Search results
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Krill population dynamics at South Georgia 1991–1997, based on data from predators and nets
) of 3 predator species breeding at South Georgia and 12 weeks of sampling (n = 10 252 krill) from scientific nets ... ) of 3 predator species breeding at South Georgia and 12 weeks of sampling (n = 10 252 krill) from scientific nets ... Abstract: Central to understanding krill population dynamics is knowledge of their population ... structure. To examine this we used length-frequency distributions from 142 weeks of sampling (n= 23996 krill ...
Meeting Document : WS-AREA 48-98/15 : Author(s): K. Reid, J. Watkins, J. Croxall and E. Murphy (UK)
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Variation in echosounder calibration with temperature and some possible implications for acoustic surveys of krill biomass
Abstract: Accurate estimation of krill biomass by acoustic techniques is dependant upon a number ... of factors including, fundamentally, accurate echo-sounder calibration. The Simrad EK500 scientific echo ... -sounder used aboard RRS James Clark Ross is regularly calibrated at South Georgia before and after krill ... to an under-estimation of krill biomass by 52.5 %. Every effort should therefore be made to ensure that echo ...
Meeting Document : WG-EMM-97/52 : Author(s): Watkins, J.L., Woodroffe, P., Brierley, A.S., Goss, C.
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Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population
Abstract: Understanding the demographics of Antarctic krill over large scales may be complicated ... –frequency distribution of krill in the Scotia Sea using samples from the South 13 Shetland Islands and South ... is apparent that strong recruitment of the smallest size class of krill is represented in both populations ... simultaneously. It appears 19 that first-year krill are advected into different regions of the Scotia Sea where ...
Meeting Document : WG-EMM-02/16 : Author(s): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)
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Long term movements and activity patterns of an Antarctic marine apex predator: the leopard seal
to those observed in other predators in the region including the krill fishery. Analysis of habitat ... observed in other predators in the region including the krill fishery. Analysis of habitat associations ... of the region’s fisheries, shows an understanding of leopard seal ecology is vital in the management ... documents: United Kingdom ...
Meeting Document : WG-EMM-18/P09 : Author(s): I.J. Staniland, N. Ratcliffe, P.N. Trathan and J. Forcada
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Conservation Measure Conservation Measure 25-02 (2008)
of International Scientific Observation, providing that all other elements of this conservation measure ... of the vessel to that where longlines are hauled. For vessels or fisheries where there is not a requirement ... be tested on vessels carrying two observers, at least one appointed in accordance with the CCAMLR Scheme ... for ship operations or observer reporting, shall be referenced to GMT. 8 Wherever possible, setting ...
Conservation Measure : 25-02 (2008)
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An introduction to the International Association of Antarctica Tour Operators (IAATO)
observer status at the thirty-seventh meetings of the Commission and Scientific Committee. IAATO ... ) Approval: Approved Secretariat Workflow Status: Content Approved Document Release Consent: Yes ... Delegation responsibility for releasing documents: IAATO ... The International Association of Antarctica Tour Operators (IAATO) has been granted observer status ...
Meeting Document : CCAMLR-XXXVII/BG/27 : Author(s): Submitted by IAATO
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Choosing distance between acoustic survey tacks
, and the variation coefficient of the density values of the krill concentrations. It is recommended ... in the biomass estimate, and the variation coefficient of the density values of the krill concentrations ... , and the variation coefficient of the density values of the krill concentrations. It is recommended ... concentrations de krill. 11 est recommande que le critere suggere soit applique dans les etudes ... valores de densidad de las concentraciones de krill. Se recomienda que el criterio sugerido se aplique ... , W.D. Tesler All-Union Research Institute of Marine Fisheries and Oceanography VNIRO Research ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Author(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler
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Towards a strategic framework for assessing uncertainty in ecosystem dynamics models: objectives are sensitive too
candidate feedback management approaches for the Antarctic krill fishery in the southern Drake Passage ... simulations of krill, its predators and fishery. It has been used to provide advice on the spatial allocation ... feedback management approaches for the Antarctic krill fishery in the southern Drake Passage and Scotia Sea ... of krill, its predators and fishery. It has been used to provide advice on the spatial allocation ...
Meeting Document : WG-EMM-12/20 Rev. 1 : Author(s): S. Hill and J. Matthews (United Kingdom)
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Review of identity and biology of species of the family Macrouridae, from the CCAMLR fishery in the Ross Sea, Antarctica
Abstract: Samples of macrourid rattail bycatch from the toothfish fishery in sub-areas 88.1 & ... ; 88.2 in 2002 were identified by observers and returned to New Zealand for subsequent confirmation ... and between the data origins (NIWA and observer). Observer data were derived from fresh specimens and NIWA ... the CCAMLR fishery in the Ross Sea, Antarctica Approval: Approved ...
Meeting Document : WG-FSA-02/32 : Author(s): P.M. Marriott and P. McMillan (New Zealand)
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Conservation Measure Conservation Measure 21-02 (2006)
Exploratory Fisheries Limitations: Except for waters adjacent to the Kerguelen and Crozet Islands ... Exploratory Fisheries ... a fishery is classified as exploratory, the Scientific Committee shall develop (and update annually ... activities of scientific observers and the vessel, as may be required for the Scientific Committee ... by the Scientific Committee and the Commission. The Fishery Operations Plan shall include as much of the following ... conservation measures; (ii) ensure that each vessel carries a CCAMLR-designated scientific observer ...
Conservation Measure : 21-02 (2006)