Resultados de la búsqueda
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Update on the Top Predator Alliance project, 2013–14 season: Killer whales
reliance on toothfish as a critical prey item, have limited our ability to (a) assess the risk posed by the ... toothfish parts; no consumption of non-fish prey by TCKW was detected. We also observed a large number of ... TCKW with small and presumably suckling calves. Given that lactation represents a significant energy ... lactation. A comparison of energy expenditure with energy densities of fish prey indicates that available ...
Meeting Document : WG-EMM-14/52 : Autor(es): R. Eisert, M.H. Pinkerton (New Zealand), L. Torres (USA), R.J.C. Currey, P.H. Ensor, E.N. Ovsyanikova, I.N. Visser (New Zealand) and O.T. Oftedal (USA)
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OPTIONS FOR USING UNREPLICATED ECOSYSTEM MONITORING DATA TO DETECT IMPACTS
. Furthermore, CEMP data cannot be used in a standard environmental impact assessment framework as they lack ... an important challenge. Potential strategies are likely to consist of a method for inferring impacts ... and a schedule of tactical interventions in response to these impacts (e.g. restrictions on fishing ... activity). We discuss a range of inference methods which are tractable using CEMP data. These methods ...
Meeting Document : WG-EMM-09/26 : Autor(es): S. Hill, J. Forcada, P. Trathan and C. Waluda (United Kingdom)
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
Abstract: In 2013, the Scientific Committee of CCAMLR could not achieve consensus on a stock ... the recaptures of tagged fish seen in the SSRU 88.2H fishery. The patterns showed a sharp decay rate ... of a cohort of tagged fish with few being recaptured after more than 3 years at liberty, a steepening ... of the decay rate over time, and a trend for increasing proportions of tagged fish caught over time ...
Meeting Document : WG-FSA-14/56 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. In ... southern Ross Sea (Strata A–C) using standardised gear in a standardised manner; and monitoring trends in ... . Scaled length frequencies for the core strata indicate the progression of a strong year class that ...
Meeting Document : WG-SAM-17/01 : Autor(es): K. Large, L. Robinson and S. Parker
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Draft Krill Fishery Report
Abstract: At WG-EMM 2013 the Working Group agreed that it would be useful to have a consolidated ... summary of information related to the krill fishery in a similar format to the fishery reports that are ... the preparation of a draft krill fishery report for consideration at WG EMM-14 that would be similar ... in content to a finfish Fishery Report. The following compilation of information on the krill fishery ...
Meeting Document : WG-EMM-14/58 : Autor(es): Secretariat
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e-cc-xxix-a5.pdf
... Administration) of its Agenda (CCAMLR-XXIX/1, Appendix A) to the Standing Committee on Administration and ... that a full audit had been carried out on the 2009 Financial Statements. The report had identified no ... . REQUIREMENT FOR 2010 FINANCIAL STATEMENTS 5. SCAF recalled the Commission decision of 2009 approving a full ... Commission require a full audit to be performed on the 2010 Financial Statements. APPOINTMENT OF AUDITOR
application/pdf attached to:SCAF-10Meeting Report : SCAF-10
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e-cc-viii-aE.pdf
... (CCAMLR-VII, paragraph 150). Accordingly the Convener circulated a discussion paper (WG-DAC-89/3 ... krill, would be a suitable task for the Working Group to address at this year’s meeting. It had also ... scientific tasks and areas of immediate priority. In this context attention was drawn to: (a) the ... prevents a more comprehensive conservation strategy, the introduction of precautionary conservation
application/pdf attached to:WG-DAC-89Meeting Report : WG-DAC-89
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DRAFT SOFTWARE USER GUIDE FOR: ICESCAPE: INTEGRATING COUNT EFFORT BY SEASONALLY CORRECTING ANIMAL POPULATION ESTIMATES
Abstract: The ICESCAPE Software Users Guide (Appendix 1) describes a parametric bootstrap ... (2004) for Antarctic land-breeding predators. The software, which was developed as a suite of routines ... a breeding cycle when the availability fraction is substantially different from unity. Adjustment ... for availability standardises counts to a common reference point of breeding chronology, and is ...
Meeting Document : WG-SAM-09/16 : Autor(es): J. McKinlay, C. Southwell and R. Trebilco (Australia)
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UPDATED BIOLOGICAL PARAMETERS FOR THE ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
Ross Sea were identified to species. Sample sizes were small, but indicated a ratio of 10.75:1 of ... Amblyraja georgiana to B. cf. eatonii, which is consistent with a previous estimate based on a large sample ... length-weight regression relationships for male and female A. georgiana confirmed that male and female ... relationships differ significantly. Better estimates of median length at maturity were made possible through a ...
Meeting Document : WG-FSA-08/20 : Autor(es): M.P. Francis and S. Mormede (New Zealand)
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Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment
Abstract: Using a modeling framework for toothfish population dynamics, fishing and data ... collection, this study investigated how the bias and precision of a CASAL assessment is influenced by various ... aspects of a tagging program, in particular the effects of the numbers of fish tagged, the duration of a ... simulation study indicated that: (1) A high tag size-overlap (at least 60%, better 100%) and high tagging ...
Meeting Document : WG-SAM-12/24 : Autor(es): P.E. Ziegler (Australia)