Search results
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Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea
the CASAL stock assessment models from the available data. Revised estimates of the rate at which ... rate after some long period at liberty, but there was no evidence of such failure in these data for ... periods of up to six years at liberty. The loss rate for double tags had been incorrectly derived and ... Abstract: The rate at which tags are lost from tagged toothfish is an important parameter in ...
Meeting Document : WG-SAM-11/18 : Author(s): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)
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Changes in the foraging range of Adélie penguins as the breeding season progresses
their shortest trips during the guard stage of chick rearing. An annually recurrent polyna was consistently used ... to shorter foraging trips at this time. Author(s): J. Clarke and L. Emmerson (Australia) Title: Changes ... of the breeding cycle. 2. Penguins ranged furthest north during incubation and made their shortest trips during ... to shorter foraging trips at this time. ...
Meeting Document : WG-EMM-04/57 : Author(s): J. Clarke and L. Emmerson (Australia)
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Aide memoire: Balleny Islands
that through a fully consultative process with CCAMLR partners, a new proposal which represents the best method ... that through a fully consultative process with CCAMLR partners, a new proposal which represents the best method ...
Meeting Document : WG-EMM-01/71 : Author(s): Delegation of New Zealand
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
until recently. The number of debris items found has increased in the last season reported at Bird ... the debris associated with seabird colonies. The number of Antarctic fur seal entanglements at Bird ... Abstract: The current status of national surveys on monitoring of marine debris and their impact ... wood items, reached a peak in the period 1994-1996 at Bird Island and Signy Island, but have declined ...
Meeting Document : SC-CAMLR-XXIV/BG/13 : Author(s): Secretariat
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REVIEW OF CCAMLR ACTIVITIES ON MONITORING MARINE DEBRIS IN THE CONVENTION AREA
associated with seabird colonies and animals contaminated with hydrocarbons at a number of sites, primarily ... debris reported from monitoring sites. Relatively large amounts of fishing items have been reported at ... years at any of the sites monitored. Although the amount of beached marine debris reported from Bird ... Abstract: CCAMLR Members monitor beached debris, entanglement of marine mammals, marine debris ...
Meeting Document : WG-FSA-08/09 : Author(s): Secretariat
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Estimates of local biomass, including estimates of uncertainty, for Antarctic (Dissostichus mawsoni) and Patagonian (Dissostichus eleginoides) toothfish in research blocks in Subareas 48.2, 48.6, 58.4 and 88.3
-seabed area method parameter values that were agreed at WG-SAM-17, the estimates of biomass in the ... Abstract: This paper includes updated local biomass estimates of toothfish populations with ... at WG-SAM-16 with revisions to the CPUE-by-seabed area parameter values agreed at WG-SAM-17. The ... relevant Research Blocks have increased relative to the estimates that were presented at WG-FSA-16. The ...
Meeting Document : WG-FSA-17/42 : Author(s): CCAMLR Secretariat
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Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014
CCAMLR risk 2 values at 13 tonnes and above for the shallow fishery exceed 50% toward the end of 35 year ... Abstract: We revised sensitivity runs of age-structured and two fisheries (≥1 300 m and < 1 ... 300 m) CASAL models for stock status assessments of Dissostichus eleginoides in the research block ... 58.4.3a_1 following the recommendations of the last WG-SAM meeting. Total of four runs were carried out ...
Meeting Document : WG-FSA-15/22 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)
left pelvic fin; number of rows of teeth in the lower jaw) were very effective at distinguishing ... different growth rates; M. whitsoni approaches full size at about 10–15 years of age and can live to at ... least 27 years; in M. caml, full size is attained at about 15–20 years of age and they can live in ... excess of 60 years. However, sexual maturity in female M. whitsoni is reached at longer length and older ...
Meeting Document : WG-FSA-12/54 Rev. 1 : Author(s): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)
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An assessment of longlining operations for Dissostichus eleginoides on board the Chilean-registered longliner BF Cisne Verde during March–May 1997 around South Georgia (Subarea 48.3)
sex were taken. Mean total length of females caught was higher than males, and length at first ... only 24% in the female population. The mean daily loss rate of toothfish observed at the hauling point ... of fish caught relative to the length at first maturity of females indicate that reproductive over ... South Georgia (Sub-area 48.3) were assessed over 48 days during April and May. All lines were set at ...
Meeting Document : WG-FSA-97/41 : Author(s): Ashford, J.R., Everson, I.
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Seabird interaction with long-lining operations for Dissostichus eleginoides around South Georgia, April and May 1994
mortalities recorded over twenty sets of the line; no mortalities occurred during hauls. The 16 sets made at ... vessel; giant petrels also may be disproportionately affected, at least in relation to the size of their ... night contributed 15% of the overall mortality, all of white-chinned petrels: the four day time sets ... contributed 85% of overall mortality, with giant petrels, grey-headed albatrosses and black-browed albatrosses ...
Meeting Document : WG-IMALF-94/15 : Author(s): J.R. Ashford, J.P. Croxall (United Kingdom), P.S. Rubilar and C.A. Moreno (Chile)