Search results
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Do fish prey size affect the foraging patterns and breeding output of the Antarctic shag Phalacrocorax bransfieldensis?
Abstract: Concurrent information on diet composition, foraging patterns and breeding output of ... , followed by octopods and gastropods. Between colonies there were marked differences in the size of the fish ... number of specimens of the smallest fish species, Harpagifer antarcticus, consumed at that colony ... . Differences in the composition of the diet might be related to different foraging areas used by the shags ...
Meeting Document : WG-EMM-02/4 : Author(s): R. Casaux and A. Baroni (Argentina)
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Report of the WG-FSA Intersessional Subgroup on Sampling Catches from Longlines
; 2) the allocation of observer effort within longline haul and between hauls; and 3) the allocation ... of observer effort directed toward fishery target species versus ecological interactions. Both ... activity by sampling every day of hauling. Both methods essentially follow a multi-stage cluster sampling ... fish/day, to sampling a set length of each line or number of hours of each day. The principal advantage ...
Meeting Document : WG-FSA-02/52
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Diet and foraging effort of Adélie penguins in relation to pack-ice conditions in the southern Ross Sea
Abstract: We investigated the diet and aspects of foraging effort among Adélie Penguins ... , Bird and Crozier-- during the chick provisioning period of three austral summers, 1994-95, 1995-96 and ... 1996-97. During the study period, pack-ice cover differed in waters offshore of these colonies, by ... present. With respect to krill, which composed the remainder of diet, juvenile Euphausia crystallorophias ...
Meeting Document : WG-EMM-98/15 : Author(s): D.G. Ainley (USA), P.R. Wilson, K.J. Barton (New Zealand), G. Ballard, N. Nur (USA) and B. Karl (New Zealand)
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SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009
held at the CCAMLR Headquarters in Hobart in April 2009. The conclusions of that workshop are provided ... to WG-EMM for consideration along with an overview, the program and abstracts of the keynote ... presentations. A report of the workshop will be submitted to the Scientific Committee for its considerations in ... October 2009, including discussion on the following questions: A key conclusion of the workshop was that ...
Meeting Document : WG-EMM-09/37 : Author(s): A.J. Constable
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BEACHED MARINE DEBRIS SURVEYS AND INCIDENCES OF SEABIRD/MARINE MAMMAL ENTANGLEMENTS AND HYDROCARBON SOILING AT BIRD ISLAND, SOUTH GEORGIA AND SIGNY ISLAND, SOUTH ORKNEYS, 2008-2009
Abstract: Surveys of beached marine debris at Bird Island, South Georgia recorded a total of 142 ... total of 113 items during summer 2008/09 (November 2008 to February 2009). Plastic, trawl webbing and ... Island, whereas high numbers (67 items; 59%) of packaging bands were collected at Signy Island during the ... survey period. Entanglements of 19 Antarctic fur seals (7 involving packaging bands), two giant petrels ...
Meeting Document : WG-IMAF-09/09 : Author(s): C.M. Waluda (United Kingdom)
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A simulation study of krill fishing by an individual Japanese trawler
Abstract: A model is set up for the operation (which includes both searching and fishing) of a ... Japanese krill trawler over a half-month period, and the output is compared to statistics from a sample of ... response of the index, or a response rather smaller in relative magnitude than the biomass decline. Catch ... statistics collected at present (centred primarily on catch per fishing time) are of low utility in detecting ...
Meeting Document : SC-CAMLR-VI/BG/38 : Author(s): D.S. Butterworth (United Kingdom)
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Decadal trends in abundance, size and condition of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011
Abstract: We report the analyses of a dataset spanning 39 years of near-annual fishing for ... unit effort (CPUE) were derived from the > 5500 fish caught, the large majority of which were ... measured, tagged and released. Contrary to expectation, the length frequency of the McMurdo Sound catch was ... dominated by fish in the upper two-thirds of the overall distribution exhibited in the industrial catch for ...
Meeting Document : WG-FSA-12/P04 : Author(s): D.G Ainley, N. Nur, J.T Eastman, G. Ballard, C.L Parkinson, C.W Evans and A.L. DeVries
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Towards the development of a stock assessment for Patagonian toothfish in Division 58.4.4, SSRU C on Ob and Lena Banks
assessment of stock status of D. eleginoides in SSRU C in Ob-Lena Banks was made using a CASAL catch-at ... MPD estimate of B 0 was 741 tonnes, and current biomass was 625 tonnes (84.4 % of B 0). MPD fits ... suggest suitable fits to the data, however, there appears to be a pattern of increasing YCS over the time ... , which is unlikely. Therefore, model where all of the YCS are fixed at 1 should be considered next time ...
Meeting Document : WG-FSA-12/59 : Author(s): K. Taki (Japan)
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Revised diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a for the 2012/2013 Korean exploratory longline fishery
Abstract: Stocks of Dissostichus mawsoni in Division 58.4.1 were vulnerable with a big range of ... managements. Therefore, the Korean scientists analyze diet composition and feeding strategy of Antarctic ... toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a as a part of Korean research plan for the exploratory ... longline fishery for Dissostichus spp. in SSRUs of 58.4.1 C and E during 2012/2013 season. This study was ...
Meeting Document : WG-FSA-13/43 : Author(s): I. Yeon, Y.J. Kwon, S.G. Choi, K.J. Seok, D.W. Lee, J.M. Jeong, S.J. Ye, H.J. Kim and G.W. Baeck (Republic of Korea)
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A proposal for the establishment of a Ross Sea Region Marine Protected Area
Abstract: The delegations of New Zealand and the United States submit this revised proposal for ... the establishment of a marine protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine ... Protected Area”) by the Commission for the Conservation of Antarctic Marine Living Resources (Commission or ... vital ecosystem processes and areas of ecological significance; and promote scientific research ...
Meeting Document : CCAMLR-XXXIII/21 : Author(s): Delegations of New Zealand and the USA