Resultados de la búsqueda
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Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)
day, closed for 2 days, and then re-opened, a situation that was criticised by some Members. The ... Secretariat catch and effort monitoring procedure) and proposes a revised approach for catch and effort ... will follow a defined and published set of decision rules to calculate closure dates of exploratory ... have notified their intent to fish. After this time the Secretariat will transition to a projection ...
Meeting Document : WG-FSA-18/07 : Autor(es): CCAMLR Secretariat
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A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS
-Antarctic islands, and can be used to monitor the health of burrowing petrel populations. A survey of skuas ... at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... km2) had a feral population of cats from the 1950s to 1980s, and still supports a large population of ... breeding pairs at Prince Edward Island increased from 2001 to 2008, probably as a result of better coverage ...
Meeting Document : WG-EMM-10/P3 : Autor(es): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
2239 icefish (130-560 mm total length) were examined. A bootstrapping technique was used to calculate ... ) fish tended to prey on a higher proportion of T. gaudichaudii and small euphausids such as Thysanoessa ... sp. and took smaller quantities of E. superba. In a season of poor krill availability (summer of 2003 ... was followed by a large reduction (> 80%) in the estimated annual biomass of C. gunnari the ...
Meeting Document : WG-FSA-08/29 : Autor(es): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Proposal for the establishment of a marine CCAMLR MPA in the Weddell Sea (Antarctica) – First conceptual outline
, the Commission welcomed the offer of Germany to take the lead in developing a Weddell Sea MPA for ... study aiming at a Weddell Sea MPA, (ii) give a systematic overview of our preliminary data retrieval ... and data sets and (iii) set out the project timeline in detail, i. a. to highlight an international ... expert workshop on the planning of a Weddell Sea MPA in 2014. Author(s): K. Teschke, B. Dorschel, J ...
Meeting Document : WG-EMM-13/22 : Autor(es): K. Teschke, B. Dorschel, J. Gutt, S. Hain, H. Hellmer, K. Jerosch, R. Knust, K.-H. Kock, M. Schlüter, V. Siegel and T. Brey (Germany)
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An assessment strategy evaluation framework for testing the application of a CASAL based management system to the HIMI fishery
Abstract: A useful way of testing assessment methodology and related decisions is through the ... framework of management strategy evaluation and the simpler form of assessment strategy evaluation. Such a ... entire management system can be evaluated against a number of suitably chosen performance measures. This ... paper defines the term Assessment Strategy Evaluation (ASE) and provides a practical framework for ...
Meeting Document : WG-SAM-07/13 : Autor(es): I.R. Ball and S.G. Candy (Australia)
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Towards a closer cooperation between CCAMLR and the IWC
; Considerations for re-establishing minke whales as a monitoring species in the CCAMLR Ecosystem Program (CEMP ... ); and Annual exchange of information. SC-CAMLR suggests that a closer collaboration between CCAMLR and ... the IWC could best be achieved by forming a small liaison group with IWC-SC which could work (mostly ... by correspondence) on matters outlined above. Members of this group should cover a wide range of ...
Meeting Document : SC-CAMLR-XVII/BG/03 : Autor(es): CCAMLR Observer (K.-H. Kock, Germany)
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
Abstract: We present a model at the level of the foraging trip for the effects of a fishery on ... krill (Euphausia superba) predators, using the Adelie penguin (Pygoscelis adeliae) as a model organism ... of penguin reproductive success and adult survival in the absence or presence of a fishery. The ... according to an age-structured, stochastic recruitment model. Furthermore, there is a spatial-temporal ...
Meeting Document : WG-EMM-98/48 : Autor(es): M. Mangel and P.V. Switzer (USA)
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A fish stock assessment survey design for Subarea 48.1
Abstract: There is a lack of information regarding the abundance of exploitable finfish in ... Subarea 48.1. A comprehensive, bottom trawl survey offish stocks in Subarea 48.1 would make it easier for ... Scientific Committee in giving management advice to the Commission. A stratified random survey is proposed ... ). A rule is derived from catch rate data obtained during previous stock assessment surveys around ...
Meeting Document : WG-FSA-92/07 : Autor(es): G. Watters (USA)
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A proposed process for the management of model updates and software versions for stock assessment used within CCAMLR with the example of the CASAL software
Abstract: We propose a process by which to select the version of software generally used for ... available only in a more recent development version are necessary. If a different version is used, then the ... expected. Author(s): S. Mormede and A. Dunn (New Zealand) Title: A proposed process for the management of ...
Meeting Document : WG-SAM-14/32 : Autor(es): S. Mormede and A. Dunn (New Zealand)
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Using vessel acoustics to detect diving patterns of krill foraging predators automatically: Development of a novel method for quantifying impact of krill fishing on seals and penguins
Abstract: The aim of this work was to assess the possibilities of automatically generating a ... dataset of dive behaviour of air-breathing predators, based on acoustic data from a monitoring survey and ... of diving predators in the data is feasible. A relatively low detection probability of our algorithms ... a reasonable level of precision, data on the dive behaviour of air-breathing predators from the echo ...
Meeting Document : WG-EMM-15/25 : Autor(es): T.A. Klevjer, O.R. Godø and B. Krafft (Norway)