APIS Bibliography

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2007

Defra. The Air Quality Strategy for England, Scotland, Wales and Northern Ireland (Volume 1). [Internet]. 2007 . Available from: http://www.official-documents.gov.uk/document/cm71/7169/7169_i.pdf

Defra. An introductory guide to valuing ecosystem services. . London: Defra; 2007. Available from: http://www.defra.gov.uk/wildlife-countryside/natres/eco-value.htm

2012

Defra. RoTAP: Review of Transboundary Air Pollution: Acidification, Eutrophication, Ground Level Ozone and Heavy Metals in the UK. Centre for Ecology & Hydrology; 2012. Available from: http://www.rotap.ceh.ac.uk/documents

2017

Defra. Mapping Critical Levels for Vegetation: Chapter 3.; 2017. Available from: https://icpvegetation.ceh.ac.uk/publications/documents/FinalnewChapter3v4Oct2017_000.pdf