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Analyse des indicateurs en lien avec les caractéristiques démographiques des populations de poissons des façades métropolitaines françaises dans le cadre de la DCSMM ArchiMer
Davies, Leo.
The Marine strategy Framework Directive (MSFD) aims to reduce impacts on the marine environment in order to achieve or maintain the good ecological status by using ecosystem approach. The conservation of fish population, exploited or not, is one of the objectives. Criterion 3 of the Descriptor 1 „Biodiversity – Fish” and Descriptor 3 “Commercial species” must qualify the ecological state of these components with regard to their demographic characteristics, in addition to other primary criteria. Many size indicators exist, but in the absence of a threshold value to qualify a condition, this criterion was classified as non-operational in the previous assessment cycle. This study aims to analyze the relevance of size indicators for providing information on...
Tipo: Text Palavras-chave: Directive Cadre Stratégie pour le Milieu Marin; Bon état écologique; Indicateur; Taille; Marine Strategic Framework Directive; Good Environmental Status; Indicator; Length.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00655/76695/77841.pdf
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Evaluation de la composante de l’écosystème « Poissons et céphalopodes » du descripteur 1 « Biodiversité » en France métropolitaine. ArchiMer
Brind'Amour, Anik; Delaunay, Damien.
The Marine Strategy Framework Directive (MSFD), adopted in June 2008, recommends Member States to adopt an ecosystemic approach to manage the marine environment. By this directive, France aims to achieve a good environmental status (GES) described by 11 descriptors, of its marine waters by 2020. Descriptor 1 stipulates that biological diversity is maintained. The quality and occurrence of habitats and the distribution and abundance of species are in line with prevailing physiographic, geographic and climate conditions (European Commission Decision 2017/848/UE). The ecosystem components of fish and cephalopods must be assessed in the four marine subregions (“English Channel – North Sea”, “Celtic seas”, “Bay of Biscay” and “Western Mediterranea”). The...
Tipo: Text Palavras-chave: DCSMM; Descripteur 1; Bon état écologique; Poissons et céphalopodes; Population d’espèces; Indice d’abondance; Traits d’histoire de vie; Indice de sensibilité; Pression de pêche; Zone fonctionnelle halieutique.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00458/57007/58905.pdf
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Evaluation du descripteur 3 « espèces exploitées à des fins commerciales » en France métropolitaine. ArchiMer
Foucher, Eric; Delaunay, Damien.
The Marine Strategy Framework Directive (MSFD), adopted in June 2008, commits Member States to adopt an ecosystemic approach to manage the marine environment. By this directive, France aims to achieve good environmental status of its marine waters by 2020. Descriptor 3 stipulates that populations of all commercially exploited fish and shellfish are within safe biological limits, exhibiting a population age and size distribution that is indicative of a healthy stock. The Marine Directive builds on existing European Union (EU) legislation as the Common Fisheries Policy (CFP) and criteria describing stocks status are derived from international authorities works as the International Council for the Exploration of the Sea (ICES), the General Fisheries...
Tipo: Text Palavras-chave: DCSMM; Descripteur 3; Bon état écologique; Ressources halieutiques; Espèces commerciales; Stock; Evaluation de stock.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00458/57009/58908.pdf
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Intégrité des habitats benthiques du plateau continental face aux perturbations physiques naturelles et aux arts trainants : quelles méthodes d'observations ? Comment suivre le retour vers un bon état écologique ? ArchiMer
Jac, Cyrielle.
In 2008, the European Union drew up the Marine Strategy Framework Directive (MSFD) with the aim of achieving Good Environmental Status of marine waters. By linking the changes observed to the pressures experienced, this directive is defined as a tool designed to better control environmental degradation factors and to assess their implications. Several descriptors are defined within the framework of MSFD, in particular descriptors 1 relating to the biological diversity of the seabed and 6 relating to the integrity of the seabed (i.e. the quality of its structures and functions). As dragging (trawling and dredging) is the main source of disturbance of continental shelf seabed, it is essential to study its impact. However, its effects depend on several...
Tipo: Text Palavras-chave: Mégafaune benthique; Méthode d'échantillonnage; Impact de la pêche; Sensibilité; Facteurs environnementaux; Bon état écologique; Benthic megafauna; Sampling methods; Fishing impact; Sensitivity; Natural drivers; Good environmental status.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00679/79149/81655.pdf
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Sélection des espèces sensibles à la pression de pêche dans les sous-régions marines DCSMM. Descripteur 1 – Poissons & Céphalopodes ArchiMer
Delaunay, Damien.
La Directive Cadre Stratégie pour le Milieu Marin (DCSMM), adoptée en juin 2008, recommande aux Etats membres de développer une approche de gestion des milieux marins fondée sur la notion d’écosystème. Par cette directive, la France s’est engagée à atteindre ou maintenir d’ici 2020 le bon état écologique (BEE) des milieux marins décrits au travers de 11 descripteurs, pour les eaux métropolitaines sous sa juridiction. Le descripteur 1 stipule que la diversité biologique doit être maintenue. La qualité des habitats et leur nombre, ainsi que la distribution et l’abondance des espèces sont adaptés aux conditions physiographiques, géographiques et climatiques existantes (décision de la Commission européenne 2017/848/UE). Les composantes de l’écosystème des...
Tipo: Text Palavras-chave: DCSMM; Descripteur 1; Bon état écologique; Poissons et céphalopodes; Population d’espèces; Traits d’histoire de vie; Indice de sensibilité; Pression de pêche.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00435/54633/56039.pdf
Registros recuperados: 5
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