aquatic ecological footprint
Background Ecological Footprint
cumulative ecological footprint of water resources
ecological footprint
生态足迹
生态足迹法
生态足迹分析
城市生态足迹
人均生态足迹
生态基区
生态空间
生态占用
生态踩占
ecological footprint demand
Ecological footprint diversity
ecological footprint EF
ecological footprint gravity
Ecological Footprint Index
ecological footprint intensity index
Ecological footprint investigation
Ecological footprint model
ecological footprint of cropland
ecological footprint per person
Ecological footprint per value
ecological footprint pressure index
Ecological Footprint Theory
Emergetic Ecological Footprint
emergy-based ecological footprint (EEF)
energy ecological footprint EEF