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Field Identification Guide to Heard Island and McDonald Island Benthic Invertebrates
allow for the dilution of the solution by the water in the body of the animal. Some phyla are damaged ... bar in the photo (i.e. ruler) as it’s important that we can judge the size of the animal in frame ... cylindrical priapulid body, ranging in length from 0.5 mm to 30 cm, is covered by a thin cuticle, which is ... invertebrate diversity in the territory of Heard Island and McDonald Islands (HIMI). In an initiative to ...
Document : Site Section: Science
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Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia
(Champsocephalus gunnari) in Subarea 48.3 employs the CCAMLR mixture analysis program (CMIX) and generalised yield ... accurate identification of age cohorts from the survey data. In this paper a length-based approach is ... data which, in conjunction with the bootstrapped survey biomass data, yields an estimate of the ... showed very good agreement in calculated yields for 2006, 2007 and 2009, and some differences for 2008 ... 20 30 40 50 (b) Hillary et al. 134 In equation (6) the ... τ, there exists a (length) transition matrix Γij, which defines the probability of an animal in ... Length (cm) 10 20 30 40 50 60 Figure 1 ... - aggregated (right). 2009 survey Length (cm) D en si ty 10 20 30 40 50 10 20 30 40 5010 20 30 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Autor(es): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew
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e-sc-xxxvi-a05.pdf
... recapture data (excluding within-year recaptures). Truncation to four years at liberty in the Subarea 48.3 ... held in the Palacio San Martín, Buenos Aires, Argentina, from 26 to 30 June 2017. The meeting Convener ... in previous years. These are currently used as an important source of data within the model, and so ... years of their release as input data, whereas the assessment in Subarea 48.4 uses all available
application/pdf attached to:WG-SAM-17Meeting Report : WG-SAM-17
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
levels of infection by a rhizocephalan barnacle have been found in the population of the crab Paralomis ... to declines in spawning stock. The effects of harvesting both healthy and infected animals are ... animals from the population. The need is stronger when the population is sensitive to declines in spawning ... stock. Results highlight the importance of incorporating parasitism in the design of a management ... animal is in the size range where the chela has started growing at the higher adult growth rate. Data ... the population-dynamics-at-age are given in the appendix, together with the parameters used in this ... spawning stock is already below its maximum level, even without any harvesting. 0 0 10 20 30 40 50 60 ... changes in spawning stock. 0- 60 0 (I) 40 (I) (I) ;j, 20 0 0 0.2 0.4 0.6 0.8 1 Fishing ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Autor(es): Basson, M
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Conservation Measure Conservation Measure 91-04 (2011)
: CCAMLR-XXX Period in Force: 2011- ... establishing CCAMLR MPAs in the Convention Area in accordance with Article II of the CAMLR Convention, where ... following conservation measure in accordance with Article IX of the Convention to provide a framework for ... being met. (ii) Research activities not in the research and monitoring plan shall be managed ... years or as agreed by the Commission when advised by the Scientific Committee, including in order to ...
Conservation Measure : 91-04 (2011)
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e-sc-xi-a4.pdf
... Punta Arenas, commenting that this was the first time the Group had met in the Southern Hemisphere ... , paragraph 3.48); • continued development of operational definitions of Article II in the context of ... From the above, it was concluded that at least 227 000 tonnes of krill were caught in 1991/92, with 30 ... biomass estimates for each subarea. Results are presented in WG-Krill-92/20. 4.48 Thanks were
application/pdf attached to:WG-KRILL-92Meeting Report : WG-KRILL-92
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e-cc-xxv-a4.pdf
... should be performed on average once every two years, and in 1995 that this would be required at least ... once every three years. Full audits were carried out in 2003 and 2004 and a review audit in 2005 ... that a saving of some A$30 000 will be achieved in the Travel subitem. 13. Following the ... establishment of the Asset Replacement Fund (CCAMLR-XXIV, Annex 4, paragraph 20) in 2005 to provide for
application/pdf attached to:SCAF-06Meeting Report : SCAF-06
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
whales have been more frequently encountered in recent years, occurring in larger pod sizes, whereas ... 3.8% and sperm whales on 17.7% of lines. Killer whales appear in pod sizes normally of 4 to 10 animals ... toothfish, usually depressing CPUE by about 50%. Sperm whales occur in smaller pod sizes, normally between 1 ... and 4 animals, and have a relatively lower impact on catches, depressing CPUE by up to 20%. Sperm ... , followed by two years of low interaction, and finally another year of very high interaction in 20009. The ... frequently encountered in recent years, occurring in larger pod sizes, whereas killer whale encounters and ... in recent years, most recently by Kock et al. (2008). Around South Georgia they were first recorded ... end of the season; over the seven years, 27% of observed sets have been set in May, 26% in June and ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Autor(es): Moir Clark, J. and D.J. Agnew
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Fish prey of the wandering albatross Diomedea exulans at South Georgia
between years but epipelagic fish were significantly more abundant in +I983 than 1984. All identified fish ... (35%), Muraenolepis microps (33 %) and Chaenocephalus acemtus (20%) predominated, with Notothenia ... gibberifrons, Pagothenia hansoni and Champsocephalus gunnari (together 12%) also present. Composition by weight ... caught in the commercial fishery there. However, two of the three main target species of this fishery in ...
Meeting Document : SC-CAMLR-VII/BG/05 : Autor(es): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)
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e-cc-xxviii.pdf
... approximately A$3 500 in 2010 and subsequent years. Chair of SCAF 3.33 The Commission noted India’s ... management1 may reduce the Commission’s ability to achieve the objectives specified in Article II (see also ... avoid restricting the fishery at the level of fishing in recent years, whilst at the same time ... not part of Article II of the Convention. However, the inclusion of some level of flexibility in the
application/pdf attached to:CCAMLR-XXVIIIMeeting Report : CCAMLR-XXVIII