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Beyond MSY: a consideration of definitions of management objectives
Article II of the CCAMLR Convention. The criteria will depend on whether the main concern is with ... / Description: The concept of ‘Maximum Sustainable Yield’ (MSY) has provided a useful guideline for resource ... assessment. Suggestions are made for the provision of advice to the Commission for the finfish and krill ... nominal effort each year, based on the values of F and fishing effort in the most recent years. Since ... remaining constant, GNAI would probably be the same as MSY, and both provide clear guidance on the need for ... CONSIDERATIONS Recruitment overfishing A fish population is usually thought of in two parts. For the first ... fishing practice, the distinction is an important one that exists for all fish except perhaps for a f~w ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Autor(es): Gulland, J.A.
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SC-CAMLR-XXX
fisheries for Dissostichus spp. in 2011/12 Delegation of South Africa CCAMLR-XXX/20 Notifications of Spain’s ... United Kingdom CCAMLR-XXX/30 Proposal for a general conservation measure to implement Marine Protected ... -conveners of ad hoc TASO SC-CAMLR-XXX/09 An MPA scenario for the Ross Sea region Delegation of the USA SC ... CCAMLR-XXX/BG/15 Annual Report from SCAR to CCAMLR Submitted by SCAR CCAMLR-XXX/BG/19 30 years of krill ...
Meeting
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e-cc-xv-a4.pdf
... , should be reappointed auditor of the Commission for the next two years. 7. The Committee noted that the ... Commission had decided in 1994 that a full audit should be performed on average once every two years, and in ... performed for the past two years, the Committee recommended that the Commission require a full audit to be ... suitability of any basis for subsequent years. 27. In reaching agreement on the basis, many members of the
application/pdf attached to:SCAF-96
Meeting Report : SCAF-96
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Krill population biology during the 1991 Chilean Antarctic krill fishery
during krill fishing operations around the South Shetland Islands on board the Chilean factory vessel ... size from 1.5 to 3 cm). Two subsamples of 100 specimens each were taken from 50 samples and analysed ... . The fishing ground was divided into two areas: Area A, north of the South Shetland Islands; and Area B ... 419 hauls. In Area A, a unimodal size frequency distribution was found; the size range was between 30 ... between 30 and 55 mm TL, with a mean TL of 45 mm for females and 48 mm for males. A very weak mode for ... other (modal length 32 mm) for juvenile specimens between 20 and 39 mm TL. Females comprised 47.1 ... (ENDEPES), collected biological information on krill catches. The main objective of this article is to ... length mode of specimens between 30 and 55 mm TL, a mean TL of 45 mm for females and 48 mm for males ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Autor(es): Mujica R., A., E. Acuña S. and A. Rivera O.
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Interactions between longline vessels and seabirds in Kerguelen waters and a method to reduce seabird mortality
Abstract: In recent years, a new longline fishery for the fish Dissostichus eleginoides has ... areas for procellariiform birds. Attractiveness of this fishery for seabirds, together with the ... developped in the vicinity of South Georgia and Kerguelen islands, two internationally important breeding ... , more attempts to feed on baits being made by skilled divers such as the white-chinned petrel (87% of ...
Meeting Document : WG-IMALF-94/12 : Autor(es): Yves Cherel, Henri Weimerskirch and Guy Duhamel (France)
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Trends in bird and seal populations as indicators of a system shift in the Southern Ocean
Abstract: Although world oceans have been warming over the past 50 years, the impact on biotic ... on several breeding sites have decreased severely, whilst two species have increased at the same time ... components is poorly understood because of the difficulty of obtaining long-term data sets on marine ... organisms. The Southern Ocean plays a critical role on global climate and there is growing evidence of ...
Meeting Document : WG-EMM-03/53 : Autor(es): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)
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Acoustic data analysis and models of krill spatial distribution
/ Description: Acoustic data obtained on 4-5 January 1987 aboard the R/V Professor Siedlecki were used in three ... descriptors of krill spatial aggregation: power spectra for krill biomass fluctuations in space, semivariogram ... wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 km the ... over most distances between points except for the distances smaller than 1 km. The computed frequency ... and plays an important role in supporting animal populations such as whales, seals and penguins as ... swarms have a diameter smaller than 200 m and that the observed biomass is an average for a 200 m trace ... ) supports this concept. We make an attempt to model the krill biomass spectrum on the basis of the ... (cycles/km) Power spectra for krill at the 2-20 km scale observed in this analysis (line) and by Weber ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Autor(es): Morin, A., A. Okubo and K. Kawasaki
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13
vessels fishing shallower there in the last four years. There is some evidence for a similar reduction in ... Abstract: This report summarises the timing, depth, and location of fishing together with the ... biological aspects and catch of Antarctic toothfish for the period 1997–98 to 2012–13. In 2012–13, all the ... in recent years, the remaining catches came mainly from SSRUs 88.1C, 88.1J, and 88.2H. Unstandardised ...
Meeting Document : WG-FSA-13/48 : Autor(es): S. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Spatial scales of benthic invertebrate habitats from fishery by catch and video transect data in the Ross Sea region
collected for two fishing seasons, with 4728 longline segments observed. Several regions with consistent ... habitats also varies among four benthic bioregions developed for the Ross Sea. Together, the data show that ... occurred at a typical scale of 10-30 km 2, though some sponge habitats appeared larger. Spatial analysis of ... transects on the Ross Sea slope from New Zealand’s 2008 IPY voyage provided data on the fine scale ...
Meeting Document : WG-EMM-10/28 : Autor(es): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)
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e-sc-iv.pdf
... level of some recent years), on the total annual catches in each of these two sub-areas; 16 (d ... on year-class strength is not as good as for Kerguelen, it does suggest that, as in the case at ... and workshops for their valuable work. 3.2 The Ad Hoc Working Group on Ecosystem Monitoring, chaired ... the group, together with the Chairman and Rapporteur (Dr J. Gulland) for their hard work. 4.2 The
application/pdf attached to:SC-CAMLR-IV
Meeting Report : SC-CAMLR-IV