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• Freshwater river macroinvertebrate surveys (Biosys)

  The Environment Agency undertakes freshwater and marine biological monitoring in England.

  This dataset contains site, sample, metric and taxa information from freshwater river macroinvertebrate...

  • Published by: Environment Agency
  • Updated: 20 June 2024

• Historic GQA Headline Indicators of Water Courses - Biology

  This record is for Approval for Access product AfA161. The General Quality Assessment (GQA) Headline Indicator scheme or GQAHI (previously known as GQA) was the Environment Agency's national...

  • Published by: Environment Agency

• WFD Cycle 2 lake littoral invertebrates classification

  This dataset is a subset of "WFD Classification Status Cycle 2" and contains classification data for Macro-invertebrates in lakes. Lake acidification macro invertebrate metric (LAMM) is a species/...

  • Published by: Environment Agency

• WFD Cycle 2 River Ammonia Classification

  This dataset is a subset of the "WFD Classification Status Cycle 2" product. It contains summary data for the element ammonia for river water bodies, as used in the classification for Ecological...

  • Published by: Environment Agency