Search results
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Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012
. Reasonable catches of Patagonian toothfish were found around Shag Rocks (greater than in 2009 and 2010), with ... three size cohorts of fish identified including evidence of a new cohort of 2+ age fish (29-39cm). Catch ... -weighted length frequencies of mackerel icefish indicated that 2+ and 3+ sized fish dominated at Shag Rocks ... of which may be attributable to icefish, were observed in the water column, and in only 23 hauls 15.2 ...
Meeting Document : WG-FSA-12/37 : Author(s): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)
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CEMP cameras data validation experiment at the Galindez Island gentoo colonies
Abstract: We inform on the results of the data validation experiment provided for pictures from ... time-lapse cameras of the CEMP camera monitoring project of CCAMLR at Galindez Island gentoo colonies ... , provided continuous observations every day of gentoo nests in the three sites where automatic time-lapse ... cameras installed. The results of visual observations have been compared with data from camera pictures ...
Meeting Document : SC-CAMLR-XXXVII/BG/20 : Author(s): A. Dzhulay, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyy, L. Pshenichnov and A. Grytsai
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Aligning toothfish fishery status with the CCAMLR regulatory framework
Convention Area is intended to be guided by CCAMLR’s regulatory framework. However, the status of toothfish ... with the regulatory framework. This can be accomplished through developing and adopting a suite of ... fishery status based on their stage of development. Here, specific examples of toothfish fisheries with a ... status of closed and exploratory as set out in conservation measures, and that of the regulatory ...
Meeting Document : WG-FSA-2019/66 : Author(s): C.D. Jones
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Krill and zooplankton populations monitored during AMLR 2004 surveys (Subarea 48.1) with respect to the long-term Elephant Island area datasets
Abstract: Net sampling during annual field season activities of the U.S. Antarctic Marine Living ... Resources (AMLR) Program yielded about average concentrations of postlarval krill during January and ... good recruitment of the 1990/00, 2000/01 and 2001/02 year classes and little contribution from the 2002 ... /03 season. Although little reproductive activity and unusually large proportions of immature ...
Meeting Document : WG-EMM-04/72 : Author(s): V.J. Loeb (USA)
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Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2010/11
Abstract: In order to clarify the stock status and biological characteristics of Dissostichus spp ... Maru No. 3 to be conducted in April-June 2011. This is the second year of the survey of the 3-5 years ... the mark-and-recapture studies, sufficient tagging rate of 5 fish / ton will be conducted in the same ... manner as the 2009/10 survey. We calculated the two values (78 and 114 tonnes) of total allowable sample ...
Meeting Document : WG-SAM-10/15 : Author(s): Delegation of Japan
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Using preferred habitat models for chinstrap penguins (Pygoscelis antarctica) to help improve krill fisheries management during the penguin breeding season
planning. Using habitat models to understand which variables influence the distribution of predators at-sea ... can enable us to predict the distributions of un-tracked populations, and thus help to identify any ... impact penguin populations. We show that the distribution of chinstrap penguins can be predicted using ... two simple variables; the distance to the colony and a measure of the direction of travel towards the ...
Meeting Document : WG-EMM-17/33 : Author(s): V. Warwick-Evans, N. Ratcliffe, H.L. Clewlow, L. Ireland, A. Lowther, F. Manco and P.N. Trathan
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Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups
Abstract: The body composition, milk consumption, and growth efficiency of Antarctic fur seal ... , South Georgia. The body composition of pups differed between the sexes; whereas for any given age ... consumption was determined on 388 occasions in 177 pups. Mean estimates of milk consumption ranged from 2.5 to ... before decreasing significantly in the last 30-40 days of lactation. Per-bout milk consumption was ...
Meeting Document : WG-EMM-97/11 : Author(s): Socha, D.G., Arnould, J.P.Y., Boyd, I.L.
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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 ... 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 ... decline, were disproportionately affected in relation to their numbers in the vicinity of the fishing ...
Meeting Document : WG-IMALF-94/15 : Author(s): J.R. Ashford, J.P. Croxall (United Kingdom), P.S. Rubilar and C.A. Moreno (Chile)
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Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate
Abstract: The reproductive success of southern right whale (Eubalaena australis) depends on body ... change in the abundance of the species main prey, krill (Euphausia superba), on the feeding grounds ... . Annual data on southern right whale number of calves were obtained from aerial surveys carried out ... number of calves recorded each year varied from 7 to 43 (x = 21.11 ± 11.88). Using cross-correlation ...
Meeting Document : WG-EMM-16/P06 : Author(s): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi
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Update on the conservation status, distribution and priorities for albatrosses and petrels in the CCAMLR area
Abstract: Thirteen ACAP species (out of 31 currently listed) are currently showing overall ... population declines. The population trends of a large proportion of 16 ACAP species with significant ... thirds of the total is listed by the IUCN as threatened. The greatest threat to the ACAP species is ... RFMOs. Addressing the pervasive threat of fisheries bycatch for species as wide-ranging as albatrosses ...
Meeting Document : SC-CAMLR-XXXVII/BG/10 : Author(s): Submitted by the ACAP Secretariat