Resultados de la búsqueda
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Informing the Scientific Committee about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... and the EU has submitted a revised CM proposal to CCAMLR 2018. This document is based on similar ... documents submitted to WG SAM 2018 and the CCAMLR Workshop on Spatial Management (WS-SM-18). It intends to ...
Meeting Document : SC-CAMLR-XXXVII/BG/14 Rev. 1 : Autor(es): Delegation of Germany
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Interaction of sperm whales with bottom longline and the Mammal and Bird Excluding Device (MBED) operation in the Patagonian toothfish (Dissostichus eleginoides) fishery in the southwestern Atlantic
Abstract: This paper describes the interaction between sperm whales (Physeter macrocephalus) and ... the toothfish fishery (Dissostichus eleginoides) carried out by longline fishing vessels operating in ... two different fishing zones at 40º and 50º latitudes in the Southwestern Atlantic from March to May ... 2007. 62 hauls were performed in the northern zone (latitude 40º 00’ S), while 41 hauls were performed ...
Meeting Document : WG-FSA-07/23 : Autor(es): O. Pin and E. Rojas (Uruguay)
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Standing stock estimates of finfish biomass from the 2002 Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1) with some notes on the composition of catches taken north of Joinville Island – D’Urville Island
species in the region, decreased significantly since 1998. No indication was found for the presence of a ... and the South Shetland Islands in January – February 2002 in close collaboration with the U.S ... distribution of the abundant fish species was provided. Estimates of total biomass for Elephant Island and the ... results obtained in 1998 and 2001 for most species. Length compositions in the most abundant species ...
Meeting Document : WG-FSA-02/24 : Autor(es): K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR Secretariat), D.F. Doolittle (USA), M. la Mesa (Italy), L. Psenichnov (Ukraine), R. Riehl (Germany), T. Romeo (Italy), S. Schöling (Germany) and L. Zane (Italy)
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Density and abundance estimates of baleen whales recorded during the 2019 DY098 cruise in the Scotia Sea around South Georgia and the South Sandwich Islands
Abstract: We use cetacean sightings data collected from the northern and eastern Scotia Arc ... (CCAMLR Subareas 48.3 and 48.4) during the 2018/19 international synoptic krill survey to provide ... (Balaenoptera physalus) and for all other baleen whale species sighted. The survey was designed to collect data ... on the abundance of krill and so was not optimised for deriving design-based cetacean abundance ...
Meeting Document : WG-EMM-2019/27 : Autor(es): M. Baines, M. Reichelt, C. Lacey, S. Pinder, S. Fielding, N. Kelly, E. Murphy, P. Trathan and J.A. Jackson
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Informing the Working Group on Fish Stock Assessment about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... and the EU has submitted a revised CM proposal to CCAMLR 2018. This document is based on similar ... documents submitted to WG SAM 2018 and the CCAMLR Workshop on Spatial Management (WS-SM-18). It intends to ...
Meeting Document : WG-FSA-18/08 Rev. 1 : Autor(es): S. Hain, K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA project team
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The role of fish in the Antarctic marine food web: differences between inshore and offshore waters in the southern Scotia Arc and west Antarctic Peninsula
terms of biomass for most of the high level predators from demersal fish up to whales. This has no ... Abstract: The role of fish in the Antarctic food web in inshore and offshore waters is analysed ... taking as an example the coastal marine communities of the southern Scotia Arc (South Orkney Islands and ... South Shetland Islands) and the west Antarctic Peninsula. Inshore, the ecological role of demersal fish ...
Meeting Document : WG-FSA-02/6 : Autor(es): E. Barrera-Oro (Argentina)
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Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data
age frequencies, provided no further information on the biomass trajectories in the model considered ... Abstract: Antarctic and Patagonian toothfish stocks in the Antarctic have been assessed within ... initially run annually, but have been run biennially since 2007. This document investigates the impact on ... tag recapture data. Examining the impact of considering a subset of the available data simulates both ...
Meeting Document : WG-SAM-11/17 : Autor(es): S. Mormede (New Zealand)
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Discrimination of two species of grenadier (Gadiformes, Macrouridae), Macrourus whitsoni and M. caml, in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2) on the basis of otolith morphometrics
Abstract: Two species of grenadier are predominatly taken as bycatch in the Ross Sea region ... fish taken as bycatch in the Ross Sea on New Zealand fishing vessels in the 2011–12 fishing year were ... used to test whether the otoliths of the two species can be discriminated. Samples of both species of ... in the sample were 34.5–65.1 cm total length (TL), and 12.0–24.0 cm pre-anal length (PAL); lengths of ...
Meeting Document : WG-FSA-14/63 : Autor(es): M.H. Pinkerton, C. Ó Maolagáin, J. Forman and P. Marriott (New Zealand)
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Cruise report of multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic (CCAMLR Division 58.4.1) with a focus on Antarctic krill during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Abstract: A multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic ... (CCAMLR Division 58.4.1) with a focus on Antarctic krill was carried out by Kaiyo-maru during the 2018/19 ... season for 53 days. The survey consisted of 2 survey periods: Leg 1 (from 15 December 2018 to January ... ended at ice edge on 125°50.0’E. Two small scale oceanographic surveys (off the Mertz Glacier Tongue and ...
Meeting Document : WG-EMM-2019/42 : Autor(es): H. Murase, K. Abe, R. Matsukura, H. Sasaki, R. Driscoll, S. Driscoll, F. Schaafsma, M. van Regteren, Q. Yang, H. Ohshima, K. Ohshima, R. Sugioka, J. Tong, N. Yamamoto, H. Doiguchi, E. Briggs, K. Doi, D. Hirano, K. Katsumata, M. Kiuchi, Y. Ko, D. Nomura, M. Orui, H. Sato, S. Toyoda, K. Yamazaki, T. Ishihara, K. Hamabe, S. Kumagai, T. Miyashita, N. Yamada, Y. Koyama and H. Sasaki
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
to estimate the CV. There was no reduction in CV for either series if a score of 3 was assumed. The ... Abstract: The integrated assessment of Patagonian toothfish, Dissostichus eleginoides, for the ... commercial catches with catch-at-age proportions using age length keys (ALKs) where the ALK for each ... combination of fishery and year had available at least 50 aged fish. For the trawl fisheries that were divided ...
Meeting Document : WG-SAM-09/09 : Autor(es): S.G. Candy (Australia)