This spatial dataset contains krigged density surfaces for puffin in the breeding season, in UK waters.
Density surface maps were created by modelling ESAS data in order to identify regular areas of relative high densities of seabirds, at a 6km*6km grid. For more information please see:
Kober, K., Webb, A., Win, I., Lewis, M., O'Brien, S, Wilson, L.J, Reid, J.B., (2010), An analysis of the numbers and distribution of seabirds within the British Fishery Limit aimed at identifying areas that qualify as possible marine SPAs, JNCC Report 431, ISSN 0963-8091
http://jncc.defra.gov.uk/page-5622