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NI Water AIR21 Security of Supply Index - Critical Period 2020 2021

• Published by: OpenDataNI
• Last updated: 02 August 2023

NI Water Annual Information Return 2020 2021 Table 10a (iii) Non Financial Measures Security of Supply Index - Critical Period

Database of critical oxygen level (Pcrit) in freshwater and marine fishes 1974 - 2015

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

This is a comprehensive database of critical oxygen (Pcrit) values from freshwater, marine and euryhaline teleost fish compiled from published literature. The database incorporates 331...

Database of critical oxygen level (Pcrit) in freshwater and marine fishes 1974 - 2015

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 July 2024

This is a comprehensive database of critical oxygen (Pcrit) values from freshwater, marine and euryhaline teleost fish compiled from published literature. The database incorporates 331...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for 2013-15

• Published by: Environmental Information Data Centre
• Last updated: 19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2015-2017

• Published by: Environmental Information Data Centre
• Last updated: 19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2014-2016

• Published by: Environmental Information Data Centre
• Last updated: 19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2019-2021

• Published by: Environmental Information Data Centre
• Last updated: 19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2018-2020

• Published by: Environmental Information Data Centre
• Last updated: 19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 04 December 2021

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 11 December 2021

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 05 June 2021

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 20 December 2021

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 15 August 2022

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 21 March 2022

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 07 August 2021

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 27 July 2024

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 21 July 2025

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Agricultural Critical Risk Areas

• Published by: OpenDataNI
• Last updated: 30 December 2025

The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored against a matrix of...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2016-2018

• Published by: Environmental Information Data Centre
• Last updated: 19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...

Average Accumulated Exceedance (AAE) of critical loads of acidity and nutrient nitrogen by acid and nitrogen deposition for the UK, 2017-2019

• Published by: Environmental Information Data Centre
• Last updated: 19 November 2025

This data resource consists of two files: (a) 1x1 km resolution Average Accumulated Exceedance (AAE) data summarising the exceedances of acidity critical loads for eight habitats; (b) 1x1 km...