Search results
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SOME POSSIBLE MODIFICATIONS TO CEMP STANDARD METHODS A3A, A3B AND A9 TO ALLOW GREATER FLEXIBILITY IN THE COLLECTION AND INTERPRETATION OF BREEDING POPULATION COUNT DATA
Abstract: At WG-EMM-09 the Working Group noted that the photographic method used in WG-EMM-09/38 ... ). This paper reviews aspects of Methods A3a, A3b and related A9 (breeding chronology) in the most recent ... version of the CEMP Standard Methods that are relevant to this proposal, outlines some difficulties in the ... greater flexibility in the collection and interpretation of penguin breeding population counts. Author(s ...
Meeting Document : WG-EMM-11/38 : Author(s): C. Southwell (Australia)
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Krill caught by predators and nets revisited: interpreting prey selection in proper temporal–spatial scales
problematic. In this paper we use ARGOS satellite location data from foraging female fur seals to first ... that collected only in fur seal foraging habitat. Both are compared to krill in fur seal diet. When ... in krill length frequency distributions. We suggest that fur seals are not selecting large krill ... while foraging but are instead selecting foraging locations that have larger krill in densities that ...
Meeting Document : WG-EMM-04/49 : Author(s): M.E. Goebel, V. Loeb, D.P. Costa, S.N. Sexton, A.R. Banks, J.D. Lipsky and A.C. Allen (USA)
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Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models
in subarea 48.3. This type of the models differ from the models currently used by CCAMLR Working ... mortality, age selectivity, recruitment estimates, mean weight at age) In the calculations with DPM (with ... of intensive fishery was at the level of 22-24 thousand tons. In 1989-1990 stock size increased (to ... in recent years. The trends in biomass dynamic estimated by DPM are very similar with trends from ...
Meeting Document : WG-FSA-02/78 : Author(s): P.S. Gasiukov and R.S. Dorovskich (Russia)
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Prohibition of shark finning in the CAMLR Convention Area
Abstract: In 2006, CCAMLR adopted Conservation Measure 32-18 on the conservation of sharks. The ... measure prohibits the “directed fishing on shark species in the Convention Area…” and calls for the live ... Conservation Measure 32-18 to require that all sharks incidentally-caught in the Convention area be landed with ... General Assembly (UNGA) resolutions adopted by consensus in 2003 and 2004, and again from 2006 through ...
Meeting Document : CCAMLR-XXX/25 : Author(s): Delegation of the USA
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Preliminary review of Antarctic toothfish maturity in the Ross Sea
toothfish Dissostichus mawsoni caught by Russian longliners in the Ross Ross Sea of the Pacific sector in ... was established that in the period of fishing, females and males with gonads at maturity stage III ... in the Ross Sea the termination of gonad maturity of toothfish takes place from March to April, and ... condition, and diameter of their large oocytes was 1075- 2331•10-6m in different years. Author(s): S.V ...
Meeting Document : WG-FSA-11/27 : Author(s): S.V. Piyanova and A.F. Petrov (Russia)
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QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ANTARCTIC KRILL FISHERY
behaviour of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed ... longer distances moved between hauls in Area 48.1 compared to 48.2 and 48.3 reflecting the large number ... model suggested in late 1980s are proposed based on the results from this study. These analyses ... demonstrate the need for high quality year-round data on all vessels participating in the krill fishery to ...
Meeting Document : WG-EMM-09/P05 : Author(s): S. Kawaguchi and S.G. Candy
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Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994
the northern edge of the Antarctic Circumpolar Current (ACC). In a number of areas the position of the ... also been implicated in the movement and retention of various associated mesoscale features. In this ... first. Associated with the PF was a narrow, high-speed flow embedded in broader, slower moving regions ... but that the PF was essentially in the same position over the southern edge of the Maurice Ewing Bank ...
Meeting Document : WG-EMM-97/40 : Author(s): Brandon, M.A., Trathan, P.N., Murphy, E.J.
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Fish in the diet of the blue-eyed shag Phalacrocorax atriceps at the South Shetland Islands: six years of monitoring studies
Abstract: In this document we inform on the results of six years monitoring changes in the diet ... gibberifrons and Notothenia rossii, species of particular interest for CCAMLR. Notothenia rossii appeared in ... the diet of this bird in the lasts years and the importance of G. gibberifrons fluctuated without ... . Author(s): Barrera-Oro, E., Casaux, R. Title: Fish in the diet of the blue-eyed shag Phalacrocorax ...
Meeting Document : WG-EMM-96/31 : Author(s): Barrera-Oro, E., Casaux, R.
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Echo integration in low signal to noise regimes: methods of noise estimation and removal
Abstract: The results of acoustic surveys, especially in low signal-to-noise regimes, are ... contribution to the above-threshold-signal cannot later be removed in post processing. The only solution is to ... log unthresholded data and to correct for noise in post processing. Integrated data collected at 120 ... requires that logged data have high resolution in both depth and distance. It can be applied so long as ...
Meeting Document : WG-EMM-97/74 : Author(s): Higginbottom, I., Pauly, T.
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The state of exploited fish stocks in the Southern Ocean - a review
until the season 1989/90. About two thirds of the catches have been taken in the Atlantic Ocean sector ... (mainly South Georgia) while the remaining one third originated primarily from the Kerguelen waters in the ... most heavily affected by fishing are those of Notothenia rossii in both sectors, Notothenia squamifrons ... in the Indian Ocean sector and of Champsocephalus gunnari in the South Orkney Islands/Antarctic ...
Meeting Document : SC-CAMLR-X/BG/13 : Author(s): Delegation of Germany