Resultados de la búsqueda
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Establishing time-limited Special Areas for Scientific Study in newly exposed marine areas following ice shelf retreat or collapse in Subarea 48.1, Subarea 48.5 and Subarea 88.3 – Clarifications and options to further develop the 2015 proposal
Abstract: In 2015 the European Union proposed a draft Conservation Measure (CM) with the aim of ... for Scientific Study in such areas, with a designated 10-year study period during which time there ... would be a moratorium on all fishing activities, except for scientific research fishing activities ... undertaken in accordance with Conservation Measure 24-01. This proposal was developed following a ...
Meeting Document : WG-EMM-16/27 : Autor(es): S. Grant and P. Trathan
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Spawning pattern and type of fecundity in notothenioids collected around the Elephant and South Orkney Islands
georgianus) was carried out, in females collected during a fishery research survey around the Elephant Island ... development, while the determination of RF was performed by a gravimetric method. Five were the main ... the less developed group showed a polymodal pattern in C. aceratus and N. rossi; (iii) in hydrated ... ovaries of P. georgianus a trimodal structure was visible, containing immature oocytes (<0.9 mm ...
Meeting Document : WG-FSA-16/22 : Autor(es): G. Plaza, P.M. Arana, F. Becker, A. Zavatteri and V.H. Castillo
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Informing and seeking advice from WG-SAM-18 about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... with a view for a revised CM proposal to be submitted by the EU to CCAMLR 2018. This document informs ... ; Adjustment of the habitat of adult Antarctic toothfish in statistical areas 48.6 and 48.5 as a result of ... alia, by taking into account the outcome of the CCAMLR Workshop for the Development of a D. mawsoni ...
Meeting Document : WG-SAM-18/16 : Autor(es): S. Hain, K. Teschke, H. Pehlke and T. Brey
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What’s the catch? Profiling the risks and costs associated with marine protected areas and displaced fishing in the Scotia Sea
Abstract: A principal concern with implementing marine protected areas (MPAs) is the displacement ... actively being discussed for achieving a range of protection and sustainable use objectives. Here, we ... . We employed both a static assessment (based on the design of each MPA scenario and the distributions ... of krill fishing and krill-dependent predators) and a dynamic risk assessment (based on a minimally ...
Meeting Document : WS-SM-18/P03 : Autor(es): E.S. Klein and G.M. Watters
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Consumption estimates for male Antarctic fur seals at the South Orkney Islands during the post mating migration
their biomass is orders of magnitude less than those of penguins. As a result the estimates of fur seal ... South Georgia. Using a combination of published and BAS data we highlight the potential importance of ... this connectivity. Our estimates suggest that the influx of fur seal males from South Georgia has a ... significant impact on the marine environment around the South Orkney Islands with a potential total krill ...
Meeting Document : WG-EMM-18/10 : Autor(es): I. Staniland and S. Hill
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Marine Ecosystem Assessment for the Southern Ocean (MEASO)
Abstract: A first Marine Ecosystem Assessment for the Southern Ocean (MEASO) is under development ... . MEASO aims to provide a forward-looking assessment of what trends in Southern Ocean ecosystems are ... . The aim is to have a quantitative assessment that enables managers to achieve consensus in adapting ... develop a work plan. Since the conference, summaries of information available for a MEASO have been ...
Meeting Document : SC-CAMLR-XXXVII/BG/22 : Autor(es): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier
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Marine pollutants and fishing gear associated with seabirds at sub Antarctic Marion Island, 1996–1998: trends in relation to longline fishing activity
period May 1996 to April 1998 are reported. Standardised searches and incidental finds show a large ... increase between the 1996/97 and the 1997/98 field seasons. Fishing gear increased at a rate ten times ... at Marion Island, between 1992 and 1996. Three seabirds (a Southern Giant Petrel, a Northern Giant ... Petrel, and a Subantarctic Skua) were found entangled in fishing gear, while five seabird carcasses ...
Meeting Document : CCAMLR-XVII/BG/26 : Autor(es): Delegation of South Africa
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Proposal for an experimental crab fishery in Subarea 48.3
around South Georgia. The strategy is designed to answer specific, a priori questions about the ... population dynamics of P. spinosissima, and consists of three phases to be conducted over a period of two ... years/fishing seasons. Phase 1 occurs at the start of the first fishing season and is a "survey ... " regime where fishing effort is artificially distributed over a large area. After Phase 1, normal ...
Meeting Document : WG-FSA-93/22 : Autor(es): George Watters (USA)
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Growth per molt of male snow crab Chionoecetes opilio from Conception and Bonavista Bays, Newfoundland
Abstract: Over 6000 male snow crabs were tagged during a 6-year period in Conception Bay ... long as those presumed to have molted once. Second, a regression line fitted to data on single-molters ... predicted the size after two molts in close agreement with a regression line fitted to data on double ... -molters. A nonlinear regression model was developed to estimate the parameters of the relationship between ...
Meeting Document : WS-CRAB-93/12 : Autor(es): D.M. Taylor and J.M. Hoenig (USA)
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Variability in krill length distribution in 48.1 derived from data collected by scientific observers
dynamics, and the impacts of a fishery on the stocks. Here, we use generalised additive models (GAM) and ... . Median krill length showed a complex pattern and varied significantly with fishing location, fishing ... Subarea 48.1 needs to be modified in order to gain a comprehensive understanding of the temporal and ... reduce the likelihood of potential biases in the overall krill length estimates. We also propose a ...
Meeting Document : WG-EMM-15/16 : Autor(es): P. Ziegler, S. Kawaguchi D. Welsford and A. Constable (Australia)