Search results
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A updated population status model for the Patagonian toothfish, Dissostichus eleginoides, at Kerguelen Islands (Division 58.5.1) using CASAL
Abstract: A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... -length data... CASAL is a simple, single-sex, single-area population model. The spatial complexity in the ... . Commercial catch are integrated in the model by CCAMLR season. A weighted combination of datasets was ... . The biomass long-term projection, done for the Patagonian toothfish with a simulated 5,100 tons catch ...
Meeting Document : WG-FSA-12/09 : Author(s): A. Rélot-Stirnemann (France)
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Note sur l'étude des effets environnementaux, spatiaux, temporels et opérationnels sur la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2003–2006
incidental mortality of seabirds was reduced by approximately half each year. A multivariate analysis has ... revealed that the incidental catch of white-chinned petrels and grey petrels is caused by a complex set of ... variables relating to the environment and fishing techniques. Results suggest that a significant proportion ... west) than at Crozet. Analyses show that a proportion of the incidental mortality can be explained by ...
Meeting Document : SC-CAMLR-XXVI/BG/21 : Author(s): Délégation française
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06
nine years in Subarea 88.1 and for five years in Subarea 88.2 with a large amount of data collected on ... fished. The 2006 D. mawsoni catch was the second highest on record with a total of 3388 t against a ... . The management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3 ... catch limit being slightly exceeded in the 2006 season. Concentration of effort within a smaller spatial ...
Meeting Document : WG-FSA-06/29 : Author(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Developing a carbon-budget trophic model of the Ross Sea, Antarctica: work in progress
Abstract: We report on the development of a carbon-budget trophic-model of the Ross Sea. We ... column, ice, and benthic). The simple trophic model requires well over a hundred parameters, each of ... explicit assumptions. The model is not complete, and should be considered a work in progress. A trial ... budget was created to quantify carbon flow through our conceptual model of the Ross Sea ecosystem. A ...
Meeting Document : WG-EMM-05/18 : Author(s): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)
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Proposal for a new Antarctic Specially Protected Area, Terra Nova Bay, Ross Sea
Abstract: The Area proposed for special protection is a small and narrow strip of waters ... extending approximately 9.5 km in length immediately to the south of Terra Nova Bay Station and up to a ... proposed have been selected on the basis of the following criteria: a) the proposed area encompasses the ... ) lines of latitude and longitude in the north, east and south offer a clear and practical definition of ...
Meeting Document : WG-EMM-02/56 : Author(s): Proposed by Italy
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MULTIPLE INDICATORS SUGGEST A STRONG ECOSYSTEM ANOMALY AT SOUTH GEORGIA IN 2009
, Euphausia superba, which is a major prey species for many vertebrate populations at South Georgia. The ... marine ecosystem at South Georgia is the focus of a major research effort and consequently there are many ... revealed a strong anomaly in early 2009. Above average sea temperatures, without any evidence of increased ... warm water inflow were followed by reduced icefish catches, a paucity of krill in icefish and penguin ...
Meeting Document : WG-EMM-09/23 : Author(s): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)
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Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey
success of a predator. In pelagic marine ecosystems, where prey is often patchily distributed, predators ... the surface, the time taken for a fur seal to locate a new patch after leaving an old one is an ... showed that fur seals foraged at two spatial distributions: (1) a fine-scale (median distance 0.18- 0.27 ... km) represented by short (5 rain) travel durations. In a study lasting 5 years, the distributions of ...
Meeting Document : WG-EMM-95/23 : Author(s): Boyd, I.L.
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A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
habitats. Noting the paucity of data on the ecology of these habitats, this paper provides a practical ... requirement can be translated into a simple operational objective: Maintain the quality of habitats above the ... ”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not ... paper develops a simulation model for this task, representing key properties of the benthic system such ...
Meeting Document : WG-SAM-09/21 : Author(s): A.J. Constable (Australia)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015 - Part B: Description of available spatial data
justification for the development of a marine protected area (MPA) in the Weddell Sea planning area. In ... documents (Part A-C). SC-CAMLR-XXXIV/BG/15 (Part A) sets out the general context of the establishment of ... areas for a Weddell Sea MPA. Here, the delegation of Germany intends to update the Scientific Committee ... Weddell Sea planning area. Chapter 2 provides a systematic overview of the current data situation ...
Meeting Document : SC-CAMLR-XXXIV/BG/16 : Author(s): Delegation of Germany
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Results of the 2015 multi-Member longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) and proposal for 2016 operations
Abstract: The first year of a two-year and multi-member research survey using standardised ... 88.2A–B. The sampling strategy and data collection adhered to standards set in CM 41-10 (2014). A total ... in the survey. The gonadosomatic index showed a decreasing trend from west to east across the ... block-specific catch limits to ensure a greater spread of effort, and a higher level of scientific ...
Meeting Document : WG-FSA-15/32 : Author(s): S.J. Parker, R.J.C. Currey (New Zealand), M. Söffker, C. Darby (United Kingdom), O. Godø (Norway) and A. Petrov (Russia)