 18 Wetlands 17 anthropogenic effect 17