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Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)
superba Dana) aggregations detected and sized acoustically in the south-west Indian Ocean are described ... . The aggregations were on average considerably smaller than elsewhere in the Antarctic. Aggregation ... aggregations heavier than 1 t, and of aggregations 20 km on either side of such aggregations was similarly ... is consistent with the absence of pronounced hydrographic or topographic concentrating mechanisms in ...
Meeting Document : WS-KCPUE-89/11 : Автор(ы): D.G.M. Miller and I. Hampton (South Africa)
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Commercial fishing in the Ross Sea
Abstract: COLTO members have been fishing for toothfish in the Ross Sea for the past 15 years ... . The New Zealand Seafood Industry Council, representing NZ toothfish operators in COLTO, have prepared ... operations in the Ross Sea region. The information sheet provides basic data on Antarctic Toothfish ... currently exist in the Ross Sea. It also highlights some of the findings of Ross Sea independent research ...
Meeting Document : CCAMLR-XXXI/BG/35 : Автор(ы): Submitted by COLTO
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Developments towards an investigation of potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance estimates
Abstract: This report outlines developments towards evaluating bias in abundance estimates for ... the current tagrecapture programme for Antarctic toothfish in the Ross Sea. We present an initial ... spatial pattern of tag releases and recovery effort has changed over the years that the tagging programme ... potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance ...
Meeting Document : WG-FSA-SAM-06/10 : Автор(ы): A. Dunn (New Zealand)
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Spatio-temporal trends of longline fishing effort in the Southern Ocean and implications for seabird by-catch
fleets south of 30?S has been well over 250 million hooks per year since the early 1990s. However the ... distant-water pelagic fleets began fishing for tuna and tuna-like species in the early 1950s. Along with ... thousands of baited hooks in a day across many kilometres of water. These waters are often used as foraging ... Ocean’s longline fleets on seabird populations, this paper describes the trends in longline effort of the ...
Meeting Document : WG-FSA-02/43 : Автор(ы): G.N. Tuck, T. Polacheck and C.M. Bulman (Australia)
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Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups
before decreasing significantly in the last 30-40 days of lactation. Per-bout milk consumption was ... between the sexes in any year. Both per-bout and per-day milk consumption increased steadily with age ... consumption was determined on 388 occasions in 177 pups. Mean estimates of milk consumption ranged from 2.5 to ... 2-day maternal attendance periods (feeding bouts). There were no differences in milk consumption ...
Meeting Document : WG-EMM-97/11 : Автор(ы): Socha, D.G., Arnould, J.P.Y., Boyd, I.L.
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Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
selectivities for the years 1995 – 2000 for input to the GYM assessment. In this paper, I propose a revised ... method for estimating the selectivities based on an assumption that the proportions of the total CPUE in ... an area for a particular length class that are taken in different depth zones are Beta-distributed ... for Dissostichus eleginoides taken by longliners in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-02/64 : Автор(ы): G.P. Kirkwood (United Kingdom)
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Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons
tooth-fish in Subdivision 48.3 during 1986-199 1 is presented. The fishery was mainly carried out in ... -100 cm, which exceeded modes for the latest years of fishery. Using the generalized additive model the ... catch per effort estimates for 1986-99 were standardize. The fishery efficiency in 1986-95 was ... approximately similar, while in 1996-99 it decreased sharply. It is shown that significance of such factors as a ...
Meeting Document : WG-FSA-00/33 : Автор(ы): P. Gasiukov (Russia) and V. Bibik (Ukraine)
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Collaborating to eliminate Illegal, Unreported and Unregulated (IUU) fishing in the Southern Ocean
been made in recent years, but there are some additional actions CCAMLR could take to make greater ... Abstract: In this paper, ASOC and COLTO discuss developments in IUU fishing enforcement as well ... prevent IUU vessels from operating in the Convention Area. Author(s): Submitted by ASOC and COLTO Title ... : Collaborating to eliminate Illegal, Unreported and Unregulated (IUU) fishing in the Southern Ocean Microsoft ...
Meeting Document : CCAMLR-XXXV/BG/27 : Автор(ы): Submitted by ASOC and COLTO
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Acoustic estimates of krill biomass in the Elephant Island area: 1981-1993
Abstract: Acoustic estimates of krill biomass in the vicinity of Elephant Island for the years ... biomass in the Elephant Island area: 1981-1993 Approval: Approved ... from 2.5 g/m2 to 134.5 g/m2 Average biomass and average areal density over the 13-year period was 1,692 ...
Meeting Document : WG-KRILL-93/49 : Автор(ы): D.A. Demer and R.P. Hewitt (USA)
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Quantifying the impacts of ice on demersal longlining; a case study in CCAMLR Subarea 88.1
limit and compression of fishing effort due to a reduction in fishing ground extent in years when sea ... Abstract: The effect of sea ice is acknowledged as a major influence on fishing operations in ... high latitudes but not widely understood in detail other than by fishers and specialists in Antarctic ... fisheries research and management. Using the toothfish fishery in CCAMLR Subarea 88.1 as a case study we ...
Meeting Document : WG-FSA-14/55 Rev. 1 : Автор(ы): J.M. Fenaughty and S.J. Parker (New Zealand)
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