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Registros recuperados: 108
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A proposed ecosystem-based management system for marine waters: linking the theory of environmental policy to the practice of environmental management Ecology and Society
O'Higgins, Tim; Scottish Association for Marine Science (SAMS), Scottish Marine Institute, Scotland; Tim.O'Higgins@sams.ac.uk; Cormier, Roland; Gulf Fisheries Centre, Fisheries and Oceans Canada; Roland.Cormier@dfo-mpo.gc.ca; Diedrich, Amy; School of Earth and Environmental Sciences, James Cook University, Australia; amy.diedrich@jcu.edu.au.
New coastal and marine management strategies have recently been developed in many countries and regions. From an ecosystem approach perspective, the aim of such strategies is the maintenance of ecosystem integrity while enabling the sustainable use of ecosystem goods and services. There is, however, a need for harmonized definitions and standardized processes to deal not only with the interjurisdictional and multidisciplinary complexities that are associated with such strategies but also with the extensive timelines and resources implicated in the planning and implementation of these strategies. The ecosystem-based management system proposed here is based on three pillars that facilitate the integration of an ecosystem approach to coastal and oceans policy...
Tipo: Peer-Reviewed Reports Palavras-chave: Ecosystem approach; Ecosystem-based management; Ecosystem goods and services; Environmental management; Marine environment; Marine ecosystems; Marine management strategy; Oceans policy.
Ano: 2014
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Steps toward a shared governance response for achieving Good Environmental Status in the Mediterranean Sea Ecology and Society
Cinnirella, Sergio; CNR-Institute of Atmospheric Pollution Research; s.cinnirella@iia.cnr.it; Brennan, Ruth; The Scottish Association for Marine Science; ruth.brennan@sams.ac.uk; Barausse, Alberto; University of Padova; alberto.barausse@unipd.it; Icely, John; University of Algarve; john.icely@gmail.com; Luisetti, Tiziana; Centre for Environment, Fisheries and Aquaculture Science; tiziana.luisetti@cefas.co.uk; Newton, Alice; University of Algarve; anewton@ualg.pt; O'Higgins, Tim; The Scottish Association for Marine Science; Tim.O\\\\\\\\\\\\\\\'Higgins@sams.ac.uk; Palmeri, Luca; University of Padova; lpalmeri@unipd.it; Palmieri, Maria Giovanna; University of East Anglia; M.G.Palmieri@uea.ac.uk; Raux, Pascal; University of Western Brittany; pascal.raux@univ-brest.fr; Rees, Sian; University of Plymouth; sian.rees@plymouth.ac.uk; Pirrone, Nicola; CNR-Institute of Atmospheric Pollution Research; pirrone@iia.cnr.it; Turner, Kerry; University of East Anglia; r.k.turner@uea.ac.uk.
The Mediterranean region is of fundamental importance to Europe given its strategic position. The responsibility for its overall ecosystem integrity is shared by European Union Member States (EU-MS) and other Mediterranean countries. A juxtaposition of overlapping governance instruments occurred recently in the region, with the implementation of both the Marine Strategy Framework Directive (MSFD) for EU-MS and the Ecosystem Approach Strategy (ECAP) for all Mediterranean countries, including EU-MS. Both MSFD and ECAP are structured around vision-driven processes to achieve Good Environmental Status and a Healthy Environment, respectively. These processes have clear ecosystem-based, integrated policy objectives to guarantee the preservation and integrity of...
Tipo: Peer-Reviewed Reports Palavras-chave: Ecosystem approach; Environmental status; Governance; Legislation implementation; Marine environment; Mediterranean; Shared vision.
Ano: 2014
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Influence de l'azote et du phosphore sur la croissance et la toxicité de Prorocentrum lima (Ehrenberg) Dodge ArchiMer
Morlaix, Martine; Lassus, Patrick.
Very few attempts have been made in order to investigate the role of nutrients on cellular growth and toxin production in dinoflagellates associated with DSP (Diarrhetic Shellfish Poison). Some preliminary results are presented here, aiming at a better knowledge of inorganic nitrogen and organic phosphorus effects upon division rate and toxin content of Prorocentrum lima (PL2V spanish strain). Nitrogen have a positive effect on growth rate, up to a threshold value of 880muM.l-1. Above this threshold the rate decreases. There is no effect on toxin content since okadaic acid and DTX1 cell contents remain low (4.8 +/- 0.5 pg.cell.-1) and steady. Phosphorus effect upon division rate follows a non-linear relationship, whereas cellular toxic content is inversely...
Tipo: Text Palavras-chave: Croissance; Toxicité; Concentration chimique; Division cellulaire; Production; Espagne; Phosphore; Azote; Europe; Nutriment; Milieu marin; Zone côtière; Ecotoxicologie; Pyrrophycophyta; Algae; Thallophyta; Okadaïque acide; Prorocentrum lima; Growth; Toxicity; Chemical concentration; Cell division; Production; Spain; Phosphorus; Nitrogen; Europe; Nutrient; Marine environment; Coastal zone; Ecotoxicology; Pyrrophycophyta; Algae; Thallophyta.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/00133/24469/22483.pdf
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Heavy metals effect on bacterial communities from coastal sediments. ArchiMer
Modamio, X; Mallo, S.
The effects of heavy metals on bacterial communities of sea sediments are studied. Samples were taken from a very polluted zone near Barcelona. Bacterial populations were estimated by the plate count method, using culture medium amended with heavy metals (Hg, Cd, Cr and Cu). The authors have also made a numerical taxonomy study with a hundred resistant strains, using 129 unit characters.
Tipo: Text Palavras-chave: Microorganisms; Marine environment; Toxicity; Bacteria; Numerical taxonomy; Sediment pollution; Pollution effects; Heavy metals.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-1013.pdf
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Évaluation du risque chimique dans l’environnement marin : exemple d’application aux installations industrielles du Nord-Cotentin ArchiMer
Marchand, Michel; Tissier, Chrystele.
In the context of the European legislation on chemicals (existing, new chemicals and biocides) a risk assessment for the environment and human health is performed. A technical guidance document (TGD), in support of Commission Directive 93/67/EEC on risk assessment for new notified substances and Commission Regulation (EC) No1488/64 on risk assessment for existing substances has been developed in 1996 and was recently adapted for the marine environment. The methodological concept is based on the relation between a value representing the contamination level of a chemical substance in the environment (exposure assessment) and a value representing its effects on the environment (effects assessment). The exposure value is expressed as PEC for “Predicted...
Tipo: Text Palavras-chave: Risque chimique; Milieu marin; TGD; Chemical risk assessment; Marine environment; TGD.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/00165/27652/25821.pdf
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Utilisation d’espèces halieutiques exploitées comme indicateurs de la contamination chimique en zone littorale ArchiMer
Abarnou, Alain.
The concept of biological indicator relies upon the assumption that the contamination measured in biological tissues reflects that of the aquatic environment. This study aims to update the knowledge on contamination levels of various chemical contaminants in a few exploited fish species from various areas along the French coastline. The objective of the work is to evaluate the possibility of differentiating the various coastal zones according to the contamination levels measured in fish living there. Several groups of contaminants were followed: PCBs (marker PCBs and dioxin-like PCBs), dioxins (PCCDs and PCDFs), PBDEs, PFCs and total mercury). These contaminants were mainly measured in four fish species: the sea bass (Dicentrarchus labrax), the mackerel...
Tipo: Text Palavras-chave: Espèces indicatrices; Poisson; Environnement marin; POP; PCB; Dioxines; PBDE; PFC; Biological indicators; Fishes; Marine environment; POPs; PCBs; Dioxins; PBDEs; PFCs.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00014/12475/9315.pdf
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Climatic trends in continental shelf waters off Ghana and in the Gulf of Guinea, 1963-1992 ArchiMer
Koranteng, Ka; Mcglade, Jm.
Using time series analyses, some physical parameters of the continental shelf waters of the Gulf of Guinea were examined. Analysis of coastal sea surface temperatures from Ghana and Ivory Coast, and offshore sea surface temperatures from the Gulf of Guinea clearly shows spatial and inter-annual patterns of cooling in coastal waters of West Africa. The behaviour of the decomposed trend of coastal and offshore sea surface temperatures, sub-surface: temperature measured at 100 m depth off Ghana and salinity showed that the observational period (1963-1992) could be divided into three climatic periods: the period before 1972, from 1972 to 1982, and the period after 1982. In the first period, sea surface temperature at both coastal and offshore areas and bottom...
Tipo: Text Palavras-chave: Environnement marin; Afrique de l'Ouest; Séries temporelles; Marine environment; West Africa; Time series.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/00322/43363/42852.pdf
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La surveillance des phycotoxines dans les coquillages du milieu marin. Le réseau REPHY : objectifs, stratégies, et principaux résultats ArchiMer
Belin, Catherine.
The surveillance of phycotoxins in marine shellfish. The REPHY network: objectives, strategies and primary results One of the objectives of REPHY (network for phytoplankton and phycotoxin surveillance) is to monitor toxin-producing micro-algae species in the marine environment that are likely to accumulate in seafood products, and to screen for these toxins in shellfish. This surveillance is undertaken in the framework of the European regulations. Three groups of toxins are thus monitored and are associated with three genera of toxic phytoplankton: (i) Dinophysis, a producer of the okadaic acid (with diarrhoeic effects) and pectenotoxin families of toxins; in the same group of so-called “lipophilic toxins”, two other families of regulated toxins are...
Tipo: Text Palavras-chave: Santé; Surveillance; Phytoplancton; Phycotoxines; Coquillages; Milieu marin; Health; Surveillance; Phytoplankton; Phycotoxins; Shellfish; Marine environment.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00449/56089/57623.pdf
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The Channel Programme: A Large-Scale Integrated Approach ArchiMer
Marchal, Paul; Carpentier, Andre; Foucher, Eric.
The Channel programme is a collation of interlinked multidisciplinary projects supporting ecosystem-based management in the English Channel by integrating works carried out in the past thirty years including novel approaches to the spatial modelling of ecosystems. The Channel programme has required a coordination of efforts and expertise by both scientists and stakeholders to address the challenges of the Marine Strategy Framework Directive and of its national implementations. The Channel programme has also consisted of harmonising information, regulations and habits in terms of ecosystem management in the English Channel.
Tipo: Text Palavras-chave: English Channel; Marine environment; Ecosystem-based management; Impact of anthropic and environmental factors; Scientific support to natural living resources management.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00294/40489/39613.pdf
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Le chrome en milieu marin ArchiMer
Chiffoleau, Jean-francois.
This document constitutes a synthesis of current knowledge on the chromium biogeochemical cycle. The natural and anthropogenic sources are evaluated, the fluxes between the various geochemical compartments are assessed, with special attention to the riverine and atmospheric inputs to the marine environment. Chromium levels in these compartments are described and show in several areas a very high contamination of marine organisms. Due to the important toxicity of this element, further investigations are absolutely required to better understand its behaviour in the marine environment.
Tipo: Text Palavras-chave: Economic analysis; Air water exchanges; Toxicity; Biogeochemical cycle; Marine environment; Pollution; Chromium.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/1994/rapport-1430.pdf
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Dinophysis acuminate (dinophyceae), une espèce à géométrie variable sur les côtes françaises ArchiMer
Lassus, Patrick; Marcaillou-le Baut, Claire.
Tipo: Text Palavras-chave: Morphologie; Variabilité; Ultrastructure; Croissance; France; Dinophysis acuminata; Europe; Milieu marin; Zone côtière; Phytoplancton; Pyrrophycophyta; Algae; Thallophyta; Morphology; Variability; Ultrastructure; Growth; France; Europe; Marine environment; Coastal zone; Phytoplankton; Pyrrophycophyta; Algae; Thallophyta.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/00133/24468/22484.pdf
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Surveillance du milieu marin et protection santiaire des coquillages ArchiMer
Renault, Tristan.
Shellfish farming is a major economic activity in the European Union, France being one of the main producing countries. Regulations were introduced to meet society's current expectations in terms of food safety at the fishing, farming and harvesting stages, as weil as during processing and marketing. Toxic algae, pathogens or pollutants may contaminate shellfish products during production and harvesting, partly because of the particular environ mental conditions in which these animais are grown. Monitoring programmes were thus deve/oped to detect the presence of biological and chemical contaminants in coastal waters and in shellfish, and to monitor the food safety of the latter.
Tipo: Text Palavras-chave: Pollutants; Microbiological contamination; Toxic algae; Shellfish; Marine environment; Programmees; Monitoring; Polluants; Contamination microbiologique; Algues toxiques; Coquillages; Milieu marin; Réseaux; Surveillance.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6932.pdf
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Composition en cires, triglycérides, protéines et sucres du mésozooplancton ArchiMer
Alayse-danet, Anne-marie; Daniel, Jean-yves; Le Coz, Jean-rene.
Analyses effectuées sur le zooplancton total des pêches verticales au WP2 et sur des animaux triés à partir des pêches horizontales (Campagne RCA sur les côtes Atlantiques du Portugal). On ne signale pas de différence significative entre la composition biochimique des populations du large et de la côte
Tipo: Text Palavras-chave: Zooplancton; Milieu marin; Composition chimique; Glucide; Cire animale; Triglycéride; Protéine; Océan Atlantique Nord; Upwelling; Méiofaune; Portugal; France; Zone côtière; Zooplankton; Marine environment; Chemical composition; Carbohydrate; Animal wax; Triglyceride; Proteins; North Atlantic; Upwelling; Meiofauna; Portugal; France; Coastal zone.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/00189/29976/28429.pdf
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La pisciculture marine : un secteur industriel en émergence ArchiMer
Paquotte, Philippe; Harache, Yves.
In a general context of low progression, European aquaculture has been characterized by the development of intensive fish farming. The most notable fact is the recent increase in intensive salmonid farming, with a turnover of almost two million ECU. More recently, the intensive farming of sea bass and sea bream has increased very rapidly in the Mediterranean Basin, although on a more reduced extent. Although research has started as soon as the seventies with a strong public incentive both for salmon, sea bass and sea bream, the development of these different types of aquaculture has not been done at the same pace. Some elements of sectorial dynamics are analysed such as research planning and financing, organization of the production and public policy. For...
Tipo: Text Palavras-chave: Europe; Environmental protection; Economic development; Production structure markets; Saltwater fishes; Sea bream; Sea bass; Atlantic salmon; Marine environment; Fish culture; SEM; Europe; Protection de l'environnement; Développement économique; Marché; Structure de production; Poisson de mer; Dorade; Bar; Saumon atlantique; Milieu marin; Pisciculture.
Ano: 1996 URL: http://archimer.ifremer.fr/doc/1996/publication-4104.pdf
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Strategie d''etude des suspensions mise en oeuvre en Baie de Seine ArchiMer
Lafite, R; Lamboy, M.
The results of research lead by this laboratory have struck upon the qualitative and textural diversity of suspended particulate matter. This diversity has followed the various techniques for sampling and the adjustment of a methodology which correlate, quantitative data analysis.
Tipo: Text Palavras-chave: Estuarine front; River plumes; Estuaries; Marine environment; Zonal distribution; Mathematical analysis; Composition; Particle concentration; Turbidity; Granulometry; Methodology; Sampling; Particle distribution; Suspended particulate matter.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-1276.pdf
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Impact de l'aquaculture marine sur l'environnement : aspects juridiques et économiques ArchiMer
Paquotte, Philippe.
Aquaculture is an economic activity which is characterised by a great dependence on environmental conditions. Therefore aquaculture development is subdued to institutional context which defines the rules for use and conservation of the environment. This paper analyses the impact of marine environment regulations on economic operating of aquaculture enterprises and on industrial dynamics. Because aquaculture enterprises use a collective good, an economic approach of aquaculture has to take into account not only the relations between enterprises and environment, but also the relations between the enterprises themselves, through production externalities. In this study, several economic tools are considered in order to incite enterprises to integrate pad of...
Tipo: Text Palavras-chave: Sustainability; Development policies; Fiscal policies; Regulations; Environmental protection; Water; Environmental impact; Marine environment; Aquaculture; SEM; Durabilité; Politique de développement; Politique fiscale; Réglementation; Protection de l'environnement; Eau; Impact sur l'environnement; Milieu marin; Aquaculture.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/1994/publication-4018.pdf
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Défis de la surveillance des maladies chez les coquillages marins en France ArchiMer
Lupo, Coralie; Francois, Cyrille; Arzul, Isabelle; Garcia, Celine; Joly, Jean-pierre; Renault, Tristan.
The basic concepts and objectives of animal disease surveillance are common to all types of animal production. Yet, the procedures for implementation have been mostly developed for terrestrial animal productions. Disease surveillance in marine shellfish calls for specific measures in view of the peculiarities of marine biology and rearing techniques. The main objective of disease surveillance in marine shellfish is to detect as early as possible exotic and newly emerging diseases. With this objective in mind, a national surveillance network for surveillance of mollusc diseases called Repamo has been developed. It combines passive reporting and risk-based surveillance.
Tipo: Text Palavras-chave: Surveillance; Coquillage; Milieu marin; Détection précoce; Epidémiologie; Surveillance; Shellfish; Marine environment; Early detection.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00109/22023/19653.pdf
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Présence d'un Protogonyaulax sp. sur le littoral atlantique français pendant l'hiver 1987 ArchiMer
Lassus, Patrick; Bardouil, Michele.
A dinoflagellate belonging to Protogonyaulax genera and forming more than 20 cells chains was observed from November 1987 to February 1988 in Vilaine Bay and in the west ofIle d'Yeu (France). This species was not detected in coastal phytoplankton during preceding surveys. Close to Protogonyaulax affinis it seems to be a winter developing species for this coastal area. Vertical distribution shows in december a migration of the patch towards deeper layers. Increasing occurrences of species belonging to Protogonyaulax (Alexandrium Balech) genera inshore or coastal waters need to pay more attention to the taxonomy of such organisms. Some species are effectively well known as poisons producers.
Tipo: Text Palavras-chave: Pyrrophycophyta; Milieu marin; Morbihan; Vendée; Océan Atlantique Nord; Plancton; Morphologie; Algae; Thallophyta; Bretagne; France; Europe; Pays de Loire; Océan Atlantique; Pyrrophycophyta; Marine environment; Morbihan; Vendée; North Atlantic; Plankton; Morphology; Algae; Thallophyta; Bretagne; France; Europe; Pays de Loire; Atlantic Ocean.
Ano: 1988 URL: http://archimer.ifremer.fr/doc/00133/24474/22485.pdf
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Surveillance écologique et halieutique. Site de Gravelines. Novembre 1986 - Octobre 1987 ArchiMer
Maillard-quistoudt, C.; Degros, N.; Janquin, Marie-andree; Delesmont, E; Delesmont, Régis; Grossel, Hubert; Le Fevre-lehoerff, Geneviève; Woehrling, Daniel; Martin, Jocelyne; Tetard, Alain; Dewarumez, Jean-marie; Menu, D..
La nouvelle stratégie mise en place au cours de la 9ème période de surveillance de Gravelines consiste à abandonner l'étude temporelle caractérisée par un grand nombre de campagnes pour privilégier les variations spatiales, pour trois situations annuelles printanière, estivale et automnale, afin de comparer l'ensemble des paramètres aux quatre stations entrée de centrale, rejet, point impacté à T = + 3°C et point de référence T = O°C (hors impact). Les domaines d'études sont: la climatologie, le fonctionnement de la centrale, l'hydrologie, la microbiologie, le plancton, l'halieutique, le benthos. Dans tous les domaines l'effort est mis sur les estimations de déficit de biomasses au rejet d'une part et les compétitions intréspécifiques quand le milieu...
Tipo: Text Palavras-chave: Gravelines; Centrale nucléaire; Ecologie; Milieu marin; Gravelines; Nuclear power plant; Ecology; Marine environment.
Ano: 1988 URL: http://archimer.ifremer.fr/doc/00005/11585/8211.pdf
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Fluorescent antibody enumeration of Vibrio cholerae in the marine environment. ArchiMer
Brayton, P; Roszak, D; Palmer, L; Huq, S; Gimes, D.
From microcosm studies, V. cholerae and related potential human pathogens enter a viable but nonculturable state. Direct viable counts by epifluorescent microscopy consistently remain higher than corresponding plate counts. Thus, the assumption that pathogens "die-off" or "decay" in the marine environment must be re-evaluated, since stressed or nutrient-starved cells are unable to grow and be enumerated by standard plate count methods. Indirect immunofluorescent microscopy offers a more sensitive detection system for environment sampling for human pathogens. Field indicate that cultures positive for V. cholerae O1 are also positive by fluorescent antibody staining; however, the reverse was not necessarily true. By adapting epifluorescent techniques for...
Tipo: Text Palavras-chave: Vibrio cholerae; Bacteria; Experimental research; Marine environment; Pathogenic bacteria; Microbial contamination; Fluorescence microscopy; Bacterial counters; Pollution detection.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-1000.pdf
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