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- Published by:
- Natural Resources Wales
- Last updated:
- 14 October 2025
This layer provides a Critical Level (CLe) for ammonia against which impacts on a SSSI should be assessed. The value is the lowest CLe for a feature on that site. The layer gives the SSSI name,...
- Published by:
- Environment Agency
- Last updated:
- 10 October 2025
The Environmental Permitting Regulations amongst other things implement the IPPC (Integrated Pollution Prevention and Control) Directive (EC/61/96) in England and Wales. Facilities covered by this...
- Published by:
- Natural Resources Wales
- Last updated:
- 31 March 2023
This layer provides a Critical Level (CLe) for ammonia against which impacts on a SSSI should be assessed. The value is the lowest CLe for a feature on that site. The layer gives the SSSI...
- Published by:
- Environment Agency
- Last updated:
- 04 March 2026
Ecological status classifications can be composed of up to five different assessments:
1. An assessment of status indicated by a biological quality element such as fish, invertebrates or algae.
2....
- Published by:
- Environmental Information Data Centre
- Last updated:
- 26 March 2026
This dataset contains daily measurements of river flow velocity (m/s), river discharge (m3/s), river depth (cm), and river width (m) from the Portoviejo River, Ecuador, from years 2021 and 2022....
- Published by:
- Environmental Information Data Centre
- Last updated:
- 26 March 2026
We surveyed two salt marshes in each of six estuaries (Solway, Morecambe Bay, Ribble, Humber, Blackwater, Chichester) between September and November 2024 to characterise national differences in...
- Published by:
- British Geological Survey (BGS)
- Last updated:
- 02 April 2026
This map layer represents an assessment of the vulnerability of groundwater within the uppermost aquifer. This classification was initially undertaken to support groundwater assessments undertaken...
- Published by:
- Environment Agency
- Last updated:
- 01 February 2023
PLEASE NOTE: THIS RECORD IS NOW RETIRED AND WILL NO LONGER BE UPDATED. This is a standalone dataset for 1992 to 2008 and there have been no updates to the data since its original publication. These...
- Published by:
- Joint Nature Conservation Committee
- Last updated:
- 01 July 2019
The habitats and communities of the marine inlets of south-west Britain have been the subject of various surveys, primarily the Harbours, Rias and Estuaries (HRE) programme commissioned by the then...
- Published by:
- Centre for Environmental Data Analysis
- Last updated:
- 19 June 2018
The Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE) was a 5-year Natural Environment Research Council (NERC) programme on tropospheric chemistry coordinated by the University of...
- Published by:
- Centre for Environmental Data Analysis
- Last updated:
- 17 July 2017
The Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE) was a 5-year Natural Environment Research Council (NERC) programme on tropospheric chemistry coordinated by the University of...
- Published by:
- Environment Agency
- Last updated:
- 09 June 2020
PLEASE NOTE: This dataset has been superseded by the 'Freshwater river macroinvertebrate surveys (Biosys)' dataset and is now Retired. As of March 2020 all data formerly available in 'Freshwater...
- Published by:
- Department for Environment, Food and Rural Affairs
- Last updated:
- 25 July 2025
Report contains data that can be used under Open Government Licence.
Main report and appendices all contain data and maps.
The aim of this project is to assess, through landscape-scale...
- Published by:
- Natural Resources Wales
- Last updated:
- 14 October 2025
Water Framework Directive (WFD) Groundwater bodies Cycle 1 is a spatial (polygon) dataset containing attributes that have been collated as defined for the implementation of the Water Framework...
- Published by:
- Natural Resources Wales
- Last updated:
- 14 October 2025
Water Framework Directive (WFD) Acid Sensitive Waterbodies Cycle 2 (2014 - 2019) is a spatial (polygon shapefile) dataset containing attributes that have been collated as defined, for the...
- Published by:
- Natural Resources Wales
- Last updated:
- 14 February 2023
Water Framework Directive (WFD) Acid Sensitive Waterbodies Cycle 2 (2014 - 2019) is a spatial (polygon shapefile) dataset containing attributes that have been collated as defined, for the...
- Published by:
- Environment Agency
- Last updated:
- 27 February 2026
The Environment Agency undertakes freshwater and marine biological monitoring in England.
This dataset contains site, sample, metric and taxa information from freshwater river macrophyte (plant)...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 11 March 2026
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...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 26 March 2026
This dataset contains information about meteorological conditions, soil parameters and water table depth at Whim Bog, an ombrotrophic heather-dominated bog near Edinburgh, Scotland. Meteorological...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 02 April 2026
This data set consists of freshwater pond quality data for sites across Wales between 2013 and 2016. Data include macrophyte species records, chemistry and water quality metrics, and environmental...
