Resultados de la búsqueda

1. Preliminary assessment of toothfish in Subarea 48.3

   continue for the next 35 years then appropriate long-term yields could be as low as 975 tonnes.  This ... due to a combination of a strong 2001 cohort and a change in selectivity for the commercial fleet, but ... would be appropriate, at least until catch-at-age data can confirm the strength of the 2007 cohort ... recruitment suggests a long-term yield of 3 200 t.  If year class strengths have been low since 1994 and ...

   Meeting Document : WG-FSA-11/33 Rev. 1 : Autor(es): T. Peatman, R.E. Mitchell, G. Parkes and D.J. Agnew (United Kingdom)

2. Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update

   Subarea 48.4 presented in 2010. The CASAL model is improved through the incorporation catch at age data ... , as an alternative to the catch at length data that were the only such data available in 2010. The ... catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ... , and for the purpose of the experimental work leading to a stock assessment. Data collected in the ...

   Meeting Document : WG-FSA-11/38 : Autor(es): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)

3. CEMP Sites

   colony is monitored for parameters such as adult arrival weight, breeding population size, breeding ... Point (King George Island)- SPS Argentina Stranger Point is an area in the southwest of King George ... following parameters are monitored in the area for Adelie penguins: adult arrival weight, breeding ... Argentina Marambio (Penguin Point) is an area located at Marambio/Seymour Island. This colony is part of the ...

   Page : Site Section: Science

4. The ICES Benchmark Protocol

   Abstract:  The ICES Benchmark Protocol is a review process for evaluating the data and analyses ... that form the basis of ICES management advice for a stock. The review examines stock structure, fishery ... benchmark is agreement on an assessment methodology that is to be applied in annual update assessments, for ... characteristics, biological and assessment data, stock assessment and projection methodology. The review is ...

   Meeting Document : WG-SAM-14/16 : Autor(es): C. Darby (United Kingdom)

5. The feeding peculiarities of the Antarctic seals in the region of the archipelago of Argentina Islands

   first time in given region. These results have great value not only for a definition of an actual ... that krill (Euphausia superba) is the main type of food for the major species of seals in region. Krill ... makes 97,2 % to a diet of fur seals (Arctocephalus gazella) and 90 % to a diet crabeater seal (Lobodon ... testifies to enough qualitative and sufficient forage reserve for pregnant Weddell seal females in ...

   Meeting Document : WG-EMM-12/P01 : Autor(es): I. Dykyy

6. Results of a scientific electronic monitoring pilot study on the FV Janas during the 2017/18 Ross Sea fishing season

   Abstract:  During the 2017/2018 toothfish season in the Ross Sea, the New Zealand flagged Janas ... for biological and other sampling by reducing the time spent on tasks such as line setting ... Ross Sea fishing season Microsoft Word File:  sam-18-20.docx Approval:  Approved Secretariat Workflow ... Status:  Content Approved Delegation responsibility for releasing documents:  New Zealand ...

   Meeting Document : WG-SAM-18/20 : Autor(es): B. Plum, A. Smith and S. Parker

7. Validation of sink rates of longlines measured by two different methods

   bottles may be an appropriate means for measuring sink rates to shallow depths (> 5 m) that they should ... difficult and unreliable with bottles. Bottles had a higher failure rate (51 – 68 %) than TDRs (> 90 ... %), for example, with string becoming entangled or bottles vanishing from sight. We recommend while ... not be used for estimating sink rates to greater depths. Author(s):  B. Wienecke and G. Robertson ...

   Meeting Document : WG-FSA-03/62 : Autor(es): B. Wienecke and G. Robertson (Australia)

8. How precautionary is the policy governing the Ross Sea Antarctic toothfish (Dissostichus mawsoni) fishery?

   Abstract:  This article reviews the adequacy of data and models currently being used to estimate ... the Ross Sea regional ecosystem. It argues that the current tagging program is unlikely to provide an ... biomass and the ratio of current to pre-exploitation biomass are unreliable. Many parameters necessary for ...

   Meeting Document : WG-FSA-13/P02 : Autor(es): P.A. Abrams

9. Aerobic dive limit: how often does it occur in nature?

   constraint in their everyday behaviors. An important component of the physiological capability of any diving ... animal is it’s aerobic dive limit (ADL). The ADL has only been measured in a few species. The goal of ...

   Meeting Document : WG-EMM-00/48 : Autor(es): D.P. Costa, N.J. Gales and M.E. Goebel (USA)

10. Performance metrics to index the spatial coverage of mark-recapture data

    spatial coverage of fishing effort to recapture tagged fish is an important consideration when ... measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... important focus topic for WG-SAM (SC-CAMLR-XXXIV, 2015, para 3.83). This paper outlines developments towards ... new biomass-weighted spatial overlap summary statistics for tagging data. The method calculates two ...

    Meeting Document : WG-SAM-16/13 : Autor(es): C. Marsh, A. Dunn and S. Mormede

Páginas