Habitat: Acid grassland
Grid Reference: SX579686
Grid Easting: 257500 to the 1km mid point (metres)
Grid Northing: 68500 to the 1km mid point (metres)
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Pollutant: Ammonia
Critical Level:
1.0 - 3 µg m-3
Concentration: 0.85 µg m-3
Data Year: 2019 - 2021
Exceedance: [-0.15] to [-2.15] µg m-3
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Pollutant: N Deposition
Critical Load Range:
Temperate and boreal moist and wet oligotrophic grasslands : 10 - 20 Kg N/ha/year
Moist or wet mesotrophic to eutrophic hay meadow: 15 - 25 Kg N/ha/year
Non-mediterranean dry acid and neutral closed grassland: 6 - 10 Kg N/ha/year
Temperate acidophilous alpine grasslands : 5 - 10 Kg N/ha/year
Deposition: 15.4 Kg N/ha/year
Data Year: 2019 - 2021
Exceedance Ranges:
Temperate and boreal moist and wet oligotrophic grasslands [5.4] to [-4.6] Kg N/ha/year
Moist or wet mesotrophic to eutrophic hay meadow [0.4] to [-9.6] Kg N/ha/year
Non-mediterranean dry acid and neutral closed grassland [9.4] to [5.4] Kg N/ha/year
Temperate acidophilous alpine grasslands [10.4] to [5.4] Kg N/ha/year
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Pollutant: Nitrogen Oxides
Critical Level: 30 µg NOx (as NO2) m-3
Concentration: 4.55 µg NOx (as NO2) m-3
Data Year: 2019 - 2021
Exceedance: -25.45 µg NOx (as NO2) m-3
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Pollutant: Ozone
Critical Level: 5000 ppb hours (based on(Semi-)natural vegetation communities dominated by perennials, 6 month growing season mid April- mid October)
Exposure: 1917.03 ppb hours
Data Year: 2007 - 2012
Exceedance: -3082.97 ppb hours
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Pollutant: Sulphur Dioxide
Critical Level: 20 µg m-3
Concentration: 0.57 µg m-3
Data Year: 2019 - 2021
Exceedance: -19.43 µg m-3
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Pollutant: Acid Deposition
Critical Load Class & Values:
Class: Acid grassland
CLmaxS: 0.49 CLminN: 0.366 CLmaxN: 0.856 (keq/ha/yr)
Deposition: 1.15 (N: 1.1 | S: 0.18) (keq/ha/yr)
Data Year: 2019 - 2021
Exceedance: