The Breeding Distribution, History and Population of the North Atlantic Gannet (Sola bassana). By James Fisher and H. G. Vevcrs. Part I.--A History of the G a n n e t s Colonies, and t h e Census in 1939. Journal of Animal Ecology, Vol. xii, pp. 173-213, 1943. Part II.--The Changes in the World Numbers of the Gannet in a Century. Ibid., Vol. xiii, pp. 49-62,1944. T H E title of this paper indicates its contents. In Part I information concerning each of t h e 39 localities in the North Atlantic where Gannets breed, have bred, have been suspected to have bred, or have occupied cliffs or ledges in the breeding season, is set out in chronological order with references to the sources of information. Particulars about those colonies already fully treated in Gurney's well-known book, or in recent papers by the writers, ai-e supplementary to the accounts already published, but in each case a summary gives t h e numbers estimated or counted at various dates. In 1939 an a t t e m p t -was made to arrange for all the known colonies to be counted and was so nearly successful t h a t figures were obtained for all t h e 16 gannetries in Britain, the Faeroes and Iceland and two of those in the Gulf of St. Lawrence area. In the latter region two other colonies were last visited in 1934 and 1936 respectively, another was visited in 1940, and a. sixth
Volume: 
Issue 9
Authors: 
Alexander, W. B
Schaefer, J
Davies, M
Alexander, W. B
Schaefer, J
Davies, M

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