La sécheresse de l'été 1976 dans le bassin ostréicole de Marennes-Oléron : aspects hydrobiologiques

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Contributeur(s) CES Working Group on Assessment of Pandalus Stocks, Conwy, N. Wales (UK), 24 May 1977
Identifiant documentaire 9-2994
Identifiant OAI oai:archimer.ifremer.fr:2994
Notice source
Auteur(s): Heral, Maurice,Berthome, Jean-paul,Razet, Daniel,Garnier, Jacqueline
Mots clés Ostréiculture Impact Sécheresse Bassin Marennes Oléron Canicule
Date de publication 24/05/1977
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Date de dépôt légal
Langue fre
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Droits de réutilisation info:eu-repo/semantics/openAccess

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Description
Consequences of drought and canicule during the summer of 1976 are related. An analysis allow as to mark out five main districts : Charente, Seudre, North, South and Center of the bassin, each of them with distinctive hydrological and phytoplaktonic characteristics. The rivers Charente and Seudre are particulary eutrophic and any great quantities of nitrates, phosphates and silicates. Eutrophic evaluation of the river Seudre is studied, as well as oyster mortalities that resulted. Reproduction and settlement of spat oysters are related to the hydrology of each distric.
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