Résultats de la recherche
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Krill catch distribution in relation to predator colonies 1987 to 1992
is similar to that seen for other years, with 70% of the total catch from Subarea 48.1 being taken ... -distance’). Although data reporting was not complete for Subarea 48.2 in 1992, it was estimated that 38% of ... previous years. It is estimated that the catch in the critical period-distance was equal to 12% and 15% of ...
Meeting Document : WG-KRILL-93/10 : Auteur(s): Secretariat
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Have Antarctic toothfish returned to McMurdo Sound?
, has led to conclusions that the commercial bottom longline fishery for toothfish in the Ross Sea has ... drastically altered the toothfish population with cascading effects on the McMurdo Sound ecosystem. However ... prior to 2002. These results suggest that either large and old fish have returned to McMurdo Sound ... following a temporary environmentally driven absence or that they remained locally present but were not ...
Meeting Document : WG-FSA-15/P01 : Auteur(s): S.J. Parker, S. Mormede, A.L. DeVries, S.M. Hanchet and R. Eisert
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DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean
body colour, and 2 or more rows of finer teeth, that corresponded with the DNA haplotypes. The COI ... Abstract: The genus Macrourus is a small group of bentho-pelagic fishes with three species ... barcoding revealed low intra-species (0.0-0.002) and inter-species (0.006-0.020) sequence divergences, with ... same Ross Sea region specimens classified individuals into two groups: one with 9 pelvic fin rays, pale ...
Meeting Document : WG-FSA-10/33 : Auteur(s): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)
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Soumission de la demande par Singapour du statut de Partie non contractante (PNC) coopérant avec la CCAMLR en participant au système de documentation des captures (SDC)
Abstract: Singapore has requested that CCAMLR-XXXVII consider granting it status as a non ... -Contracting Party (NCP) cooperating with CCAMLR by participating in the Catch Documentation Scheme (CDS) for ... non-Contracting Party (NCP) cooperating with CCAMLR by participating in the Catch Documentation Scheme ...
Meeting Document : CCAMLR-XXXVII/35 : Auteur(s): CCAMLR Secretariat
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Estimating toothfish biomass in Subarea 48.3 using local depletions
individual vessel fishing events in these areas over this period, 40 of which appeared to be depletions ... . Applying a Leslie method we derived toothfish densities in these areas which were linearly correlated with ... the initial CPUE experienced by the fishing vessels. Using this correlation, combined with the average ...
Meeting Document : WG-FSA-SAM-04/18 : Auteur(s): Pearce, J., Agnew, D.
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Progress update on Antarctic toothfish inter-connectivity project
nine CCAMLR members with the vast majority of these collected during the 2017/18 season. Of the planned ... 550 sample sequences, DNA has been extracted so far from 473 samples with 304 samples containing ... sufficient quality and quantity to be sequenced. Genotype data has initially been collected from 90 samples ...
Meeting Document : WG-FSA-18/64 : Auteur(s): D. Maschette, A. Polanowsk, B. Deagle, D.C. Welsford and P. Ziegler
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A review of models of Southern Ocean ecosystems: krill, ecosystems and the impacts of harvesting
be suitable for developing an ecosystem approach to management. To facilitate the development of ... ecosystem models appropriate for CCAMLR, we review the existing models of Southern Ocean ecosystems that ... the studies that are still relevant today, and we note where major requirements for model development ...
Meeting Document : WG-EMM-04/67 : Auteur(s): S.L. Hill, E.J. Murphy, K. Reid, P.N. Trathan (United Kingdom), A. Constable (Australia)
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REFERENCE OBSERVATIONS FOR VALIDATING AND TUNING OPERATING MODELS FOR KRILL FISHERY MANAGEMENT IN AREA 48
than that suggested by WG-SAM, so the numerical calendar for this taxon deviates from the SAM calendar ... . The numerical calendar is a partly subjective interpretation of limited data and should not be ... several taxa that are adjusted for asynchronous observations and are potentially more suitable for ...
Meeting Document : WG-EMM-08/10 : Auteur(s): S. Hill (United Kingdom), J. Hinke (USA), É. Plagányi (South Africa) and G. Watters (USA)
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INTERANNUAL SPATIAL VARIABILITY OF KRILL (EUPHAUSIA SUPERBA) INFLUENCES SEABIRD FORAGING BEHAVIOR NEAR ELEPHANT ISLAND, ANTARCTICA
predators, indicating that when krill is less abundant, krill and its predators are less abundant and ... concentrated. We conclude that annual patch dynamics of krill strongly influences the local abundance and ... distribution of seabirds. Such information should be used to interpret potential interactions between seabirds ...
Meeting Document : WG-EMM-08/P12 : Auteur(s): J.A. Santora, C.S. Reiss, A.M. Cossio and R.R. Veit
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Potential VMEs around Elephant and the South Shetland Islands (Subarea 48.1)
ascidians) such that communities of many ‘light’ VME taxa have little to no chance of meeting this criterion ... new ‘diversity threshold’ is proposed in order to protect those VME taxa that do not occur in the ... types of communities where sponges and other heavy taxa occur. A clear example can be made of CITES ...
Meeting Document : WG-EMM-12/51 : Auteur(s): S.J. Lockhart (USA), N. Wilson (Australia) and E. Lazo-Wasem (USA)