Search results
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Report on the CCAMLR marine debris monitoring program
bands found at King George Island. Overall, the amount of debris in colonies of grey-headed albatrosses ... number of marine mammal entanglements has remained relatively constant at Bird Island but continues to ... . Non-fishing items such as plastics, packaging materials and wood remain the most common type of debris ... , wandering albatrosses and black-browed albatrosses at Bird Island continues to decrease, with the major ...
Meeting Document : WG-FSA-14/68 : Author(s): Secretariat
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The relative by-catches of taxa associated with vulnerable marine ecosystems by autolines and Spanish longlines
greater than Spanish bycatch at all depths represented in our data. Limiting the use of Autolines, which ... bycatches of VME taxa made by vessels using Autolines and Spanish longlines. The fractions of sets with ... positive bycatch, as well as the weights of bycatch when bycatches were observed, were higher for Autolines ... the large number of zero-bycatch sets, we found that both the amounts of positive bycatches and the ...
Meeting Document : WG-FSA-13/41 : Author(s): T. Gerrodette and G.M. Watters (USA)
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On the accuracy of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax bransfieldensis
Phalacrocorax bransfieldensis was tested at two localities of the South Shetland Islands. F or such purpose, the ... results from the analysis of 226 and 115 pellets collected at Harmony Point and at Duthoit Point ... Abstract: The accuracy of correction factors estimated to compensate the digestion and loss ... through the gastrointestinal tract of the otoliths of fish represented in pellets of the Antarctic Shag ...
Meeting Document : WG-EMM-97/61 : Author(s): Casaux, R.
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Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob and Lena Banks
arranged referring to WG-SAM-14/18 as follows: 1) catch at length/age models on the assumption of no IUU ... fishing occurrence (Len_1/AgeSing_1 models), 2) catch at length/age models with estimation of IUU catch ... Abstract: I made six sensitive runs of CASAL models (LENGTH/AGE_IUU_MODEL) for stock status ... assessments of Dissostichus eleginoides in research block C in Division 58.4.4 b following the recommendation ...
Meeting Document : WG-FSA-14/23 : Author(s): K. Taki (Japan)
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Research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.2 in 2014/15
the latest CCAMLR C2 and observer data toward the development of research plan for the 2014/15 ... exploratory fishery of Dissostichus mawsoni in Subarea 58.4.2. The stock size for a research block (5842_1 ... the CPUE method recommended at the last WG-FSA meeting. As we proposed at the WG-FSA meeting last year ... to estimate appropriate catch limit, we propose to continue the current research operation for at ...
Meeting Document : WG-SAM-14/03 : Author(s): Delegation of Japan
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Morphometrics, maturity and movement of the Antarctic skates Amblyraja georgiana and Bathyraja eatonii in the Ross Sea
length at 50% maturity of male and female B. eatonii could not be accurately determined, but may be ... were significant differences between the two sexes: females are broader and heavier than males at ... sexes combined. It is probable that large females are larger and heavier than males of the same size ... . The regressions for these species should be used with caution. The length at 50% maturity for male A ...
Meeting Document : WG-FSA-02/42 : Author(s): M.P. Francis and N.W. McL. Smith (New Zealand)
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Oceanological factors affecting formation of mackerel icefish aggregations in the South Georgia area during different seasons of the year
disperse at the depths more than 250 m within rather narrow temperature range (1.6-1,7ºC). In this period ... feeding at the water temperature from 0.0ºC to 1.9ºC in the South Georgia area and to 2.0ºC near Shag ... Rocks. High level of energy exchange, intensive supply of food allow fish to distribute in the wider ... depths and temperature range. Taking in account the fact that in other habitats icefish occur at the ...
Meeting Document : WG-FSA-05/76 : Author(s): Zh.A. Frolkina (Russia)
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On the problem of icefish (Champsocephalus gunnari) (Channichthyidae) and krill (Euphausia superba) interaction in the South Georgia area
the data of the national fishery. It is demonstrated that?.gunnari both at the early development ... stages and as adults utilize the pelagic forage resource, the bulk of which is constituted by krill. At ... Abstract: The interaction of icefish and krill in the South Georgia area has been analysed on the ... basis of the trawling, acoustic and juvenile fish surveys carried out by AtlantNIRO during 1986-2002 and ...
Meeting Document : WG-FSA-04/41 : Author(s): S.M. Kasatkina and Zh.A. Frolkina (Russia)
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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 ... . Surveys aimed at providing a time series of recruitments could focus on this area. However, if estimates ... older cohorts are likely to be distributed more widely than the shallow part of the Heard Plateau ...
Meeting Document : WG-FSA-00/42 : Author(s): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Development of an underwater setting method for surface longliners, to minimise the accidental capture of seabirds
reaches its determined depth. At this point in time the carry over action of the capsule and retrieval ... Abstract: In response to the Department of Conservation's concerns for the accidental ... capture of seabirds by Surface Long Liners and subsequent contract 9513004, several concepts of bait ... concept being a towed paravane with an endless cable employed to transport and release the bait at the ...
Meeting Document : WG-FSA-97/54 : Author(s): Bentley, N., Smith, M.