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Registros recuperados: 60
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A methodology based on data filtering to identify reference fleets to account for the abundance of fish species: Application to the Striped red mullet (Mullus surmulletus) in the Bay of Biscay ArchiMer
Caill-milly, Nathalie; Lissardy, Muriel; Bru, Noëlle; Dutertre, Marie-adèle; Saguet, Cassandre.
For data-limited stocks (DLS), professional fishing data can be used as a potential source of information, especially in the absence of appropriate scientific survey, to understand abundance evolution under realistic hypothesis on resource catchability. This work focuses on a data-filtering approach, the selected fishing effort must reflect vessel activity that is least dependent on their technical characteristics and as stable as possible over time. The variable of interest is landing by fishing sequence (landing for a given gear, gear mesh, day and ICES statistical rectangle) called LPUE. In order to account for the abundance of the species, it was necessary to consider the discards. The method thus proceeds in 4 steps: (i) focus on LPUE variability and...
Tipo: Text Palavras-chave: Data-limited stock; Commercial data; Discards; LPUE; Professional knowledge; Data filtering.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00503/61495/65305.pdf
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Absence of spatial genetic structure in common dentex (Dentex dentex Linnaeus, 1758) in the Mediterranean Sea as evidenced by nuclear and mitochondrial molecular markers ArchiMer
Viret, Alexiane; Tsaparis, Dimitris; Tsigenopoulos, Costas S.; Berrebi, Patrick; Sabatini, Andrea; Arculeo, Marco; Fassatoui, Chiheb; Magoulas, Antonios; Marengo, Michel; Morales-nin, Beatriz; Caill-milly, Nathalie; Durieux, Eric D.h..
The common dentex, Dentex dentex, is a fish species which inhabits marine environments in the Mediterranean and Northeast Atlantic regions. This is an important species from an ecological, economic and conservation perspective, however critical information on its population genetic structure is lacking. Most samples were obtained from the Mediterranean Sea (17 sites) with an emphasis around Corsica (5 sites), plus one Atlantic Ocean site. This provided an opportunity to examine genetic structuring at local and broader scales to provide science based data for the management of fishing stocks in the region. Two mitochondrial regions were examined (D-loop and COI) along with eight microsatellite loci. The COI data was combined with publicly available...
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Ano: 2018 URL: https://archimer.ifremer.fr/doc/00456/56735/58513.pdf
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Analyse des ressources et des caractéristiques individuelles du stock d'oursin Paracentrotus lividus (Lamarck, 1816) du territoire 64 ArchiMer
De Casamajor, Marie-noelle; Mahias, Jeremy; Bru, Noelle; Caill-milly, Nathalie.
A spatial sampling was carried out for stock assessment of sea urchin P. lividus throughout the Basque coast. A sampling, over the year, was conducted to study the reproductive cycle. This work took place over 2013 and 2014. Reproduction occurs once in spring, between May and August 2014. Among factors affecting the release of eggs, salinity, temperature and hydrodynamics show a significant inter-annual variability in the Basque coast. Thus, the period set in 2014, may fluctuate between years. For the stock, the results showed that 11.85 (+/-0.32) million individuals of harvestable biomass for 724 tones (+/- 137). Stock is spread over the entire surveyed area density and biomass decrease rapidly with depth, individuals are mainly located between 0 and 5 m....
Tipo: Text Palavras-chave: Oursin commun; Stock; Biomasse; Reproduction; Côte basque; Conditions environnementales; Sea urchin; Stock; Biomass; Reproduction; Basque coast; Environmental conditions.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00218/32889/31373.pdf
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Analyse des ressources et des caractéristiques individuelles du stock d'oursin Paracentrotus lividus (Lamarck, 1816) du territoire 64 - Recueil cartographique ArchiMer
Lissardy, Muriel; De Casamajor, Marie-noelle; Mahias, Jeremy; Bru, Noelle; Caill-milly, Nathalie.
Tipo: Text
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00218/32890/31375.pdf
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Asari clam (Ruditapes philippinarum) in France: history of an exotic species 1972 – 2015 ArchiMer
De Montaudouin, Xavier; Arzul, Isabelle; Caill-milly, Nathalie; Khayati, Alice; Labrousse, Jean-michel; Lafitte, Céline; Paillard, Christine; Soudant, Philippe; Goulletquer, Philippe.
In 1972, France underwent an oyster (Crassostrea angulata) crisis and urgently needed to diversify its aquaculture. Thus, Asari clam (Ruditapes philippinarum) was introduced at that time for aquaculture purpose, concomitantly with the introduction of Pacific oyster (Crassostrea gigas). All Asari clam adults and spat originated from the same area (Puget Sound, WA, USA). After a promising start and the implementation of a national Research & Development program, Asari clam culture rapidly faced a series of concomitant handicaps: firstly, in spite the fact that cultural practices were optimized and locking points addressed, leasing ground availability was limited during the 1980s’ due to certain reluctance from oyster farmers to share their leases and/or...
Tipo: Text Palavras-chave: Ruditapes philippinarum; France; Aquaculture; Professional fishing; Diseases; Environmental stressors.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00366/47767/47817.pdf
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Assessment of the impact of a wastewater treatment process including Advanced Oxidation Technique on environment using chemical and biological indicators ArchiMer
Caill-milly, Nathalie; De Casamajor, Marie-noelle; Pigot, Thierry; Paulin, Thomas; Bru, Noëlle; Sanchez, Florence; Marticorena, Julien; Lanceleur, Laurent; Gonzalez, Patrice; Daffe, Guillemine.
In a context of several directives for transitional and coastal waters masses (Water Framework Directive, Marine Strategy Framework Directive and Bathing Water Directive), the good ecological status of water but also conservation of marine ecosystem should be quickly achieved. The Basque coastline (SE of the Bay of Biscay) is subject to strong human pressures with a high density of population over the year, and especially during the summer with tourist activities. It generates nutrient discharge, water and sediment pollution and impacts the quality of the marine environment. Such pressure and the way to reduce its impacts are the main concerns of authorities Locally, in order to improve wastewater treatment process, an alternative technical solution is...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00279/39051/37614.pdf
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Atlas thématique de l'environnement marin du Pays basque et du sud des Landes ArchiMer
De Casamajor, Marie-noelle; Augris, Claude; Caill-milly, Nathalie.
On imagine souvent les fonds marins proches comme une vaste étendue monotone qui prolonge le littoral, espace de loisir, de découverte et de rêverie. Le recueil d’informations présenté ici sous la forme d’un atlas agrémenté de riches illustrations témoigne du contraire. Le domaine marin côtier du Pays basque et du sud des Landes a fait l’objet de nombreux travaux thématiques sur le milieu physique, le milieu vivant, les ressources halieutiques et les activités qui s’y pratiquent. Un important travail de synthèse a été réalisé par des équipes scientifiques qui, à des degrés divers, se sont investies pour mettre leurs résultats à la portée du plus grand nombre. Elles ont voulu transmettre leurs connaissances mais également leur passion pour cette façade...
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Ano: 2009 URL: https://archimer.ifremer.fr/doc/00505/61656/66460.pdf
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Bassin Adour-Garonne : hydrologie et phytoplancton – Résultats 2013-2018 ArchiMer
Auby, Isabelle; D'Amico, Florence; Meteigner, Claire; Rumebe, Myriam; Tournaire, Marie-pierre; Rigouin, Loic; Gouriou, Laure; Lissardy, Muriel; Sanchez, Florence; De Casamajor, Marie-noelle; Morandeau, Gilles; Ganthy, Florian; Trut, Gilles; Trut, Florence; Caill-milly, Nathalie; Oger-jeanneret, Helene; Guesdon, Stephane; Chabirand, Jean-michel; Morin, Dimitri; Piraud, Aude; Geairon, Philippe; Grizon, James; Seugnet, Jean-luc; Thomas, Gerard; Bruneau, Audrey; Soudant, Dominique; Gautier, Emeric; Michel, Valérie; Dupin, Michel.
Ce rapport rend compte des résultats sur les paramètres hydrologiques et le phytoplancton acquis dans le cadre de la DCE (contrôle de surveillance entre 2013 et 2018), dans les masses d’eau côtières et de transition du bassin Adour-Garonne
Tipo: Text Palavras-chave: Directive Cadre sur l’Eau; Hydrologie; Phytoplancton.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00516/62735/67113.pdf
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BELARA – « oBservations en mEr pour Le diAgnostic socio-économique NatuRa 2000 "Mer et LittorAl" » - Contribution au diagnostic socio-économique des sites Natura 2000 en mer « Côte basque rocheuse et extension au large » et littoraux « Domaine d’Abbadia et corniche basque », « Falaises de Saint-Jean-de-Luz à Biarritz » et « Rochers de Biarritz : le Bouccalot et la Roche ronde », par des embarquements et des enquêtes auprès des pêcheurs professionnels. ArchiMer
Morandeau, Gilles; Caill-milly, Nathalie; Sanchez, Florence; Degremont, Isabelle; Bouisset, Christine.
Le présent document concerne le résultat des travaux confiés à l'IFREMER et à l'UPPA sur l'usage "pêche professionnelle". Il s'appuie sur des observations en mer à bord de navires de pêche (IFREMER/LRHA) et sur des enquêtes de perception de la démarche Natura 2000 (UPPA/SET) auprès de pêcheurs professionnels et de leurs représentants. Elles concernent le site Natura 2000 « Côte basque rocheuse et extension au large » (FR7200813).
Tipo: Text
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00187/29863/28314.pdf
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Biodiversity and distribution of bivalves on the Aquitain coast (Bay of Biscay, France) ArchiMer
De Casamajor, Marie-noelle; Caill-milly, Nathalie; Morandeau, Gilles; Lissardy, Muriel.
Tipo: Text Palavras-chave: Bivalves; Bathymetric distribution; Sedimentation; Exploitation; Aquitaine.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00066/17727/15235.pdf
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Brown muscle disease (BMD), an emergent pathology affecting Manila clam Ruditapes philippinarum in Arcachon Bay (SW France) ArchiMer
Dang, C; De Montaudouin, X; Gonzalez, P; Mesmer Duldons, N; Caill-milly, Nathalie.
We describe an emerging pathology, brown muscle disease (BMD), which specifically affects the Manila clam Ruditapes philippinarum in Arcachon Bay (France). BMD induces a transformation of the posterior adductor muscle, which becomes infused by conchiolin and calcified, reducing the ability of clams to bury. The disease affects both types of muscular tissue, with striated muscle becoming affected to a higher degree than smooth muscle. Two indices were created to quantify the symptoms: the Muscle Print Index, used for empty and live shells, and the Final Disease Index, utilized for live clams only. Histological sections were made and observed under light microscopy to examine the muscular damage and to investigate a causal agent. Sections revealed an...
Tipo: Text Palavras-chave: Light microscopy; Pathology; Adductor muscle; Ruditapes philippinarum; Clam; Brown muscle disease.
Ano: 2008 URL: https://archimer.ifremer.fr/doc/2008/publication-4556.pdf
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Campagne d'évaluation de stock de palourdes du bassin d'Arcachon. Année 2014 ArchiMer
Sanchez, Florence; Caill-milly, Nathalie; Lissardy, Muriel; Bru, Noelle.
Tipo: Text
Ano: 2014 URL: https://archimer.ifremer.fr/doc/00233/34383/32765.pdf
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Campagne d'évaluation du stock de palourdes du bassin d'Arcachon - Année 2006 ArchiMer
Caill-milly, Nathalie; Duclercq, Benoit; Morandeau, Gilles.
Between 1980 and 1986, some Arcachon oyster farmers took up breeding the Japanese clam on the foreshore (Robert et Deltreil, 1990). This production was short lived. The steep fall in prices due to economic competition from Spain, Portugal, Italy and Tunisia, predator action such as the trigger fish (Popovsky et al., 1999), added to the significant amount of mortality that occurred in the summer and autumn of 1992 that affected two-thirds of the total stock, led to clam farming being abandoned at the end of the 1980s. In the Arcachon basin, the Japanese clam (Ruditapes philippinarum) population, now natural to the area, has found favourable conditions for development and is expanding rapidly there. This species has been supplanting the local species...
Tipo: Text Palavras-chave: Ruditapes philippinarum; Veneridae; Popluation structure; Biomass; Stock assessment; Arcachon Bassin; Veneridae; Ruditapes Philippinarum; Bivalvia; Mollusca; Structure Population; Biomasse; Abondance; Evaluation Stock.
Ano: 2006 URL: https://archimer.ifremer.fr/doc/2006/rapport-2218.pdf
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Campagne d’évaluation du stock de palourdes du bassin d’Arcachon. Année 2018 ArchiMer
Sanchez, Florence; Caill-milly, Nathalie; Lissardy, Muriel.
This report details the results of clam stock assessment survey, which took place between 14 May and 17 June 2018 in Arcachon Bay. Co-organized with CDPMEM33, with financial support from DLAL FEAMP Arcachon Basin Val de l'Eyre, Nouvelle-Aquitaine region, the CDPMEM33 and Ifremer, the clam stock assessment and its characteristics were provided. The samples were collected from 533 sampling stations distributed over an area of 52 km², with an Hamon grab, using a generalized random tessellation stratified spatially balanced design (GRTS). Venerupis philippinarum remains the dominant species with 99 % of the population. The size distribution of Manila clam is in the range 5 – 41 mm with a main mode around 24-28 mm. In 2018, the mean densities are 39 individuals...
Tipo: Text Palavras-chave: Évaluation de stock; Palourde japonaise; Venerupis philippinarum; Bassin d’Arcachon Key words: stock assessment; Manila clam; Venerupis philippinarum; Arcachon Bay.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00477/58897/61456.pdf
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Caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du sud de l'Europe ArchiMer
Leaute, Jean-pierre; Caill-milly, Nathalie.
Tipo: Text
Ano: 2004 URL: http://archimer.ifremer.fr/doc/00327/43798/55302.pdf
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Caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du sud de l'Europe. ArchiMer
Leaute, Jean-pierre; Caill-milly, Nathalie.
The European contract PECOSUDE (Small inshore fisheries of the south of Europe) accepted in 2000 for 2 years concerns French partners (IFREMER, GEOLITTOMER and CEMAGREF), Spanish (AZTI, UPV and IEO) and Portuguese (IPIMAR). For the renegotiation of the PCP in 2002, the aim is to assess the inshore and estuarian fisheries from the Loire to the Portugal. Three levels of study are considered : halieutics (data 1999), socio-economy and marketing (in progress). Frequentation of 12 miles area for France and continental shelf for northern Spain and Portugal, as well as the fishing period lower than 96 hours was determined as the definition of this fishery for the study
Tipo: Text
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00260/37151/35681.pdf
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Caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du sud de l'Europe - Rapport final - France - Sud golfe de Gascogne ArchiMer
Leaute, Jean-pierre; Caill-milly, Nathalie.
Tipo: Text Palavras-chave: Côtes atlantiques de l'Europe; Golfe de Gascogne; Côtes portugaises; Typologie; Enquêtes socio-économiques; Flottilles de pêche côtière et estuarienne; Indicateurs économiques; European Atlantic coasts; Bay of Biscay harbours; Portuguese coasts; Fishing typology; Socio-economic inquiries; Coastal and estuarian fishing fleet; Economics factors..
Ano: 2002 URL: http://archimer.ifremer.fr/doc/00327/43813/43387.pdf
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Caractéristiques des petites pêches côtières et estuariennes françaises du sud du golfe de Gascogne. ArchiMer
Leaute, Jean-pierre; Caill-milly, Nathalie; Leblond, Emilie.
A travers le projet européen PECOSUDE (n° 99/024) signé en 2000 pour 2 ans, les trois pays participants, la France, l’Espagne et le Portugal ont eu pour objectif de décrire les caractéristiques des petites pêches côtières et estuariennes de la côte atlantique du Sud de l’Europe (de la Loire au Portugal). Ce travail s’est basé sur un bilan des flottilles côtières, du point de vue des typologies, de l’aspect économique et social de l’activité et de la commercialisation des produits issus de cette pêche. La compréhension des systèmes d’exploitation impose l’utilisation conjointe des connaissances de l’halieutique (données 1999), de l’environnement, de l’économie et du social (données 2000). La fréquentation de la zone des 12 milles pour la France et du...
Tipo: Text
Ano: 2005 URL: http://archimer.ifremer.fr/doc/00260/37154/35684.pdf
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Characterizing catches taken by different gears as a step towards evaluating fishing pressure on fish communities ArchiMer
Fauconnet, Laurence; Trenkel, Verena M.; Morandeau, Gilles; Caill-milly, Nathalie; Rochet, Marie-joelle.
To implement an ecosystem approach to fisheries management, there is a need to characterize the total pressure exerted by fisheries at the community level. French onboard observer data were used to derive catch metrics and compare fishing distribution across community components between two sites in the Southern Bay of Biscay. Sample-based rarefaction curves were used to standardize metrics across different active and passive gears, and correct for sample size differences. Six metrics for species, length and functional catch composition were tested. Length and functional metrics were found the most relevant metrics to highlight differences in catches between gears, sites, and gear-site interactions. Significant differences were found between gears, mainly...
Tipo: Text Palavras-chave: Catch diversity; Gear comparison; Multivariate analyses; Southern Bay of Biscay.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00248/35882/34468.pdf
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Correlation between perkinsosis and growth in clams Ruditapes spp. ArchiMer
Dang, Cecile; De Montaudouin, Xavier; Binias, Cindy; Salvo, Flora; Caill-milly, Nathalie; Bald, Juan; Soudant, Philippe.
Perkinsosis is one of the most widespread diseases affecting commercially important species of molluscs globally. We examined the impact of Perkinsus spp. on shell growth at the individual scale in 2 clam species: Ruditapes decussatus from Mundaka Estuary (Spain) and R. philippinarum from Arcachon Bay (France). At Arcachon, 2 contrasting sites in terms of environment and Perkinsus olseni presence were chosen: Arguin (disease-free) and Ile aux Oiseaux (infected site). We monitored the dynamics of perkinsosis over the course of the experiment at Mundaka and Ile aux Oiseaux. Prevalences were high (>70%), and intensities were around 10(5) cells g(-1) wet gills at Ile aux Oiseaux, and 10(6) cells g(-1) at Mundaka. No significant differences in prevalence or...
Tipo: Text Palavras-chave: Clams; Perkinsus spp.; Perkinsus olseni; Ruditapes philippinarum; Ruditapes decussatus; Growth.
Ano: 2013 URL: https://archimer.ifremer.fr/doc/00166/27733/25951.pdf
Registros recuperados: 60
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