Search results
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Marine debris, entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula, 2010/11
Island. In total, 177 items of marine debris were found in association with seabird colonies at Bird ... at Bird Island and Signy Island during 2010/11 were below the long-term mean for beached debris in ... -term mean in summer and winter at Bird Island but slightly above the mean at Signy Island. At King ... Edward Point the number of entanglements was significantly higher than the single incidence reported in ...
Meeting Document : SC-CAMLR-XXX/BG/05 : Author(s): Delegation of the United Kingdom
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A distribution-free model of length-frequency distribution to inform fishery stratification for integrated assessments
significantly influence the LFD helps in evaluating how to account for important differences in availability and ... set of length quantiles L for a predetermined set of corresponding probabilities P (in this instance ... 0.05, 0.1 to 0.9 in 0.1 increments, and 0.95), constructed from individual length measurements of ... and sensitivity in detecting differences compared to modelling a single quantile such as the median ...
Meeting Document : WG-SAM-13/18 : Author(s): S. Candy, P. Ziegler and D. Welsford (Australia)
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Adélie penguin colony size predicts south polar skua abundance on Ross Island, Antarctica
Abstract: Top predators are useful ecological indicators of changes in marine prey stocks and ... other ecosystem drivers. In the Ross Sea region, most south polar skuas (Catharacta maccormicki) nest ... carrion. We estimated skua abundance at Adélie penguin colonies on Ross Island in two consecutive years ... areas of varying size within the three main Ross Island colonies. We considered skua populations in ice ...
Meeting Document : WG-EMM-14/55 : Author(s): D.J. Wilson, P.O’B. Lyver (New Zealand), A.L. Whitehead (Australia), T.C. Greene (New Zealand), K. Dugger (USA), B.J. Karl, J.R.F. Barringer, R. McGarry (New Zealand), A.M. Pollard and D.G. Ainley (USA)
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
populations Abstract / Description: In stocks that have been depleted by overfishing, the benefit of ... research catches, this study shows that stocks can take decades to recover even in the absence of fishing ... assessed in this study indicate that, where a stock has been depleted to at or below 20% of the median ... unfished spawning stock biomass, research catches in excess of 0.6% of median unfished total stock biomass ... 2009 (SC-CAMLR, 2009b)) and declining catches by the authorised fleet in the fishery (Divisions ... in 2002 (CCAMLR, 2002). The relationship of the stock on Ob and Lena Banks to other stocks in the ... research fishing, SC-CAMLR has agreed that research should be conducted in such a way that it does not ... impact on the recovery of the stock, while any data collection plan which may in- volve research fishing ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
simulation model Abstract / Description: The methods, described in CCAMLR Conservation Measures, used for ... implement because of the variation in catch rates shown by the fisheries. Non-fluctuating random and ... decisions is investigated under a variety of circumstances. The model described in the existing conservation ... reporting periods are small (five days) and the reporting delay is minimal. It is recommended that in future ... , described in CCAMLR Conservation Measures, used for deciding the closure date for fisheries monitored by ... the Secretariat of CCAMLR, have been difficult to implement because of the variation in catch rates ... circumstances. The model described in the existing conservation measures is shown to have a high probability ... days) and the reporting delay is minimal. It is recommended that in future conservation measures ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Author(s): Agnew, D.J.
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Krill fishery information
Abstract: A compilation of information and work pertaining to the krill fisheries in CCAMLR ... waters in presented, including: • A report on catches for the last, complete season (2001/02) and an ... update on catches in the current season (2002/03); • Further development of measures of overlap between ... the krill fishery and krill predators; • An updated plan for the krill fishery in Area 48 ...
Meeting Document : WG-EMM-03/28 : Author(s): Secretariat
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PRELIMINARY ANALYSIS OF DISSOSTICHUS MAWSONI BY-CATCH DURING BOTTOM AND KRILL FISHING (STATISTICAL DIVISION 58.4.2)
Abstract: Preliminary analysed data obtained from bottom fishing in 1987, 1989 from Cosmonaut and ... Cooperation Seas. Presented frequency of occurrence of immature Dissostichus mawsoni in catches of bottom ... trawls and juvenile Dissostichus mawsoni in catches of mid-water trawls during krill fishing in the same ...
Meeting Document : WG-FSA-08/23 : Author(s): L.K. Pshenichnov (Ukraine)
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Records of fishing hooks associated with albatrosses at Bird Island, South Georgia, 1992/93
Abstract: At least six instances of long-line fishing gear (especially hooks) in association with ... breeding black-browed and wandering albatrosses were recorded at Bird Island, South Georgia in 1992J93 ... . Although similar observations had been made in previous seasons, this is the highest incidence yet recorded ... in a single season. Author(s): Delegation of United Kingdom Title: Records of fishing hooks ...
Meeting Document : SC-CAMLR-XII/BG/07 : Author(s): Delegation of United Kingdom
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Implementing plausible ecosystem models for the Southern Ocean: an ecosystem, productivity, ocean, climate (EPOC) model
Abstract: An ecosystem, productivity, ocean, climate (EPOC) model has been developed in the R ... procedures for krill following the recommendations of the workshop held by WG-EMM in 2004. EPOC has been ... explore the consequences of uncertainty in model structures but, more importantly, to enable ecosystem ... well as examining the sensitivity of outcomes to changes in model structures, not only in the magnitude ...
Meeting Document : WG-EMM-05/33 : Author(s): A.J. Constable
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Agreement on the Conservation of Albatrosses and Petrels – Report of the First Meeting of the Advisory Committee Interim Secretariat – Agreement on the Conservation of Albatrosses and Petrels
Albatrosses and Petrels was held in Hobart from 20-22 July 2005. This meeting followed the First Session of ... the Meeting of the Parties, held in Hobart from 10-12 November 2004. Eleven Parties have ratified the ... Agreement of which six were represented at the Advisory Committee meeting. In addition three range states ... examined a number of papers submitted in relation to the issue of incidental mortality in fisheries. It was ...
Meeting Document : WG-FSA-05/25