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Jackson, EL, Langmead, O, Evans, J, Ellis, R and Tyler-Walters, H 2008 Protecting nationally important marine Biodiversity in Wales. Plymouth, Marine Biological Association of the UK, 76pp. (UNSPECIFIED)
Tyler-Walters, H and Arnold, C 2008 Sensitivity of Intertidal Benthic Habitats to Impacts Caused by Access to Fishing Grounds. Bangor, Wales, Cyngor Cefn Gwlad Cymru / Countryside Council for Wales, 39pp. (UNSPECIFIED)
Tyler-Walters, H and Pizzolla, P 2008 Halidrys siliquosa. Sea oak. Plymouth, Marine Biological Association of the United Kingdom, 37pp. (UNSPECIFIED)