Resultados de la búsqueda
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The biology and ecology of mackerel icefish, Champsocephalus gunnari – an Antarctic fish species that lack haemoglobin
Abstract: The mackerel icefish (Champsocephalus gunnari) is a prominent member of the coastal ... fish fauna of the Seasonal Pack-ice Zone and the islands north of it. Separated into a number of stocks ... , its distribution ranges from the Scotia Arc region, namely South Georgia, in the Atlantic Ocean sector ... to the Kerguelen-Heard Plateau in the Indian Ocean sector. Mackerel icefish have been heavily ...
Meeting Document : WG-FSA-96/24 : Autor(es): Everson, I., Kock, K.-H.
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Further development of a spatially explicit population dynamics operating model for Antarctic toothfish in the Ross Sea region
model for Antarctic toothfish over the entire Ross Sea region, for a medium scale spatial resolution ... (189 spatial cells) covering the Ross Sea region. The model was developed as a generalised Bayesian ... population dynamics model implemented using the Spatial Population Model software (SPM), and a single sex age ... appeared to broadly reflect the hypothesised spatial distribution of Antarctic toothfish, suggesting that ...
Meeting Document : WG-SAM-13/35 : Autor(es): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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PROPOSED RESOLUTION ON ILLEGAL, UNREPORTED AND UNREGULATED (IUU) FISHING IN THE CCAMLR CONVENTION AREA
Abstract: PROPOSAL The delegation of New Zealand proposes that the Commission adopts a new ... resolution on IUU fishing in the CCAMLR Convention Area. PURPOSE The proposed resolution seeks a ... reaffirmation by CCAMLR Members of their commitment to prevent, deter and eliminate IUU fishing in the CCAMLR ... action taken by CCAMLR, notably through relevant CCAMLR Conservation Measures addressing the problem of ...
Meeting Document : CCAMLR-XXIX/36 : Autor(es): Delegation of New Zealand
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Preliminary assessment of the South Georgia toothfish stock, 2007
Abstract: 1. The catch-at-length based CASAL model for toothfish at South Georgia is updated with ... data from the 2007 fishing season. The predicted spawning stock biomass and the yield is slightly ... higher than was estimated last year. 2. Improvements are made to the fit of tag data through (a ... estimates of catches at age from 1998 to 2006 (based on random sampling of the catch for age determination ...
Meeting Document : WG-FSA-07/29 : Autor(es): D.J. Agnew, R. Hillary and J. Pearce (United Kingdom)
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Distribution and diet of juvenile Patagonian toothfish on the South Georgia and Shag Rocks shelves (Southern Ocean)
Abstract: The distribution and diet of juvenile (<750 mm) Patagonian toothfish are described ... from 4 annual trawl surveys (2003-06) around the island of South Georgia in the Atlantic sector of the ... the four years surveyed. Most juveniles were caught on the Shag Rocks shelf to the NW of South Georgia ... , with fish subsequently dispersing to deeper water around both the South Georgia and Shag Rocks shelves ...
Meeting Document : WG-FSA-07/P4 : Autor(es): M.A. Collins, K.A. Ross, M. Belchier, K. Reid. (Mar. Biol., 152: 135–147 (2007)).
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Distribution of albatrosses and petrels in the WCPFC Convention Area and overlap with WCPFC longline fishing effort
Abstract: This paper presents an analysis of the distribution of albatrosses and petrels in the ... area under the jurisdiction of the Western and Central Pacific Fisheries Commission (WCPFC), using data ... from the BirdLife Global Procellariiform Tracking Database. • The WCPFC area includes 41% of the global ... significant proportion (>40%) of their time in high seas areas. Key high seas areas include the Tasman Sea ...
Meeting Document : WG-FSA-06/19 : Autor(es): C. Small (BirdLife International)
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By-catch in Australian fisheries in Divisions 58.5.2, 58.4.2 and 58.4.3 during the 2002/03 and 2003/04 fishing seasons
Abstract: This paper presents bycatch information for the Australian fisheries in Divisions ... 58.5.2, 58.4.2 and 58.4.3, with estimates of total removals by fishing ground for the 2002/2003 and 2003 ... /2004 seasons. Bycatch in the trawl fisheries was low, approximately 1 to 2% of the total catch (target ... plus bycatch). Bycatch in the longline fisheries was higher, ranging from 8% to 14% of the total catch ...
Meeting Document : WG-FSA-04/68 : Autor(es): E. van Wijk and R. Williams (Australia)
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Summary of the seabird and marine mammal observations during observed toothfish (Dissostichus spp.) longline fishing operations in CCAMLR Subareas 88.1 and 88.2
operations that targeted toothfish (Dissostichus spp.) in 2001–03 in Sub-areas 88.1 and 88.2. The ... distribution of fishing effort was dictated by the presence of sea ice and there are differences in the seabird ... composition reported each year because of variation in the spatial distribution of the seabirds. At-sea ... identification of some species is difficult and some of the species that were reported from outside their known ...
Meeting Document : WG-FSA-04/42 : Autor(es): S.J. Baird (New Zealand)
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Review of rattail and skate by-catch and analysis of rattail standardised CPUE from the Ross Sea toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02
Abstract: Little is known about the bycatch of skates, rays and macrourids in the target longline ... fishery for toothfish in the Ross Sea. Following concerns about the accuracy of reporting of bycatch ... raised by the 2001 CCAMLR bycatch subgroup, the processes for recording bycatch in this fishery were ... reviewed and the accuracy of data recording was investigated. Current systems were considered to be ...
Meeting Document : WG-FSA-02/40 : Autor(es): R.G. Blackwell and S.M. Hanchet (New Zealand)
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Update to recruitment series for Patagonian toothfish in the Heard Island region
Abstract: The recent fish survey at in the vicinity of Heard Island in 2000 has provided ... estimates of recruitment for at least one new cohort (1996) and another estimate of the 1995 cohort. The ... older cohorts are likely to be distributed more widely than the shallow part of the Heard Plateau ... , consistent with the observations from 1999. A reanalysis of all survey data from the region has shown that ...
Meeting Document : WG-FSA-00/42 : Autor(es): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)