Indexing winter gull populations in England, Wales, Scotland and Northern Ireland: an analysis of data from the 1953 to 2004 Winter Gull Roost Surveys
Citation
Burton, N.H.K., Banks, A.N., Calladine, J.R., Austin, G.E., Armitage, M.J. & Holloway, S.J.
Staff author(s)
Graham Austin
John Calladine
