Search results
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Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2002/03
Abstract: Ministry of Fisheries observers reported 595 seabird captures from observed fishing ... operations (95% dead). The trawl-caught seabirds were from at least eight target fisheries, four of which had ... ) trawl fisheries accounted for 87% of observed trawl-caught seabirds. Incident rates (expressed as the ... percent of observed fishing operations with seabird captures) for longline fisheries in 2002–03 were ...
Meeting Document : WG-FSA-04/57 : Author(s): S.J. Baird (New Zealand)
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The diet of the Antarctic fur seal Arctocephalus gazella at Harmony Point, South Shetland Islands: evidence of opportunistic foraging on penguins?
Abstract: The diet of non-breeding male Antarctic fur seals Arctocephalus gazella was ... investigated at Harmony Point, Nelson Island, South Shetland Islands, by the analysis of 523 scats collected ... from January to March 2001 and 2002. The composition of the diet was diverse and both, pelagic and ... ), cephalopods (mainly squids) and gastropods. Among fish, Myctophids represented 86.5% and 65.8% of the fish ...
Meeting Document : WG-EMM-02/11 : Author(s): R. Casaux, L. Bellizia and A. Baroni (Argentina)
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ANALYSIS OF ICE-FISH (CHAMPSOCEPHALUS GUNNARI) SPATIAL DISTRIBUTION FOR OPTIMIZATION OF THE BOTTOM TRAWL SURVEY SAMPLING
Abstract: The spatial distribution characteristics of ice-fish in the near-bottom layer are ... compared. It is shown the possibility to estimate the bottom trawl efficiency. The high heterogeneity of ... horizontal and vertical fish distribution in the near-bottom layer of the survey area is shown. Influence of ... addition, the author discuses the results of bottom trawl surveys carried out in the South Georgia area ...
Meeting Document : SG-ASAM-09/07 : Author(s): S. Kasatkina (Russia)
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Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)
, duration of E.superba life cycle somewhat exceeds 5 years in the Sea of Cosmonauts and 6 years in the Sea ... of Sodruzhestvo. E.superba growth rate ranges from 0.126- 0.133 mm per day in the first year 0f life ... are noted between E.superba age composition and its spawning efficiency in coastal areas of the Seas ... of Sodruzhestvo and Cosmonauts. The presence of relatively independent (self-reproducing) groupings ...
Meeting Document : WG-KRILL-93/45 : Author(s): E.A. Pakhomov (Ukraine)
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58 and 88 for the exploratory longline fishery in 2014–2018 of Korea
Abstract: The stocks of Antarctic toothfish, Dissostichus mawsoni were a relatively economically ... and ecologically important fishery resource in the waters of Antarctic. However, there is not enough ... feeding strategy of D. mawsoni in the research blocks 58 and 88 as a part of Korean research plan for the ... on the results of stomach content identification of the D. mawsoni caught in the research blocks 58 ...
Meeting Document : WG-FSA-18/24 : Author(s): G.W. Baeck, S.-G. Choi, S. Chung and D.H. An
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CCAMLR process of risk assessment to minimise the effects of longline fishing mortality on seabirds
Abstract: We describe the process used in the fisheries management system of the Convention for ... the Conservation of Antarctic Marine Living Resources (CCAMLR) to minimise seabird bycatch, and the ... risk assessment methodology developed to assist this. We examine the progress of several Regional ... system of management among the RFMOS covered in this review, and has made the most demonstrable progress ...
Meeting Document : WG-FSA-07/P2 : Author(s): S.M. Waugh, G.B. Baker, R. Gales and J.P. Croxall (Mar. Pol., in press)
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Can the length composition of krill in predator diets provide information on the age-dependence of krill natural mortality?
of krill is split between predator species. This method uses data on the length distribution of krill ... schedule of krill natural mortality at age. In principle, such a method would allow inferences about this ... predator abundance and food consumption studies. Some results of the method are put forward purely for ... illustrative purposes. Further discussions about the practicalities of obtaining reliable estimates of the ...
Meeting Document : WG-EMM-95/40 : Author(s): Thomson, R.B., Butterworth, D.S.
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The food and feeding of five species of icefish in the Elephant Island – South Shetland Islands Region in March 2003
Abstract: We studied the food and feeding of five species of icefish in the Elephant Island ... Islands. The bulk of the diet of C. rastrospinosus consisted of krill and fish. Diet intensity, however ... proportion of the stomachs was found to be empty in C. aceratus and C. antarcticus. Author(s): K.-H. Kock, H ... . Flores (Germany), C.D. Jones (USA), S. Wilhelms and S. Schöling (Germany) Title: The food and feeding of ...
Meeting Document : WG-FSA-03/60 : Author(s): K.-H. Kock, H. Flores (Germany), C.D. Jones (USA), S. Wilhelms and S. Schöling (Germany)
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Manual: estimating the age of Patagonian toothfish (Dissostichus eleginoides) using transverse cross-sections of otoliths
noted in the growth parameters being used for assessments of toothfish. To assess whether these ... differences were real or else due to methods of otolith preparation and reading, scientists from CCAMLR member ... nations participated in a Workshop in 2001 at Old Dominion Unversity with the primary aim of seeking ... conformity in estimating age of Patagonian toothfish (Dissostichus eleginoides). Arising from the workshop ...
Meeting Document : WG-FSA-10/15 : Author(s): K. Underkoffler, N. Ramanna and J. Ashford (USA)
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016–2017
the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in SSRUs ... 88.1J and 88.1L. This is a continuation of the time series of CCAMLR-sponsored research surveys of these ... toothfish in McMurdo Sound following the recommendations of WG-FSA (SC-CAMLR-XXXIII, Annex7, para 5.108) and ... Terra Nova Bay where substantial numbers of larger sub-adult and adult toothfish were captured in the ...
Meeting Document : WG-SAM-15/45 : Author(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)