Habitat: Dwarf Shrub Heath
Grid Reference: NH881045
Grid Easting: 288500 to the 1km mid point (metres)
Grid Northing: 804500 to the 1km mid point (metres)
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Pollutant: Ammonia
Critical Level:
1.0 - 3 µg m-3
Concentration: 0.16 µg m-3
Data Year: 2020 - 2022
Exceedance: [-0.84] to [-2.84] 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: 5.93 Kg N/ha/year
Data Year: 2020 - 2022
Exceedance Ranges:
Arctic, alpine and subalpine scrub habitats [0.93] to [-4.07] Kg N/ha/year
Dry heaths [0.93] to [-9.07] Kg N/ha/year
Northern wet heath: U? Callunadominated wet heath (upland) [0.93] to [-9.07] Kg N/ha/year
Northern wet heath: `L? Erica tetralixdominated wet heath (lowland) [0.93] to [-9.07] Kg N/ha/year
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Pollutant: Nitrogen Oxides
Critical Level: 30 µg NOx (as NO2) m-3
Concentration: 0.78 µg NOx (as NO2) m-3
Data Year: 2020 - 2022
Exceedance: -29.22 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: 709.99 ppb hours
Data Year: 2007 - 2012
Exceedance: -4290.01 ppb hours
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Pollutant: Sulphur Dioxide
Critical Level: 20 µg m-3
Concentration: 0.29 µg m-3
Data Year: 2020 - 2022
Exceedance: -19.71 µg m-3
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Pollutant: Acid Deposition
Critical Load Class & Values:
Class: Dwarf shrub heath
CLmaxS: 0.4 CLminN: 1.035 CLmaxN: 1.435 (keq/ha/yr)
Deposition: 0.43 (N: 0.42 | S: 0.09) (keq/ha/yr)
Data Year: 2020 - 2022
Exceedance: