松花江流域水生态功能分区研究: 应用手册

Mark- och miljövetenskap

• zoning 100%
• river basin 80%
• zoning system 62%
• book 39%
• river 18%
• ecology 17%
• agriculture 15%
• water resources management 14%
• basin 14%
• mountain 14%
• forestry 13%
• technical instructions 12%
• protocol 12%
• water resource 11%
• watershed 10%
• river basin management 9%
• planning 9%
• watershed management 8%
• redevelopment 8%
• built-up area 8%
• environmental stress 8%
• methodology 8%
• environmental science 8%
• industrial development 8%
• mixed forest 8%
• physical environment 8%
• land 8%
• policy making 8%
• modernization 8%
• temperate forest 8%
• swamp 7%
• convention 7%
• project 7%
• systems analysis 7%
• steppe 7%
• meadow 7%
• pollution control 7%
• marsh 7%
• water pollution 7%
• research project 7%
• livestock 7%
• natural environment 6%
• environmental protection 6%
• floodplain 6%
• tributary 6%
• pine 6%
• border 6%
• hydrology 6%
• urbanization 6%
• socioeconomics 6%
• sound 6%
• sustainable development 6%
• restoration 5%
• decision making 5%
• organization 5%
• regulation 5%