Percentage area of habitats, by country, where acidity critical loads are exceeded.

Deposition dataset yearPercentage habitat area exceeded by country:
EnglandWalesScotlandNIUK
1995-199775.890.068.276.872.6
1998-200071.683.152.667.260.8
1999-200171.983.051.666.860.3
2001-200372.382.443.067.455.0
2002-200472.382.344.869.256.2
2003-200571.883.244.567.155.9
2004-200666.881.248.068.156.7
2005-200766.181.046.168.555.4
2006-200864.379.240.768.651.4
2007-200963.677.432.969.446.3
2008-201063.274.931.569.645.2
2009-201163.874.533.971.046.8
2010-201262.874.232.267.845.3
2011-201362.174.431.069.444.5
2012-2014*61.373.431.067.144.1
2013-201560.672.431.466.944.1
Reduction in % area exceeded 1995-201515.217.636.89.928.5

 *These results updated in 2017 following a minor update to the deposition data.


 

Average Accumulated Exceedance (AAE: keq ha-1 year-1) of acidity critical loads by country

Deposition dataset yearAAE (keq ha-1 year-1) by country:
EnglandWalesScotlandNIUK
1995-19971.331.360.470.800.78
1998-20001.000.840.280.460.51
1999-20010.980.820.270.460.50
2001-20031.040.820.230.510.50
2002-20040.940.790.240.460.48
2003-20050.930.840.240.420.47
2004-20060.770.740.240.420.43
2005-20070.740.730.210.450.40
2006-20080.680.610.170.440.35
2007-20090.620.540.120.450.3
2008-20100.590.490.120.470.29
2009-20110.620.480.150.530.31
2010-20120.60.470.140.460.3
2011-20130.590.470.130.460.29
2012-2014*0.550.460.130.390.28
2013-20150.540.450.150.380.28
Reduction in AAE 1995-20150.790.910.320.420.50

 *These results updated in 2017 following a minor update to the deposition data.

 


 

Percentage area of UK habitats where acidity critical loads are exceeded

Deposition dataset yearPercentage habitat area with exceedance of acidity critical loads:
Acid grasslandDwarf shrub heathBogMontaneConiferous woodland (managed)Broadleaved woodland (managed)Unmanaged woodlandFreshwatersAll habitats
1995-199792.070.388.095.879.475.869.529.972.6
1998-200084.949.578.891.369.968.457.224.260.8
1999-200184.747.976.193.470.269.158.223.960.3
2001-200379.540.761.682.566.569.658.521.955.0
2002-200480.342.360.189.468.470.860.121.356.2
2003-200580.441.559.392.968.270.159.121.755.9
2004-200682.545.171.796.364.261.548.321.756.7
2005-200781.941.576.494.463.660.546.721.355.4
2006-200878.935.473.385.660.557.243.420.651.4
2007-200973.928.563.771.457.155.942.119.046.3
2008-201072.228.157.970.155.655.642.018.545.2
2009-201174.830.654.971.658.057.043.318.946.8
2010-201273.029.354.465.356.755.041.519.045.3
2011-201373.428.550.162.356.253.540.518.844.5
2012-2014*72.627.855.562.754.951.638.518.644.1
2013-201573.028.152.465.055.851.037.918.244.1
Reduction in  % area exceeded 1995-201519.042.235.630.823.624.831.611.728.5

Note: The area of freshwaters exceeded is based only on the catchment areas of the 1752 stream and lake sites included in the critical loads database.

*These results updated in 2017 following a minor update to the deposition data. 


 

Average Accumulated Exceedance (AAE) of acidity critical loads for UK habitats

YearAAE (keq ha-1 year-1) by habitat:
Acid grasslandDwarf shrub heathBogMontaneConiferous woodland (managed)Broadleaved woodland (managed)Unmanaged woodlandFreshwatersAll habitats
1995-19971.150.470.760.811.131.200.870.360.78
1998-20000.800.280.530.570.680.880.580.230.51
1999-20010.770.260.500.590.680.900.610.210.50
2001-20030.700.240.460.600.721.010.680.180.50
2002-20040.670.220.410.640.740.940.650.170.48
2003-20050.680.210.390.620.730.940.650.170.47
2004-20060.680.220.440.660.580.660.440.170.43
2005-20070.640.190.450.530.560.650.430.160.40
2006-20080.570.160.420.390.490.560.360.130.35
2007-20090.490.120.340.280.430.530.340.120.30
2008-20100.470.120.330.280.420.520.340.110.29
2009-20110.510.140.350.310.460.560.360.120.31
2010-20120.500.130.350.260.430.510.320.120.30
2011-20130.510.130.340.250.420.470.300.120.29
2012-2014*0.480.120.330.250.390.430.270.120.28
2013-20150.490.130.340.260.410.420.260.110.28
Reduction AAE 1995-20150.660.340.420.550.720.780.610.250.50

 *These results updated in 2017 following a minor update to the deposition data.