Query by Location - Results

Habitat: Coniferous woodland

Grid Reference: SH678238

Grid Easting: 267500 to the 1km mid point (metres)

Grid Northing: 323500 to the 1km mid point (metres)

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Pollutant: Ammonia

Critical Level: 1.0 - 3 µg m-3

Concentration: 0.81 µg m-3

Data Year: 2018 - 2020

Exceedance: [-0.19] to [-2.19] µg m-3

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Pollutant: N Deposition

Critical Load Range:
Coniferous woodland: 5 - 15 Kg N/ha/year
Pinus sylvestris woodland south of taiga: 5 - 15 Kg N/ha/year

For applying the best indicative critical load values for use in impact assessments please visit the following page.

Deposition: 18.92 Kg N/ha/year

Data Year: 2018 - 2020

Exceedance Ranges:
Coniferous woodland [13.92] to [3.92] Kg N/ha/year
Pinus sylvestris woodland south of taiga [13.92] to [3.92] Kg N/ha/year

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Pollutant: Nitrogen Oxides

Critical Level: 30 µg NOx (as NO2) m-3

Concentration: 3.3 µg NOx (as NO2) m-3

Data Year: 2018 - 2020

Exceedance: -26.7 µg NOx (as NO2) m-3

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Pollutant: Ozone

Critical Level: 5000 ppb hours (6 months growing season April to September)

Exposure: 4250.27 ppb hours

Data Year: 2007 - 2012

Exceedance: -749.73 ppb hours

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Pollutant: Sulphur Dioxide

Critical Level: 20 µg m-3

Concentration: 0.43 µg m-3

Data Year: 2018 - 2020

Exceedance: -19.57 µg m-3

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Pollutant: Acid Deposition

Critical Load Class & Values:
Class: Broadleafed/Coniferous unmanaged woodland
CLmaxS: 1.546 CLminN: 0.142 CLmaxN: 1.688 (keq/ha/yr)

Deposition: 1.41 (N: 1.35 | S: 0.19) (keq/ha/yr)

Data Year: 2018 - 2020

Exceedance: