dataset · United Kingdom
Government / regulator
Critical loads of acidity and nutrient nitrogen for UK habitats
The data provide critical loads of acidity, and of nutrient nitrogen for the distributions of UK habitats sensitive to acidification and/or eutrophication. Critical loads have been calculated and applied to UK natural and semi-natural habitats sensitive to acidification and/or eutrophication (excess nitrogen as a nutrient). Critical loads data are available for these habitat types at 1x1 km resolution for the UK. In addition, acidity critical loads are available for 1752 selected freshwater site
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What's in it
- Data offered docs-verified
- critical loads of acidity for UK habitats · critical loads of nutrient nitrogen for UK habitats · acidity critical loads for 1752 selected freshwater sites
- Coverage docs-verified
- United Kingdom · 2004-01-01 to 2011-12-31
- Resolution docs-verified
- 1 km (1x1 km grid; 1000 m spatial resolution)
- Update frequency docs-verified
- No update schedule stated; acidity last revised 2004, nutrient nitrogen updated 2011
- Formats docs-verified
- CSV
- Access docs-verified
- Open Government Licence; download from NERC EIDC, scripted bulk download uses a personal access token
Useful for
- Use cases llm-inferred
- Habitat sensitivity screening for acid and nitrogen deposition in ecological baseline or HRA screening · Freshwater acidity baseline using FAB-derived critical loads for surface waters in acid-sensitive regions · Nitrogen and acid deposition sensitivity context for planning applications affecting semi-natural habitats
- Audience llm-inferred
- ecologists · environmental consultants · planners · GIS analysts · hydrologists
Limitations
- Constraints llm-inferred
- Data dated: acidity critical loads last revised 2004, nutrient nitrogen 2011 · Habitat maps cover only areas where critical loads can be calculated and may differ from other national habitat maps · Habitat distributions based on CEH Land Cover Map 2000 plus ancillary data · Freshwater acidity critical loads cover only 1752 selected sites, not all UK surface waters · Tabular CSV (text) rather than a spatial file; grid referenced to OSGB 1936 / British National Grid · Scripted bulk download requires a personal access token
- Licence
- Open government licence
- Authentication
- Unknown — review source docs
- GitHub stars
- Unknown
- Last commit
- Unknown
- Last successful page check
- 16/10/2026
- Page health
- healthy
- Package
- Not recorded
- Verification
- Not independently verified
Provenance & evidence
Listed in ukceh-eidc public catalogue API on 2026-10-16; relevance/value screened (haiku).
Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (ukceh-eidc)