Query by Location - Results

Habitat: Acid grassland

Grid Reference: SN824853

Grid Easting: 282500 to the 5km mid point (metres)

Grid Northing: 287500 to the 5km mid point (metres)

Grid Easting: 282500 to the 1km mid point (metres)

Grid Easting: 285500 to the 1km mid point (metres)

____________________________________________________________________________________

Pollutant: Ammonia

Critical Level: 1.0 - 3 µg m-3

Concentration: 0.54 µg m-3

Data Year: 2014 - 2016

Exceedance: [1.0] to [-2.46] µg m-3

____________________________________________________________________________________

Pollutant: N Deposition

Critical Load Range:
Alpine and subalpine grasslands: 5 - 10 Kg N/ha/year
Moist and wet oligotrophic grasslands: Heath (Juncus) meadows and humid (Nardus stricta) swards: 10 - 20 Kg N/ha/year
Moist and wet oligotrophic grasslands: Molinia caerulea meadows: 15 - 25 Kg N/ha/year
Non-mediterranean dry acid and neutral closed grassland: 10 - 15 Kg N/ha/year
Alpine and subalpine grasslands: 5 - 10 Kg N/ha/year
Moist and wet oligotrophic grasslands: Heath (Juncus) meadows and humid (Nardus stricta) swards: 10 - 20 Kg N/ha/year
Moist and wet oligotrophic grasslands: Molinia caerulea meadows: 15 - 25 Kg N/ha/year
Non-mediterranean dry acid and neutral closed grassland: 10 - 15 Kg N/ha/year

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

Deposition: 16.38 Kg N/ha/year

Data Year: 2014 - 2016

Exceedance Ranges:
Alpine and subalpine grasslands [11.38] to [6.38] Kg N/ha/year
Moist and wet oligotrophic grasslands: Heath (Juncus) meadows and humid (Nardus stricta) swards [6.38] to [-3.62] Kg N/ha/year
Moist and wet oligotrophic grasslands: Molinia caerulea meadows [1.38] to [-8.62] Kg N/ha/year
Non-mediterranean dry acid and neutral closed grassland [6.38] to [1.38] Kg N/ha/year
Alpine and subalpine grasslands [11.38] to [6.38] Kg N/ha/year
Moist and wet oligotrophic grasslands: Heath (Juncus) meadows and humid (Nardus stricta) swards [6.38] to [-3.62] Kg N/ha/year
Moist and wet oligotrophic grasslands: Molinia caerulea meadows [1.38] to [-8.62] Kg N/ha/year
Non-mediterranean dry acid and neutral closed grassland [6.38] to [1.38] Kg N/ha/year

____________________________________________________________________________________

Pollutant: Nitrogen Oxides

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

Concentration: 6.27 µg NOx (as NO2) m-3

Data Year: 2014 - 2016

Exceedance: -23.73 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: 1208.04 ppb hours

Data Year: 2007 - 2012

Exceedance: -3791.96 ppb hours

____________________________________________________________________________________

Pollutant: Sulphur Dioxide

Critical Level: 20 µg m-3

Concentration: 0.68 µg m-3

Data Year: 2014 - 2016

Exceedance: -19.32 µg m-3

____________________________________________________________________________________

Pollutant: Acid Deposition

Critical Load Class & Values:
Class: Acid grassland
CLmaxS: 0.47 CLminN: 0.366 CLmaxN: 0.836 (keq/ha/yr)

Deposition: 1.38 (N: 1.17 | S: 0.29) (keq/ha/yr)

Data Year: 2014 - 2016

Exceedance:

This page was accessed on Monday, September 24, 2018 02:46