natural resources

BIODIVERSITY* 2011 2010
PLANTING Trees planted 97,180 139,392
DRY STONE WALLING Hedgerows planted 19.57 km 17.64 km
  Kilometres built 2.89 km 0.552 km
SITES OF SPECIAL SCIENTIFIC INTEREST (SSSIs) SSSIs related to quarrying 120 120
  % of SSSI assessments in favourable/recovering condition 75% 75%
USE OF RESOURCES - CEMENT Natural raw material per tonne cement manufactured (kg/t) 1371 1378
  Waste recovered as raw materials per tonne – Manufactured at kiln sites (kg/t) 114.3 108.5
* MPA is in the process of trialling the production of improved biodiversity indicators Waste recovered as raw materials and fuels
by – Cement industry at kiln sites (t)
1,479,997 1,319,710
  Proportion of fuel comprising waste materials(% thermal) 39.7 38.1
  Proportion of raw materials comprising waste and byproduct material (% mass) 7.63 7.23
LIME - WASTE TO LANDFILL Waste sent to landfill per tonne of lime manufactured (% change since 2005) -94%  
  HERITAGE 2011 2010
ARCHAEOLOGY Land investigated pre planning permission 98 hectares 427 hectares
  Land investigated post planning permission 151 hectares 344 hectares
  RESTORATION/LAND AND SEABED USE 2011 2010
LAND USE AND RESTORATION % of the UK land area being quarried 0.10% 0.10%
  Ratio of land restored to land prepared for quarrying 1:0.4 1:0.8
SEABED USE Area of seabed licensed for marine dredging 1274 km² 1291 km²
  Area of seabed available for marine dredging 567 km² 553 km²
  Area of seabed dredged 114 km² 105 km²

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