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- Environmental aspects1
- Environmental indicators1
- Eutrophication1
- Fertilization1
- Freshwater invertebrates2
- Habitat1
- Habitat (Ecology)1
- Handbooks, manuals, etc1
- Indicators (Biology)1
- Lakes1
- Molecular biology1
- Nutrient pollution of water1
- Organic compounds1
- River sediments1
- Stream ecology1
- Trace elements1
- Water quality4
- Water quality bioassay1
- Water quality biological assessment[remove]10