Headwater stream quality for Britain

• Published by: Environmental Information Data Centre
• Last updated: 16 February 2023
• Topic: Not added
• Licence: Other Licence ; View licence information

Summary

Data consist of modelled estimates of observed/expected Biological Monitoring Working Party (an index for measuring the biological quality of rivers using selected families of macroinvertebrates as biological indicators) scores for freshwater streams across Great Britain (GB). The BMWP scores (1-10) are based on the principle that macroinvertebrates differ in their perceived sensitivity or tolerance to organic pollution (i.e. nutrient enrichment). Values greater than 1 indicate high water quality. Data pooled across two survey years (1998 and 2007) was used to model the relationships between headwater stream quality and catchment/stream characteristics for headwater streams across GB based on known relationships for headwater streams in Countryside Survey squares. Modelled estimates of stream water quality were based on a Boosted Regression Tree modelling approach . Full details about this dataset can be found at https://doi.org/10.5285/85e7beb6-e031-4397-a090-841b8c907d1b

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Related datasets

• Headwater stream quality metrics from the Glastir Monitoring and Evaluation Programme, Wales 2013-2016
• Headwater stream macrophyte data 2007 [Countryside Survey]
• Headwater stream macrophyte data 1998 [Countryside Survey]
• Headwater stream water chemistry data 1998 [Countryside Survey]

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Data links

Link to the data	Format	File added	Data preview
Supporting information	ZIP	16 February 2023	Not available
Download the data	N/A	16 February 2023	Not available

Additional information

View additional metadata

• Added to data.gov.uk: 2021-06-25T18:43:17
• Access contraints: © Natural England
• Harvest GUID: 85e7beb6-e031-4397-a090-841b8c907d1b
• Extent: Latitude: 60.861° to 49.864°
• Extent: Longitude: -8.648° to 1.768°
• Dataset reference date: 2016-02-04 (publication)
• Frequency of update: notPlanned
• Responsible party: UK Centre for Ecology & Hydrology (pointOfContact); Centre for Ecology & Hydrology (author); NERC Environmental Information Data Centre (publisher); NERC EDS Environmental Information Data Centre (custodian); Natural England (owner)
• ISO 19139 resource type: dataset
• Metadata language: eng
• Source Metadata: XML
• Source Metadata: HTML

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