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Registros recuperados: 5
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Large-scale spatio-temporal monitoring highlights hotspots of demersal fish diversity in the Mediterranean Sea ArchiMer
Granger, Victoria; Fromentin, Jean-marc; Bez, Nicolas; Relini, Giulio; Meynard, Christine N.; Gaertner, Jean-claude; Maiorano, Porzia; Garcia Ruiz, Cristina; Follesa, Cristina; Gristina, Michele; Peristeraki, Panagiota; Brind'Amour, Anik; Carbonara, Pierluigi; Charilaou, Charis; Esteban, Antonio; Jadaud, Angelique; Joksimovic, Aleksandar; Kallianiotis, Argyris; Kolitari, Jerina; Manfredi, Chiara; Massuti, Enric; Mifsud, Roberta; Quetglas, Antoni; Refes, Wahid; Sbrana, Mario; Vrgoc, Nedo; Spedicato, Maria Teresa; Merigot, Bastien.
Increasing human pressures and global environmental change may severely affect the diversity of species assemblages and associated ecosystem services. Despite the recent interest in phylogenetic and functional diversity, our knowledge on large spatio-temporal patterns of demersal fish diversity sampled by trawling remains still incomplete, notably in the Mediterranean Sea, one of the most threatened marine regions of the world. We investigated large spatio-temporal diversity patterns by analysing a dataset of 19,886 hauls from 10 to 800 m depth performed annually during the last two decades by standardized scientific bottom trawl field surveys across the Mediterranean Sea, within the MEDITS program. A multi-component (eight diversity indices) and...
Tipo: Text
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00216/32743/31322.pdf
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Modelling of European hake nurseries in the Mediterranean Sea: an ecological niche approach ArchiMer
Druon, Jean-noel; Fiorentino, Fabio; Murenu, Matteo; Knittweis, Leyla; Colloca, Francesco; Osio, Chato; Merigot, Bastien; Garofalo, Germana; Mannini, Alessandro; Jadaud, Angelique; Sbrana, Mario; Scarcella, Giuseppe; Tserpesi, George; Peristeraki, Panagiota; Carlucci, Roberto; Heikkonen, Jukka.
An ecological niche modelling (ENM) approach was developed to model the suitable habitat 36 for the 0-group European hake, Merluccius merluccius L., 1758, in the Mediterranean Sea. 37 The ENM was built combining knowledge on biological traits of hake recruits (e.g. growth, 38 settlement, mobility and feeding strategy) with patterns of selected ecological variables 39 (chlorophyll-a fronts and concentration, bottom depth, sea bottom current and temperature) 40 to highlight favourable nursery habitats. The results show that hake nurseries require stable 41 bottom temperature (11.8-15.0oC), low bottom currents (< 0.034 m.s-1) and a frequent 42 occurrence of productive fronts in low chlorophyll-a areas (0.1-0.9 mg.m-3) to support a 43 successful...
Tipo: Text
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00228/33947/32262.pdf
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Spatiotemporal abundance pattern of deep-water rose shrimp, Parapenaeus longirostris, and Norway lobster, Nephrops norvegicus, in European Mediterranean waters ArchiMer
Sbrana, Mario; Zupa, Walter; Ligas, Alessandro; Capezzuto, Francesca; Chatzispyrou, Archontia; Follesa, Maria Cristina; Gancitano, Vita; Guijarro, Beatriz; Isajlovic, Igor; Jadaud, Angelique; Markovic, Olivera; Micallef, Reno; Peristeraki, Panagiota; Piccinetti, Corrado; Thasitis, Ioannis; Carbonara, Pierluigi.
The main characteristics concerning the distribution of two of the most important decapod crustaceans of commercial interest in the Mediterranean Sea, the deep-water rose shrimp, Parapenaeus longirostris, and the Norway lobster, Nephrops norvegicus, are studied in the European Mediterranean waters. The study is based on data collected under the MEDITS trawl surveys from 1994 to 2015 from the Gibraltar Straits to the northeastern Levantine Basin (Cyprus waters). The observed differences can be interpreted as different responses to environmental drivers related to the differing life history traits of the two species. In fact, N. norvegicus is a long-living, benthic burrowing species with low growth and mortality rates, while P. longirostris is an epibenthic,...
Tipo: Text Palavras-chave: Nephrops norvegicus; Parapenaeus longirostris; Distribution; Trawl survey; Mediterranean Sea.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00489/60052/63331.pdf
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Stability of the relationships among demersal fish assemblages and environmental-trawling drivers at large spatio-temporal scales in the northern Mediterranean Sea ArchiMer
Mérigot, Bastien; Gaertner, Jean-claude; Brind’amour, Anik; Carbonara, Pierluigi; Esteban, Antonio; Garcia-ruiz, Cristina; Gristina, Michele; Imzilen, Taha; Jadaud, Angelique; Joksimovic, Aleksandar; Kavadas, Stefanos; Kolitari, Jerina; Maina, Irida; Maiorano, Porzia; Manfredi, Chiara; Micallef, Reno; Peristeraki, Panagiota; Relini, Giulio; Sbrana, Mario; Spedicato, Maria Teresa; Thasitis, Ioannis; Vittori, Stefania; Vrgoc, Nedo.
Trawling pressure and environmental changes may affect the composition of fish assemblages. Our knowledge on large spatio-temporal patterns of demersal fish composition remains incomplete for the Mediterranean Sea. We investigated (1) the spatio-temporal stability of demersal assemblages, (2) the relationships between these assemblages and potential structuring factors (trawling pressure and environmental conditions) in order to assess the dynamic of the assemblage structure at the scale of the northern Mediterranean Sea. We analysed a dataset of 18062 hauls from 10 to 800 m depth performed annually during the last two decades across 17 Geographical Sub-Areas (GSAs) (MEDITS program). A multi-table analysis (STATICO-CoA) evidenced a strong inter-GSAs...
Tipo: Text Palavras-chave: Species composition; Stability; Demersal assemblages; Environment; Fishing pressure; Large scale; Co-inertia analysis; STATICO-CoA.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00584/69629/67485.pdf
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Use of MEDITS trawl survey data and commercial fleet information for the assessment of some Mediterranean demersal resources ArchiMer
Abella, Alvaro; Belluscio, Andrea; Bertrand, Jacques; Carbonara, Pier Luigi; Giordano, Daniela; Sbrana, Mario; Zamboni, Ada.
An assessment of the state of the fisheries of hake, red mullet and Norway lobster was carried out by using trawl survey data from the MEDITS research programme. The assessment was performed by means of the application of a composite model utilising the total mortality rate Z as a direct index of fishing effort. The studied area covered the whole western Italian coast (Ligurian and Tyrrhenian seas) and the eastern coasts of Corsica. The area was divided into twelve sub-areas, considered to be of similar ecological characteristics with similar initial productivity but considered to experience different rates of exploitation. Available information on fishing fleets and their geographic distribution was used in creating sub-areas. For each one of these...
Tipo: Text Palavras-chave: Modèles composites; Estimation des stocks; Merluccius merluccius; Mullus barbatus; Nephrops norvegicus; Méditerranée; Composite models; Stock assessment; Merluccius merluccius; Mullus barbatus; Nephrops norvegicus; Mediterranean sea.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00188/29876/28360.pdf
Registros recuperados: 5
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