生物不能生活的环境条件
non-living environ-mental condition of organisms
淡水水生生物
Freshwater aquatic organisms
华中师范大学城市水环境生态学湖北省重点实验室
Hubei Key Lab of Urban Water Environmental Ecology
central china normal university
水环境生态
water environment ecology
水环境生态安全
Water environmental ecological security
Ecological security of water environment
水环境生态系统
Eco-system of water environment
水生环境
aquatic environment
water ecologic environment