Результаты поиска

1. 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 : Автор(ы): A. Rélot-Stirnemann (France)

2. A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region

   Abstract:  Natural mortality (M) is a key parameter in fisheries stock assessments, relating ... directly to the productivity of a stock, stock status, and estimated precautionary yields. In the Ross Sea ... the stock assessment model. We undertake a preliminary investigation of estimating natural mortality ... using the assessment model from the Ross Sea region from 2017. We estimated natural mortality as a ...

   Meeting Document : WG-SAM-2019/04 : Автор(ы): B. Moore, S. Mormede, S. Parker and A. Dunn

3. 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 : Автор(ы): Délégation française

4. 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 : Автор(ы): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

5. 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 : Автор(ы): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)

6. Assessing the feasibility of regional surveys of land-based predator abundance in the Southern Ocean: a framework for decision making and planning

   abundance of land-based predators. At the 2001 meeting of WG-EMM it was proposed that a workshop be held in ... 2002 to assess the feasibility of such broad-scale surveys, and a small intersessional correspondence ... intersessional group developed a draft decision-making framework for planning regional scale surveys and agreed ... that it be applied at the workshop to a selected region as a means of both assessing and/or developing ...

   Meeting Document : WG-EMM-02/45 : Автор(ы): C. Southwell (Australia)

7. 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 : Автор(ы): Proposed by Italy

8. A revision of yield and catch controls for managing the mackerel icefish (Champsocephalus gunnari) fishery in the vicinity of Heard Island and McDonald Islands

   Abstract:  A recent 2000 survey of mackerel icefish in the vicinity of Heard Island enabled a ... previous years, it is dominated by a strong age 2 year class. Estimates of yield for the Heard Island ... fishing seasons. The results of the 2000 survey confirm the need to retain a closure to fishing on Shell ... to enter the fishery prior to assessments occurring. Author(s):  A. Constable, R. Williams, T. Lamb ...

   Meeting Document : WG-FSA-00/41 : Автор(ы): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)

9. CCAMLR spatial management GIS: potential applications for informing the development of a representative system of MPAs

   Abstract:  We have developed a Geographic Information System (GIS) and accompanying metadata to ... protected areas as part of the development of a representative system of Antarctic marine protected areas ... proportion of bioregion areas protected by MPAs. The database also provides a central repository for ... information on the location and status of designated MPAs, which will be a key requirement for the effective ...

   Meeting Document : WS-MPA-11/20 : Автор(ы): S.M. Grant, S.L. Hill and P.T. Fretwell (UK)

10. Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations

    -lived species. Over an extended period (e.g. a decade or more), the catch is divided into a sustainable ... yield component and an unsustainable “windfall” component associated with a one-time reduction in stock ... biomass. The size of the windfall is expressed as being equivalent to a number of years of sustainable ... production, in the form of a “windfall ratio”. The DCAC is calculated as the sum of catches divided by the ...

    Meeting Document : WG-SAM-11/P3 : Автор(ы): A.D. McCall

Страницы