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Évaluation du descripteur 5 « Eutrophisation » en France métropolitaine. Rapport scientifique pour l’évaluation 2018 au titre de la DCSMM ArchiMer
Devreker, David; Lefebvre, Alain.
This report is the second assessment of French marine water eutrophication status (descriptor 5) done in the framework of the MSFD. The goal of this report is to determine if French marine water reach the Good Ecological State as defined by the MSFD. It stands next to the initial evaluation made in 2012, from which it is an update. It introduces the second cycle of the Marine Environment Action Program. It shows that French marine waters, behind the 12 nm line, reach the GES as defined by the MSFD. Problems link to eutrophication occurs in marine waters above the 12 nm, where 6.5% of the area do not reach the GES.
Tipo: Text Palavras-chave: DCSMM; Eutrophisation; Évaluation; Bon Etat Ecologique; Seuils; Indicateurs; Nutriments; Chlorophylle-a; Oxygène; Turbidité; Macroalgues; Pressions écologiques; MSFD; Eutrophication; Assessment; Good Environmental Status; Thresholds; Indicators; Nutrients; Chlorophyll-a; Oxygen; Turbidity; Macroalgae; Ecological pressures..
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00437/54868/56361.pdf
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Protocole de protection de la faune marine et campagnes sismiques ArchiMer
Ducatel, Cecile; Le Gall, Yves; Lurton, Xavier.
Ce document précise les mesures prises par l’Ifremer pour la protection de la faune marine lors de l’utilisation des sources sismiques appartenant à la classe 1 (> 500 in 3). Avant de présenter le protocole à appliquer lors des campagnes de géosciences marines, les principes de l’évaluation des risques sonores sont rappelés.
Tipo: Text Palavras-chave: Sismique; Mammifères marins; Tortues; Seuils; PTS; TTS; Zone d’exclusion; MMOs; PAM; Recherche pré-tir; Démarrage progressif; Arrêt des tirs.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00623/73516/72827.pdf
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