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Stock structure of Antarctic toothfish in Statistical Area 88 and implications for assessment and management
Abstract: We review the stock structure of Antarctic toothfish in Statistical Area 88 with the ... , growth dynamics, and egg and larval dispersal simulations. Taken together, the information suggests two ... margin in the Bellingshausen Sea (SSRUs 88.3A–D), SSRUs 88.2C–G, and a spawning region in the seamount ... the movement patterns and linkages of Antarctic toothfish in the 80–120 cm size range, throughout the ...
Meeting Document : WG-SAM-14/26 : Autor(es): S.J. Parker, S.M. Hanchet and P.L. Horn (New Zealand)
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
Paper Title: Preliminary results of a bottom trawl survey around Elephant Island in October and ... Polarstern in October and December 1987. Preliminary results indicate rather stable stock compositions in ... Chaenocephalus aceratus, Notothenia gibberifrons and N. neglecta at least since February 1985. In N. rossii the ... proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... interactions with the environment and their trophic links with plankton and benthos. In the first years (1975 ... Females up to 50 cm were mostly juveniles. Larger females were mainly in stage 2. About 20% of the mature ... Notothenia rossii marmorata Fischer 1885 in the west Antarctic waters. Arch.FischWiss. 30(1): 39-66. KOCK ... ) '- 10 20 10 Figure 8: 10 20 30 Chaenocephalus aceratus Oct. [n-2163] - Dec. [n - 1135 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Autor(es): Kock, K.-H.
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The Future of Antarctica Forum: distinguishing climate change impacts from other impacts in the Antarctic Peninsula
Oceanites, Inc. convened and held February 28 – March 9, 2016 in the Antarctic Peninsula, and work that has ... representatives from the tourism and fishing industries, all of whom actively engaged in these discussions and ... ecosystems in the Antarctic Peninsula region for improved environmental management’. Oceanites accepted the ... challenge to bring together and analyse relevant data, with assistance as possible from the Forum ...
Meeting Document : CCAMLR-XXXV/BG/14 : Autor(es): Submitted by Oceanites, Inc.
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An impact assessment framework for bottom fishing methods in the CAMLR Convention Area
Paper Title: An impact assessment framework for bottom fishing methods in the CAMLR Convention ... between fisheries employing different bottom fishing methods. New Zealand implemented this approach in its ... impact assessment in fisheries using bottom impacting methods, to inform mitigation efforts and as a ... limits of acceptable environmental risk in the CCAMLR context are defined in Article II, as the risk ... single year after which the area was not revis- ited. In contrast, core areas are repeatedly targeted ... IMPACT ASSESSMENT FRAMEWORK FOR BOTTOM FISHING METHODS IN THE CAMLR CONvENTION AREA B.R. Sharp New ... approach in its preliminary assessment of bottom fishing impacts for the 2008/09 toothfish longline ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Autor(es): Sharp, B.R., S.J. Parker and N. Smith
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A meta-analysis of by-catch in the Ross Sea toothfish fishery
) in the index from two groups of Members flagged vessels, that together contribute 84% of the haul by ... Abstract: Following the recommendation of WG-FSA in 2014 the Secretariat has undertaken an ... analysis of by-catch in CCAMLR longline fisheries. The numerical target catch ratio (the number of target ... vessels. This analysis indicated that, as expected, differences in this index arose due to gear and ...
Meeting Document : WG-SAM-15/23 : Autor(es): CCAMLR Secretariat
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On the very high likelihood of bycatch of ice krill (Euphausia crystallorophias) in the present-day fishery for Antarctic krill (E. superba)
fishery operates in geographic areas that overlap with the known range of Ice krill, that Ice krill and ... Antarctic krill can occupy similar depths in the water column, and that both species are morphologically ... have been included in the reported Antarctic krill catch. We conclude that the likelihood is ... Responsible Krill harvesting companies; our emphasis) achieved MSC re-certification in August 2015 (https ...
Meeting Document : WG-EMM-18/05 : Autor(es): A.S. Brierley and R. Proud
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On the status of mesopelagic fish (myctophidae) in the Southern Ocean ecosystem
relationships of myctophids demonstrate that this group of mesopelagic fish plays a significant role in the ... - they are zooplankton-eaters who consume a considerable amount of meso and macroplankton which ... 364 million tonnes. According to its position in the trophic system of the Southern Ocean, myctophids ... producers, in turn guaranteeing the production of organisms at higher trophic levels (certain species of ...
Meeting Document : WG-FSA-93/17 : Autor(es): A.N. Kozlov (Russia)
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Total mercury and methylmercury concentrations in Antarctic toothfish (Dissostichus mawsoni): Health risk assessment
Abstract: In the present study, the concentrations of total mercury in different organs of the ... Antarctic toothfish (Dissostichus mawsoni) collected from CCAMLR research blocks in Subarea 88.3 and ... concentrations of 0.165 ± 0.095 mg/kg (0.023–0.454 mg/kg) in the Antarctic toothfish. In fish muscle ... , methylmercury accounted for approximately 40% of the total mercury. In a comparison analysis, muscle and liver ...
Meeting Document : WG-FSA-17/P02 : Autor(es): M. Yoon, M.-R. Jo, K.-T. Son, W.-S. Choi, S. I. Kang, S.-G. Choi, J. H. Lee and T. S. Lee
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Annual report of research fishing operations at Division 58.4.3a in the 2017/18 fishing season
. One fishing cruise by French vessel (“ Mascareignes III ”) took place in May 2018 and caught 2.5 ... Secretariat on the 21th August 2018. In this paper, the data set during current fishing season (2017/18) was ... toothfish (Dissostichus eleginoides) in Division 58.4.3a in the 2017/18 fishing season by France and Japan ... tonnes of D. eleginoides in 58.4.3a. The data set, C2 and Observer data, were provided by the CCAMLR ...
Meeting Document : WG-FSA-18/50 : Autor(es): Delegations of France and Japan
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A meta-analysis of by-catch in the Ross Sea toothfish fishery
) in the index from two groups of Members flagged vessels, that together contribute 84% of the haul by ... Abstract: Following the recommendation of WG-FSA in 2014 the Secretariat has undertaken an ... analysis of bycatch in CCAMLR longline fisheries. The numerical target catch ratio (the number of target ... vessels. This analysis indicated that, as expected, differences in this index arose due to gear and ...
Meeting Document : WG-FSA-15/04 Rev. 1 : Autor(es): CCAMLR Secretariat