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The use of net monitoring cable in trawl fishery for krill
Abstract: Based on the discussion at EMM 2016 we here present challenges, results and potential ... experiments. Due to the vessel-and gear differences of Saga Sea and Antarctic Sea presently using the ... therefore clarifies alternative approaches and suggests for Antarctic Sea the option of attaching the net ... cable to other operational cables of the trawl system thus avoiding a free third cable. Author(s): O.R ...
Meeting Document : WG-EMM-17/47 : Автор(ы): O.R. Godø
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Toward a System of Marine Protected Areas in the Southern Ocean
marine protected area (MPA) in the Ross Sea region, which will come into force on December 1 st this year ... . To continue momentum, CCAMLR Members must realize the extent of the commitment they made in 2009, and ... again in 2011 (CM 91-04) toward establishing a representative system of MPAs in the Convention Area. To ... the Weddell Sea and the Antarctic Peninsula in 2018. Here ASOC provides an overview of these proposals ...
Meeting Document : SC-CAMLR-XXXVI/BG/32 : Автор(ы): Submitted by ASOC
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Comparison of long-term trends in abundance, recruitment and reproductive success of five populations of Pygoscelis penguins in the South Shetland Islands, Antarctica
Abstract: Responses of predator populations to environmental variability in the Antarctic have ... Livingston Island, South Shetland Islands, Antarctica, were examined to compare up to 25 years of data on the ... , recruitment, and summer breeding performance of the Adélie (P. adeliae), gentoo (P. papua), and chinstrap ... penguins (P. antarctica). In general, the different trends in abundance and recruitment indices for each ...
Meeting Document : WG-EMM-06/21 : Автор(ы): J.T. Hinke (USA), K. Salwicka (Poland), S.G. Trivelpiece, G.M. Watters and W.Z. Trivelpiece (USA)
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Effects of sea-ice extent and krill or salp dominance on the Antarctic food web
trophic levels in the Antarctic marine food web. The pelagic tunicate Salpa thompsoni can also be ... important during spring and summer through the formation of extensive and dense blooms. Although salps are ... chlorophyll-a that indicate that there is a degree of competition between krill and salps. Our analysis of the ... decreased frequency of winters with extensive sea-ice development over the last five decades. Our data ...
Meeting Document : WG-EMM-97/73 : Автор(ы): Hewitt, R., Trivelpiece, S., Fraser, W., Holm-Hansen, O., Siegel, V., Trivelpiece, W., Loeb, V.
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Distribution and abundance of larval fishes collected in the western Bransfield Strait region, 1986–87
samples collected in the western Bransfield Strait region during four RACER program cruises, December ... , and Trematomus scotti, numerically dominated the total catch. Two typically abundant species in this ... differences appear to be responsible for substantial shifts in species abundance relations between the two ... types of net hauls. Gear differences, the restricted geographical coverage, and between year variability ...
Meeting Document : SC-CAMLR-VIII/BG/36 : Автор(ы): Delegation of USA
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Intra-annual variability in the abundance of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ krill density estimates
kHz) were deployed on moorings on- and off-shelf to the northwest of South Georgia to measure ... (mean = 89.5 g m-2 SD 64.2). A simple polynomial regression model with time as the independent variable ... explained 71% of the observed week-week variation. Mooring estimates of krill abundance were not ... periods suggesting that the mooring point estimates had relevance in a wider spatial context (ship surveys ...
Meeting Document : WG-EMM-06/25 : Автор(ы): R.A. Saunders, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein, D.G. Bone and A.S. Brierley (United Kingdom)
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Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for toothfish in the South Atlantic
were also noted in depth distribution of the sexes and the size of crabs. Depth, soak time and area ... P. formosa) were males above the legal size limit and could therefore be retained. All other crabs ... -immersion experiments indicated that on the vessel which emptied pots directly onto the factory conveyor ... belt 85% – 90% of crabs would survive discarding, whereas on the vessel where crabs were emptied down a ...
Meeting Document : WG-FSA-01/32 : Автор(ы): M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G. Pilling (United Kingdom)
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Parameters for the stochastic krill dynamics model (SKDM): selectivity and maturity
Abstract: The parameters used to model gear selectivity and maturity at length in the SKDM were ... derived from data available at the CCAMLR Data Centre or in documents submitted to past meetings of the ... Scientific Committee. In the SKDM, if l50 for selectivity and maturity is to be sampled from a uniform ... the stochastic krill dynamics model (SKDM): selectivity and maturity Approval: Approved ...
Meeting Document : WG-Krill-94/04 : Автор(ы): D.J. Agnew (Secretariat)
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Research plan for the exploratory fishery for Dissostichus spp. in Subarea 48.6 in 2013/14
Abstract: South Africa has notified its intention to participate in the exploratory fishery for ... Dissostichus spp. in Subarea 48.6 in 2013/14. The research plan details the objectives, rationale and ... progress report on the research fishing in Subarea 48.6 in 2012/13 was submitted jointly by Japan and South ... Africa (see WG-SAM-13/05). Author(s): Submitted by the Secretariat on behalf of South Africa Title ...
Meeting Document : WG-SAM-13/11 : Автор(ы): Submitted by the Secretariat on behalf of South Africa
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Reviewing the need for bottle test for specified longline gear configurations
Abstract: During the SISO review several questions were raised about the need for continued use ... update (and simplify) the seabird mitigation elements of these measures. The changes that are proposed do ... not seek to change any of the practical and highly effective measures currently in place. Author(s ... ): Secretariat Title: Reviewing the need for bottle test for specified longline gear configurations Approval ...
Meeting Document : WG-FSA-14/24 : Автор(ы): Secretariat
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