‘Agenda 21 - Chapter 11: Combating Deforestation, Earth Summit, 1992’. N.p., n.d. Web. <http://habitat.igc.org/agenda21/a21-11.htm>.
Cannon, RJC. ‘Gypsy Moth, Lymantria Dispar, Outbreak in Northeast London, 1995 – 2003’. 50.4 n. pag. Web. <https://eleanor.lib.gla.ac.uk/search~S6?/rSustainability+of+Farming+Systems/rsustainability+of+farming+systems/1,1,1,E/l962@info~2985444&FF=rsustainability+of+farming+systems&1,1,,0,0,0>.
Council of Europe. ‘Forest Reproductive Material Directive : COUNCIL DIRECTIVE 1999/105/EC of 22 December 1999 on the Marketing of Forest Reproductive Material’. Official Journal of the European Communities 15.1.2000 n. pag. Web. <https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2000:011:0017:0040:EN:PDF>.
Edwards, A.C., A.H. Sinclair, and P. Domburg. ‘Identification, Designation and Formulation of an Action Plan for a Nitrate Vulnerable Zone: A Case Study of the Ythan Catchment, NE Scotland’. European Journal of Agronomy 20.1–2 (2003): 165–172. Web.
‘EU Council Decision: Emergency Measures to Prevent the Introduction into the Union of Anoplophora Chinensis’. N.p., n.d. Web. <http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:174:0046:0050:EN:PDF>.
Europa. ‘The EU Forestry Strategy’. N.p., n.d. Web. <http://europa.eu/legislation_summaries/environment/nature_and_biodiversity/l60040_en.htm>.
‘EUROPA - Council of the European Union’. N.p., n.d. Web. <http://europa.eu/about-eu/institutions-bodies/council-eu/index_en.htm>.
‘EUROPA - EU Institutions and Other Bodies’. N.p., n.d. Web. <http://europa.eu/about-eu/institutions-bodies/>.
‘EUROPA - European Commission’. N.p., n.d. Web. <http://europa.eu/about-eu/institutions-bodies/european-commission/>.
‘EUROPA - European Parliament’. N.p., n.d. Web. <http://europa.eu/about-eu/institutions-bodies/european-parliament/>.
European Commission. ‘Implementation of Nitrates Directive - Environment - European Commission’. N.p., n.d. Web. <http://ec.europa.eu/environment/water/water-nitrates/index_en.html>.
---. ‘Legal Proposals for the CAP after 2013 - Agriculture and Rural Development’. N.p., n.d. Web. <http://ec.europa.eu/agriculture/cap-post-2013/legal-proposals/index_en.htm>.
---. ‘Reform of the Common Fisheries Policy - Fisheries - European Commission’. N.p., n.d. Web. <http://ec.europa.eu/fisheries/reform/index_en.htm>.
---. ‘Regional Fisheries Management Organisations (RFMOs) - Fisheries - European Commission’. N.p., n.d. Web. <http://ec.europa.eu/fisheries/cfp/international/rfmo/index_en.htm>.
---. ‘The EU Nitrates Directive’. N.p., n.d. Web. <http://ec.europa.eu/environment/pubs/pdf/factsheets/nitrates.pdf>.
Evans, Julian. The Forests Handbook. Vol. 2. Blackwell Science, 2001. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2122780570003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US>.
---. The Forests Handbook. Vol. 2. Blackwell Science, 2001. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2122780570003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US>.
‘Exotic Pest Alert: Horse Chestnut Leaf Miner’. Web. <http://www.forestry.gov.uk/pdf/horsechestnut.pdf/$FILE/horsechestnut.pdf>.
FAO. ‘Technical Paper 1: Soil Classification and Characterization’. N.p., n.d. Web. <http://www.fao.org/wairdocs/ilri/x5546e/x5546e04.htm#1.4%2520the%2520faounesco%2520system>.
‘FAO Fisheries & Aquaculture -   Home  ’. N.p., n.d. Web. <http://www.fao.org/fishery/en>.
‘Forestry Commission - Plant Health - Pests and Diseases’. N.p., n.d. Web. <http://www.forestry.gov.uk/pestsanddiseases>.
Furth, Lisa. A Genetically Modified Future. Independence, 2007. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2121326390003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US>.
---. Genetic Modification. Independence Educ Pub, 2011. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2119296700003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US>.
‘Global Forest Resources Assessment - Chapter 6’. Web. <http://www.fao.org/forestry/fra/41555/en/>.
Herman, Patrick, and Richard Kuper. Food for Thought: Towards a Future for Farming. Pluto Press, 2003. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2117822880003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US>.
Kaiser, Michael J. Marine Ecology: Processes, Systems and Impacts. 2nd ed. Oxford University Press, 2011. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2117346020003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US〈=en_US>.
Lucas, John S., and Paul Southgate. Aquaculture : Farming Aquatic Animals and Plants. 2nd ed. Fishing News, 2012. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2116662240003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US>.
Mason, John. Sustainable Agriculture. 2nd ed. CSIRO, 2003. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2117814990003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US>.
---. Sustainable Agriculture. 2nd ed. CSIRO, 2003. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2117814990003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US>.
McConnell, Primrose. Primrose McConnell’s the Agricultural Notebook. Ed. Richard J Soffe. 20th ed. Blackwell Science, 2003. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2119496660003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US>.
---. Primrose McConnell’s the Agricultural Notebook. Ed. Richard J Soffe. 20th ed. Blackwell Science, 2003. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2119496660003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;tab=default_tab〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US>.
Mieszkowska, Nova, David Sims, and Steve Hawkins. ‘Fishing, Climate Change and North-East Atlantic Cod Stocks’. (2007): n. pag. Web. <http://www.wwf.org.uk/filelibrary/pdf/cc_cod_report.pdf>.
Overton, Mark. ‘BBC - History - British History in Depth: Agricultural Revolution in England 1500 - 1850’. N.p., 2011. Web. <http://www.bbc.co.uk/history/british/empire_seapower/agricultural_revolution_01.shtml>.
PhysicalGeography.net. ‘The Nitrogen Cycle’. N.p., n.d. Web. <http://www.physicalgeography.net/fundamentals/9s.html>.
Pilon-Smits, Elizabeth. ‘Phytoremediation’. Annual Review of Plant Biology 56.1 (2005): 15–39. Web.
‘Programme for the Endorsement of Forest Certification’. N.p., n.d. Web. <http://www.pefc.org/>.
Qaim, Matin. ‘The Economics of Genetically Modified Crops’. Annual Review of Resource Economics 1.1 (2009): 665–694. Web. <http://www.annualreviews.org/doi/pdf/10.1146/annurev.resource.050708.144203>.
Scottish Government. ‘NVZ Map Page for Scotland - Nitrate Vulnerable Zones 2003’. N.p., n.d. Web. <http://www.scotland.gov.uk/Topics/farmingrural/Agriculture/Environment/NVZintro/NVZmap1>.
---. ‘SRDP Dumfries & Galloway - Regional Priorities’. N.p., n.d. Web. <http://www.scotland.gov.uk/Topics/farmingrural/SRDP/RuralPriorities/DumfriesandGalloway>.
---. ‘SRDP Land Managers Options Available Options’. N.p., n.d. Web. <http://www.scotland.gov.uk/Topics/farmingrural/SRDP/Land-Managers-Options/Availableoptions>.
‘Sea Around Us Project’. N.p., n.d. Web. <http://www.seaaroundus.org/>.
‘The Convention on Biological Diversity’. N.p., n.d. Web. <http://www.cbd.int/convention/>.
‘The UK Forestry Standard’. N.p., n.d. Web. <http://www.forestry.gov.uk/theukforestrystandard>.
‘Total Allowable Catch EU Regulation - COUNCIL REGULATION (EEC) No 170/83 of 25 January 1983 Establishing a Community System for the Conservation and Management of Fishery Resources’. Official journal of the European Communities L 24/1 n. pag. Web. <https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:1983:024:0001:0013:EN:PDF>.
United Nations. ‘United Nations Framework Convention on Climate Change’. Web. <http://unfccc.int/resource/docs/convkp/conveng.pdf>.
United Nations. General Assembly. ‘A/CONF.151/26 (Vol. III)  Forest Principles’. N.p., n.d. Web. <http://www.un.org/documents/ga/conf151/aconf15126-3annex3.htm>.
United States. Department of Agriculture. Natural Resources Conservation Service. ‘National Soil Survey Handbook | NRCS Soils’. N.p., n.d. Web. <http://soils.usda.gov/technical/handbook/>.
Weldon, Jon. ‘The Atlantic Cod: The Potential For Farming In Shetland - The Fish Site’. N.p., 2006. Web. <http://www.thefishsite.com/articles/163/the-atlantic-cod-the-potential-for-farming-in-shetland>.
World Health Organisation. ‘WHO | Water-Related Diseases: Methaemoglobinemia’. N.p., n.d. Web. <http://www.who.int/water_sanitation_health/diseases/methaemoglob/en/>.
Wright, Richard T., and Dorothy F. Boorse. Environmental Science: Towards a Sustainable Future. 11th ed. Pearson Education, 2010. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2118134420003931&amp;context=L&amp;vid=44PAI_V1&amp;search_scope=default_scope&amp;isFrbr=true&amp;tab=default_tab〈=en_US>.
---. Environmental Science: Towards a Sustainable Future. 11th ed. Pearson Education, 2011. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2118134420003931&context=L&vid=44PAI_V1&search_scope=default_scope&isFrbr=true&tab=default_tab&lang=en_US>.
---. Environmental Science: Towards a Sustainable Future. 11th ed. Pearson Education, 2011. Web. <https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2118134420003931&context=L&vid=44PAI_V1&search_scope=default_scope&isFrbr=true&tab=default_tab&lang=en_US>.