Query by Location - Results

Habitat: Dwarf Shrub Heath

Grid Reference: SK115996

Grid Easting: 412500 to the 5km mid point (metres)

Grid Northing: 397500 to the 5km mid point (metres)

Grid Easting: 411500 to the 1km mid point (metres)

Grid Northing: 399500 to the 1km mid point (metres)

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Pollutant: Ammonia

Critical Level: 1.0 - 3 µg m-3

Concentration: 0.76 µg m-3

Data Year: 2016 - 2018

Exceedance: [-0.24] to [-2.24] µg m-3

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Pollutant: N Deposition

Critical Load Range:
Dry heaths: 10 - 20 Kg N/ha/year
Northern wet heath: Calluna-dominated wet heath (upland moorland): 10 - 20 Kg N/ha/year
Northern wet heath: Erica tetralix dominated wet heath: 10 - 20 Kg N/ha/year

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

Deposition: 26.46 Kg N/ha/year

Data Year: 2016 - 2018

Exceedance Ranges:
Dry heaths [16.46] to [6.46] Kg N/ha/year
Northern wet heath: Calluna-dominated wet heath (upland moorland) [16.46] to [6.46] Kg N/ha/year
Northern wet heath: Erica tetralix dominated wet heath [16.46] to [6.46] Kg N/ha/year

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Pollutant: Nitrogen Oxides

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

Concentration: 9.45 µg NOx (as NO2) m-3

Data Year: 2016 - 2018

Exceedance: -20.55 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: 1096.96 ppb hours

Data Year: 2007 - 2012

Exceedance: -3903.04 ppb hours

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Pollutant: Sulphur Dioxide

Critical Level: 20 µg m-3

Concentration: 1.07 µg m-3

Data Year: 2016 - 2018

Exceedance: -18.93 µg m-3

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Pollutant: Acid Deposition

Critical Load Class & Values:
Class: Dwarf shrub heath
CLmaxS: 0.27 CLminN: 0.642 CLmaxN: 0.912 (keq/ha/yr)

Deposition: 1.92 (N: 1.89 | S: 0.42) (keq/ha/yr)

Data Year: 2016 - 2018

Exceedance: