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Summary of the toothfish fishery and tagging program in the Ross Sea region (Subarea 88.1 and SSRUs 882A–B) through 2017/18
recaptured in 2018 was similar to that recaptured in previous years, with some fish recaptured after 14 years ... SSRUs 88.2AB) together with biological characteristics of the catch of Antarctic toothfish through the ... amount of effort in the northern area of SSRU 88.2A, which was opened to the exploratory fishery with the ... trend with a small increase in the proportion of males over time in all three areas. The number of fish ...
Meeting Document : WG-FSA-18/46 : Автор(ы): S. Mormede and S. Parker
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Operational interactions between cetaceans and the Patagonian toothfish (Dissostichus eleginoides) industrial fishery off Southern Chile
(Dissostichus eleginoides) fishery were assessed in southern Chile through 7 surveys with observers on board ... present, evidence of damaged catch included lips, heads and trunks and a total of 121 lips, 16 heads and 3 ... trunks were recovered. Mean rate of predation was 3% (± 2% CI 95%; n=180 sets) and ranged between 0% and ... fishing grounds are also traditional feeding grounds for sperm whales. Monetary loss associated with ...
Meeting Document : WG-FSA-03/95 : Автор(ы): R. Hucke-Gaete, C.A. Moreno and J.A. Arata (Chile)
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Hatching season and growth of Pleuragramma antarcticum larvae near the Antarctic peninsula in austral summer 1993/94
increments was 178.3 (standard deviation = 12.8). With the samples we examined, we speculate that there exist ... ), while the small ones in early summer (December). Author(s): Cha, S.S., Lee, T.W., Kim, S. Title ...
Meeting Document : WG-EMM-96/65 : Автор(ы): Cha, S.S., Lee, T.W., Kim, S.
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Connectivity and population structure in Pleuragramma antarcticum along the west Antarctic Peninsula
early stages which are ice-dependent. Alternatively, if linked by the large-scale circulation, abundance ... Marguerite Bay, with no mixing between. The presence of a single length mode at Charcot Island and Marguerite ... Bay corresponding to the year class found during GLOBEC 2001 suggested a dominant cohort and no local ... of otolith chemistry are scheduled over the next year. Author(s): J. Ashford, J. Ferguson, A ...
Meeting Document : WG-FSA-10/16 : Автор(ы): J. Ashford, J. Ferguson, A. Piñones, J. Torres and W. Fraser
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Models of larvae dispersion of Antarctic toothfish (Dissostichus mawsoni)
been found associated with bathymetric features shallower than 2250 m and typically deeper than 500 m ... from the Antarctic continent north to approximately 57° S. Efforts to understand early life history and ...
Meeting Document : WG-FSA-12/48 : Автор(ы): A. Dunn, G.J. Rickard, S.M. Hanchet and S.J. Parker (New Zealand)
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Squeezed from both ends: Decline in Antarctic fur seals in the South Shetland Islands driven by both Top–down and Bottom–up processes
provided as an indicator of bottom-up drivers and we contrast these with early season neonate mortality and ... . Predation rate has increased 4% per year since 2002. We discuss the relative roles of bottom-up and top ...
Meeting Document : WG-EMM-14/39 : Автор(ы): M.E. Goebel and C.S. Reiss (USA)
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Foraging and provisioning in Antarctic fur seals: interannual variability in time-energy budgets
seals have episodic bouts of suckling 0-3 days), alternating with foraging trips (3-10 days). Foraging ...
Meeting Document : WG-EMM-99/32 : Автор(ы): I.L. Boyd (United Kingdom)
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Feasibility of trawl surveys to estimate abundance of juvenile toothfish in Subarea 88.1
–February because of ice. Ice cover varied greatly between years, with the untrawlable area ranging from 31 ... average over the last three years, 63% of the seabed area from 0–600 m depth was not fishable in January ... years. Author(s): Wood, B.A., ODriscoll, R.L., Hanchet, S.M. Title: Feasibility of trawl surveys to ...
Meeting Document : WG-FSA-SAM-04/07 : Автор(ы): Wood, B.A., ODriscoll, R.L., Hanchet, S.M.
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Lead-radium dating provides a framework for coordinating age estimation of Patagonian toothfish (Dissostichus eleginoides) between fishing areas
estimates range from approximately 20 to more than 50 years. In this study, lead-radium dating provided ... valid ages for juvenile to older adult groups, which were consistent with the counting of otolith growth ... zones in transverse otolith sections, and longevity estimates exceeding 30 years. Lead-radium dating ... . 3.3 years was observed across estimated ages younger than 20 years. For the CAF, ages were ...
Meeting Document : WG-FSA-11/P01 : Автор(ы): A.H. Andrews, J.R. Ashford, C.M. Brooks, K. Krusic-Golub, G. Duhamel, M. Belchier, C.C. Lundstrom and G.M. Cailliet
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11
location of fishing together with the catch of Dissostichus spp. and bycatch species by year for the period ... Abstract: The exploratory fishery for Dissostichus spp. has now been operating for fifteen years ... in Subarea 88.1 and for ten years in Subarea 88.2. This report summarises the timing, depth, and ... 88.1C with the rest taken from SSRU 88.1B. The catch limit from the shelf was taken mainly from 881J ...
Meeting Document : WG-FSA-11/45 : Автор(ы): M.L. Stevenson, S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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