Habitat: Dwarf Shrub Heath
Grid Reference: IJ304245
Grid Easting: 140500 to the 1km mid point (metres)
Grid Northing: 481500 to the 1km mid point (metres)
____________________________________________________________________________________
Pollutant: Ammonia
Critical Level:
1.0 - 3 µg m-3
Concentration: 1.14 µg m-3
Data Year: 2019 - 2021
Exceedance: [0.14] to [-1.86] µg m-3
____________________________________________________________________________________
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: 23.34 Kg N/ha/year
Data Year: 2019 - 2021
Exceedance Ranges:
Arctic, alpine and subalpine scrub habitats [18.34] to [13.34] Kg N/ha/year
Dry heaths [18.34] to [8.34] Kg N/ha/year
Northern wet heath: U? Callunadominated wet heath (upland) [18.34] to [8.34] Kg N/ha/year
Northern wet heath: `L? Erica tetralixdominated wet heath (lowland) [18.34] to [8.34] Kg N/ha/year
____________________________________________________________________________________
Pollutant: Nitrogen Oxides
Critical Level: 30 µg NOx (as NO2) m-3
Concentration: 4.1 µg NOx (as NO2) m-3
Data Year: 2019 - 2021
Exceedance: -25.9 µg NOx (as NO2) m-3
____________________________________________________________________________________
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: 629.77 ppb hours
Data Year: 2007 - 2012
Exceedance: -4370.23 ppb hours
____________________________________________________________________________________
Pollutant: Sulphur Dioxide
Critical Level: 20 µg m-3
Concentration: 0.45 µg m-3
Data Year: 2019 - 2021
Exceedance: -19.55 µg m-3
____________________________________________________________________________________
Pollutant: Acid Deposition
Critical Load Class & Values:
Class: Dwarf shrub heath
CLmaxS: 0.5 CLminN: 0.643 CLmaxN: 1.143 (keq/ha/yr)
Deposition: 1.6 (N: 1.67 | S: 0.17) (keq/ha/yr)
Data Year: 2019 - 2021
Exceedance: