Search results
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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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Long term movements and activity patterns of an Antarctic marine apex predator: the leopard seal
including one individual in two separate years. Whilst the sample size is small the results represent an ... advance in our limited knowledge of leopard seals. We show the longest periods of tracking of leopard ... island of South Georgia. It appears that these tracked animals migrate in a directed manner towards Bird ... , similar to those observed in other predators in the region including the krill fishery. Analysis of ...
Meeting Document : WG-EMM-18/P09 : Author(s): I.J. Staniland, N. Ratcliffe, P.N. Trathan and J. Forcada
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Informing the Scientific Committee about the revisions of the WSMPA proposal
in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... Antarctic Peninsula; Adjustment of the habitat of adult Antarctic toothfish in Statistical Subareas 48.6 and ... ; Establishment of scientific reference areas in Statistical Subarea 48.6 for monitoring the effects of harvesting ... the establishment (number, location and size) of unfished scientific reference areas in the habitat ...
Meeting Document : SC-CAMLR-XXXVII/BG/14 Rev. 1 : Author(s): Delegation of Germany
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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
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Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
Abstract: In 2000 the UK started a toothfish (Dissostichus eleginoides) tagging programme. The ... of the fish recaptured to date were tagged and released during the experimental pot fishing in 2000 ... the same longline vessel in 2002 after up to two months at liberty. The fish tagged during the ... recaptures of these fish tagged at South Georgia or elsewhere in the South Atlantic. Similarly, tags ...
Meeting Document : WG-FSA-02/28 : Author(s): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)