Populations, croissance et migration du germon Thunnus alalunga dans le nord-est atlantique. Essai de synthese

As a result of 5 years of sampling the following results were reached: (1) so far as growth was concerned 3 size groups were recognised during June-July. The `classic' type measuring similar to 52-62 cm, a group ranging from 54-55 cm and a 3rd group measuring 64-65cm. By marking the fish and by studying the degree of distribution of the stomach parasite, H.fusca it was noted that the albacore entering the north east Atlantic during summer constitute a heterogenous population migrate along the same route upto the north west boundary of Cape Finisterre. Thereafter they diverge, one group forming a semi-circle along the Bay of Biscay, another moving northwards and on reaching the south of Ireland bends westward.

Auteurs du document :

Aloncle, Henri, Delaporte, Francis

Obtenir le document :

ISTPM

Mots clés :

North east Atlantic, Growth, Polution dynamique, Migration, Thunnus alalunga

Thème (issu du Text Mining) :

FAUNE, SCIENCES EXACTES SCIENCES HUMAINES, MILIEU NATUREL, INFORMATION - INFORMATIQUE

Date :

1973-03

Format :

text/xml