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Commission pour la conservation de la faune et la flore marines de l'Antarctique

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  1. Aspects of the ecology of the bigeye grenadier at South Georgia

    estimates suggest that M. holotrachys is a long lived and moderately slow growing species, reaching ages of ... , an average number for a macrourid of this size. A highly skewed sex ratio of 33:1 females: males was ... suggested that females are far more susceptible to longline capture than males. M. holotrachys is a bentho ... - pelagic predator/scavenger that feeds on a wide range of fish and invertebrates. Author(s):  S.A. Morley ...

    Meeting Document : WG-FSA-03/16 : Auteur(s): S.A. Morley, T. Mulvey, J. Dickson and M. Belchier (United Kingdom)

  2. Seasonal relationships in biological parameters and in spatial distribution in the euphausiid populations sampled during the XIIIth and XVth expedition to the Ross Sea

    Abstract:  This report summarises the results of krill studies from a large-scale surveys of the ... . A midwater sampler-trawl (Hamburg Plankton Net) was used to collect zooplankton and fish larvae. Net ... samples data on Euphasiids were analysed at the aim of: 1) obtain a general picture of interannual and ... . crystallorophias had common spatial distribution. Juveniles of E. superba were concentrated in a delimited area in ...

    Meeting Document : WG-EMM-01/62 : Auteur(s): M. Azzali, J. Kalinowski, G. Lanciani, I. Leonori and A. Sala (Italy)

  3. Marine Protected Area planning by New Zealand and the United States in the Ross Sea region

    achieve the aims of Article 2 of the Convention.  CCAMLR has agreed a list of milestones for establishing ... a system of MPA in the Convention Area by 2012 (SC-CAMLR XXVIII, 3.28) and has encouraged Members to ... design and propose MPA scenarios on a regional basis.  The 2011 CCAMLR MPA Workshop is intended to ... facilitate this process by reviewing MPA scenarios prepared and submitted by Members and providing a forum ...

    Meeting Document : WS-MPA-11/25 : Auteur(s): B.R. Sharp (New Zealand) and G.M. Watters (USA)

  4. Results of E.L. Holmberg 1995 fish survey in Subarea 48.3

    aggregation of stations in a nested ANOVA model. An increase over last year's values was observed in the ... within the historical limits except for a the possible presence of a large eddy in the northern part of ... survey for krill which covered a total of 800 nautical miles in the South Georgia shelf has shown the ... ., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J. Title:  Results of E.L. Holmberg ...

    Meeting Document : WG-FSA-95/35 : Auteur(s): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.

  5. THE SELECTION OF TRIPS BASED ON DATA METRICS FOR THE ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

    Abstract:  A dataset for the 2009 assessment of Antarctic toothfish (Dissostichus mawsoni) in the ... released tags, and/or where tags released on the trip were subsequently recaptured at a high rate. These ... trips were used to define a range for various data quality metrics considered to be informative with ... recovery or where released tags were recaptured at a high rate, the majority of the catches, tag releases ...

    Meeting Document : WG-FSA-09/35 : Auteur(s): D.A.J. Middleton (New Zealand)

  6. VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES

    species richness, with highest richness occurring at depths of 900 to 1000 m, and with a broad plateau of ... concentrations of chlorophyll a and in zones of mixing of water bodies of contrasting origins. Local variation in ... their depth. Variables describing trawl length, trawl speed, and cod-end mesh size made a substantial ... mesh size and increasing trawl speed, but increased with increasing trawl distance, reaching a plateau ...

    Meeting Document : WS-VME-09/P04 : Auteur(s): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.

  7. RESPONSE OF ANTARCTIC BENTHIC COMMUNITIES TO DISTURBANCE: WRST RESULTS FROM THE ARTIWCIAL BENTHIC DISTURBANCE EXPERIMENT ON THE EASTERN WEDDELL SEA SHELF, ANTARCTICA

    this experimental field study. By means of 11 densely-placed hauls with a modified bottom trawl, a ... seabed area of approximately 100 x 1000 m was artificially scoured to inflict a similar damage to the ... benthic habitats as a grounding iceberg. Before the disturbance event and 11 days after it, the seafloor ... drastically reduced by a factor of 10, while mean abundances were only slightly reduced. Demersal fish biomass ...

    Meeting Document : WS-VME-09/P05 : Auteur(s): Rossi, S., Mintenbeck, K., Knust, R., Isla, E., Gerdes, D.

  8. Detailed distribution of krill fishing around South Georgia

    1 ° longitude) recorded statistics. Earlier analyses of these data have shown this was a shelf-break ... fishery over much of the Scotia Sea. Although these statistics give a general idea of where the fishery ... a seasonal pattern. In 1994 the fishery was almost totally based over a large shallow bank area on ... operated further west on a range of banks associated with submarine canyons. The data for 1993 were only ...

    Meeting Document : WG-EMM-96/64 : Auteur(s): Parkes, G., Everson, I., Trathan, P.N., Murphy, E.J.

  9. Population dynamics of wandering albatross Diomedea exulans and Amsterdam albatross D. amsterdamensis in the Indian Ocean and their relationships with longline fisheries: conservation implications

    amsterdamensis appears to have similarly recovered since 1985, but remains close to extinction. A demographic ... fishery and to a lesser extent the Patagonian tooth-fish fishery operating on the Kerguelen shelf ... : Decreased fishing effort and a concentration outside the central Indian Ocean by the Japanese fishery during ... recent years has probably resulted in the slow recovery of these albatross populations as a result of ...

    Meeting Document : WG-FSA-96/09 : Auteur(s): Jouventin, P., Brothers, N., Weimerskirch, H.

  10. Possible effects of different levels of fishing on krill on predators - some initial modelling attempts

    of the parameters of predator survival rates as functions of krill abundance, by considering a krill ... breeding success patterns for certain krill predator species. A "one-way" interaction model is ... . However, the analyses also raise a number of questions about the proper interpretation of the available ... merit discussion at the forthcoming WG-Kril1 and WG-CEMP meetings. A formalism for a "two-way" ...

    Meeting Document : WG-KRILL-93/43 : Auteur(s): D.S. Butterworth and R.B. Thomson (South Africa)

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E-mail: ccamlr [at] ccamlr [dot] org
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Adresse: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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