Habitat: Dwarf Shrub Heath
Grid Reference: ID173297
Grid Easting: 134500 to the 1km mid point (metres)
Grid Northing: 587500 to the 1km mid point (metres)
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Pollutant: Ammonia
Critical Level:
1.0 - 3 µg m-3
Concentration: 0.75 µg m-3
Data Year: 2020 - 2022
Exceedance: [-0.25] to [-2.25] µg m-3
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Pollutant: N Deposition
Critical Load Range:
Arctic, alpine and subalpine scrub habitats : 5 - 10 Kg N/ha/year
Dry heaths: 5 - 15 Kg N/ha/year
Northern wet heath: U? Callunadominated wet heath (upland): 5 - 15 Kg N/ha/year
Northern wet heath: `L? Erica tetralixdominated wet heath (lowland): 5 - 15 Kg N/ha/year
Deposition: 11.05 Kg N/ha/year
Data Year: 2020 - 2022
Exceedance Ranges:
Arctic, alpine and subalpine scrub habitats [6.05] to [1.05] Kg N/ha/year
Dry heaths [6.05] to [-3.95] Kg N/ha/year
Northern wet heath: U? Callunadominated wet heath (upland) [6.05] to [-3.95] Kg N/ha/year
Northern wet heath: `L? Erica tetralixdominated wet heath (lowland) [6.05] to [-3.95] Kg N/ha/year
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Pollutant: Nitrogen Oxides
Critical Level: 30 µg NOx (as NO2) m-3
Concentration: 2.54 µg NOx (as NO2) m-3
Data Year: 2020 - 2022
Exceedance: -27.46 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: 527.33 ppb hours
Data Year: 2007 - 2012
Exceedance: -4472.67 ppb hours
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Pollutant: Sulphur Dioxide
Critical Level: 20 µg m-3
Concentration: 0.32 µg m-3
Data Year: 2020 - 2022
Exceedance: -19.68 µg m-3
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Pollutant: Acid Deposition
Critical Load Class & Values:
Class: Dwarf shrub heath
CLmaxS: 0.639 CLminN: 0.643 CLmaxN: 1.281 (keq/ha/yr)
Deposition: 0.85 (N: 0.79 | S: 0.09) (keq/ha/yr)
Data Year: 2020 - 2022
Exceedance: