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Assessments of by-catch in trawl fisheries at Heard and McDonald Islands
Island area could be a combination of (i) limiting the total by-catch in a year to the estimates of long ... Paper Title: Assessments of by-catch in trawl fisheries at Heard and McDonald Islands Abstract ... / Description: This paper assesses the potential for the commercial trawl fisheries in the Heard Island area ... (Statistical Division 58.5.2) to significantly affect, in the long term, spawning biomass of three taxa caught ... (29 out of a total 34) being less than 400 mm in length and, by these estimates, less than 8 years ... include fish of ages 12 years and above. Values of L, and K in a von Bertalanffy growth model were ... the end of 20 years of exploitation should be 75% of the pre-exploitation spawning biomass and that ... '/30). By-catch in Trawl Fisheries at Heard and McDonald Islands Table 6: Input parameters for ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Autor(es): Constable, A.J., R. Williams and W.K. de la Mare
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CCAMLR Strengthens Marine Conservation in Antarctica
Committee. In the 31 years it has been established, CCAMLR has only ever convened one other special session ... accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention, which was ... estimated 40,000 tonnes per year in the 1990s to less than 2,000 tonnes in 2010/2011. Protection of ... MEDIA RELEASE Hobart, Australia, 2 November, 2012 CCAMLR Strengthens Marine Conservation in ...
Page : Site Section: The Organisation
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CCAMLR Strengthens Marine Conservation in Antarctica
Committee. In the 31 years it has been established, CCAMLR has only ever convened one other special session ... accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention, which was ... estimated 40,000 tonnes per year in the 1990s to less than 2,000 tonnes in 2010/2011. Protection of ... MEDIA RELEASE Hobart, Australia, 2 November, 2012 CCAMLR Strengthens Marine Conservation in ...
Page : Site Section: The Organisation
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CCAMLR Strengthens Marine Conservation in Antarctica
Committee. In the 31 years it has been established, CCAMLR has only ever convened one other special session ... accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention, which was ... estimated 40,000 tonnes per year in the 1990s to less than 2,000 tonnes in 2010/2011. Protection of ... MEDIA RELEASE Hobart, Australia, 2 November, 2012 CCAMLR Strengthens Marine Conservation in ...
Page : Site Section: The Organisation
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CCAMLR Strengthens Marine Conservation in Antarctica
Committee. In the 31 years it has been established, CCAMLR has only ever convened one other special session ... accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention, which was ... estimated 40,000 tonnes per year in the 1990s to less than 2,000 tonnes in 2010/2011. Protection of ... MEDIA RELEASE Hobart, Australia, 2 November, 2012 CCAMLR Strengthens Marine Conservation in ...
Page : Site Section: The Organisation
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CCAMLR Strengthens Marine Conservation in Antarctica
Committee. In the 31 years it has been established, CCAMLR has only ever convened one other special session ... accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention, which was ... estimated 40,000 tonnes per year in the 1990s to less than 2,000 tonnes in 2010/2011. Protection of ... MEDIA RELEASE Hobart, Australia, 2 November, 2012 CCAMLR Strengthens Marine Conservation in ...
Page : Site Section: The Organisation
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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
Paper Title: Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed ... digests of nine sub-regions of the mitochondrial genome. Polymorphisms were found in four of seven introns ... air dried and resuspended in 40 µl sterile water and stored at –20°C. Two classes of markers, mtDNA ... performed in 20 μl volumes for a minimum of 4 h, following the manufacturer’s recommendations (New England ... 2.23 0.17 0.68 49 Genetic diversity in the Antarctic toothfi sh 30 recaptures have moved ... . 12 (2005): 43–51 43 LOW GENETIC DIVERSITY IN THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Autor(es): Smith, P.J. and P.M. Gaffney
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TARGET STRENGTH STUDIES ON ANTARCTIC SILVERFISH (PLEURAGRAMMA ANTARCTICUM) IN THE ROSS SEA
) theoretical, 2) ex situ measures on dead or living fish under experimental conditions, 3) in situ measures on ... free swimming fish in their natural habitat. A canvassing of the literature suggested that the type of ... over-all backscatter of 30% (Sun et al. 1985), others that TS measurements on living fish ex situ would ... be several dB higher than in situ (Nakken and Olsen, 1977). On other hand the many factors likely to ...
Meeting Document : SG-ASAM-09/10 : Autor(es): M. Azzali, I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi (Italy)
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Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea
chinstrap penguin populations have declined more than 50% during the last 30 years at study colonies in the ... ) in the West Antarctic Peninsula/Scotia Sea area. According to this scientific paper, Adélie and ... South Shetland Islands. This is consistent with the declines in both species throughout the Scotia Sea ... in the abundance of their main prey, Antarctic krill, which is affected by climate change. In this ...
Meeting Document : CCAMLR-XXX/BG/21 : Autor(es): Submitted by ASOC
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Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
mark‐recapture experiment in the South of Subarea 48.4 in 2010/11 with a reduced TAC of 30 tonnes ... Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... 48.4; A total of 186 D. eleginoides and 202 D. mawsoni were tagged and released in 2010, leaving a ...
Meeting Document : WG-FSA-10/40 : Autor(es): J. Roberts and D. Agnew (UK)