Search results
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Champsocephalus gunnari Heard Island (Division 58.5.2)
3 1998/99 2 1 160 1 1999/00 137 916 2 2000/01 1 136 1 150 2 2001/02 865 885 2 2002/03 2 345 2 980 ... -30 -20 -10 1996/97 1997/98 1998/99 1999/2000 2000/01 2001/02 2002/03 2003/04 Weighted Frequency ... 2000/01 1 150 0 80 0 50 0 50 0 50 2001/02 3 150 0 80 0 50 1 50 0 50 2002/03 22 150 0 80 0 465 20 120 ...
Document : Site Section: Publications
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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
fishing season with the aims of providing the data required for assessments of the population structure ... with discard weights at 19% and 0.8% of toothfish catches, respectively. These rates are similar to ... experiment in the South of Subarea 48.4 in 2009/10 with a combined catch limit of 75 tonnes for Dissostichus ... spp. 6. It is proposed that tagging effort is restricted to D. mawsoni which dominates catches in the ...
Meeting Document : WG-FSA-09/18 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)
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DEVELOPING A ‘BEST AVAILABLE SCIENCE’ BATHYMETRIC DATA FRAMEWORK FOR FISHERIES MANAGEMENT IN THE ROSS SEA
sources improve with time through additional data collection and analytical methods. In addition, the ... and also improve with research through time. We report on an effort to define the current “best ... available science” bathymetric data for the Ross Sea region along with a set of spatial tools in the form of ... computer scripts that provide a transparent and citable method to derive standard summary statistics for ...
Meeting Document : WG-FSA-09/38 : Author(s): S.J. Parker, S.M. Hanchet, B. Wood and A. Dunn (New Zealand)
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Study on reproductive biology of Champsocephalus gunnari, Chaenocephalus aceratus and Pseudochaenichthys georgianus from South Georgias and Shag Rocks, Dr Eduardo Holmberg survey – May 2013
observed that relative fecundity decreased with increasing length and weight of the females. Diameter and ... totally mature females of three species (with hydrated oocytes). C. gunnari, C. aceratus and P. georgianus ... dry weight of C.gunnari ’s hydrated oocytes showed a positive relationship with female size. Author(s ...
Meeting Document : WG-FSA-13/59 : Author(s): M.I. Militelli, G.J. Macchi and K.A. Rodrigues (Argentina)
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Precautionary, ecosystem-based management for the Antarctic krill fishery: a work in progress
enhance its precautionary management of the krill fishery in line with Convention objectives. This paper ... compliance as they relate to the krill fishery. The paper concludes with a number of recommendations to make ... progress on each of these issues. Specifically, ASOC recommends that CCAMLR: Incorporate climate change ... for reporting catches with increased precision at two-hour intervals. Author(s): Submitted by ASOC ...
Meeting Document : SC-CAMLR-XXXVII/BG/17 : Author(s): Submitted by ASOC
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Interannual variability of the South Georgia marine ecosystem: biological and physical sources of variation in the abundance of krill
. There is now extensive evidence that there are years when there is a very low abundance of Antarctic ... krill (Euphausia superba) in the South Georgia area, and that the variation affects much of the ... ecosystem with the most obvious impacts on survival and breeding success of some of the major krill ... krill and the transport pathways emphasizing that both the causes and the consequences of events at ...
Meeting Document : WS-AREA 48-98/8 : Author(s): E.J. Murphy, J.L. Watkins, K. Reid, P.N. Trathan, I. Everson, J.P. Croxall, J. Priddle, M.A. Brandon, A.S. Brierley (UK) and E. Hofman (USA)
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
Abstract: This paper investigates the influence of mixing of fish, and the uneven distribution ... This paper investigates the influence of mixing of fish, and the uneven distribution of tag ...
Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Author(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)
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Use of indices of predator status and performance in CCAMLR fishery management
COCTOHT H3 Tpex 3JieMeHTOB, KOTOphle onpe.l(eJI5IIOT BeJIHliHHY H 3HalleHHe H3MeHeHHH OT~eJibHhlX ... . PaccMaTpHBaiOTC5I OTHOCHTeJibHbie npeHMyllleCTBa H npHrO~HOCTb peKOMeH,l{al.\HH no orpaHHlleHHIO 06beMa, BpeMeHH ... trends being detected. Important though such results may be, they will not replace the need for some ... being developed for fisheries directed at existing target species, where there are adequate data ... seabird and seal predators,collected as part of the CCAMLR Ecosystem Monitoring Program (CEMP) could be ... factors potentially influencing or correlated with the changes. The relative merits and feasibilities of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Author(s): Croxall, J.P.
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
conservative estimates of the regional biomass in recent years. This suggests that the trigger level would be ... biomass at the subarea scale. The most effective means to acquire this information is likely to be through ...
Meeting Document : WG-EMM-16/21 : Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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Directed research. Antarctic Marine Living Resources (AMLR). A program development plan
to joint international research efforts which are being planned and undertaken by the member countries ... international research efforts which are being planned and undertaken by the member countries of the CCAMLR ... international research efforts which are being planned and undertaken by the member countries of the CCAMLR ... CIlIA B npoBeAeHHe COBMeCTHbIX Me~AYHapoAHbIX. rrporpaMM HccneAOBaHHH, KOTopble rrnaHHPYIDTCH ... AeHTen hHOCTH Ha 06'beKTbI nOBa, a TaK~e 3aBHCHIItHe OT HHX H CBH3aHHhIe C HHMH BHAhI H nonynHItHH ... npOMbIcna KaK Ha 06'beKThl nOBa, TaK H Ha BHAhl, BXOAHmHe B COCTaB npHnOBa rrpH npoBeAeHHH KOMMepqeCKHX ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Author(s): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)