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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)
between the two species. Scientific observers on New Zealand vessels had an success rate of identification ... least 27 years; in M. caml, full size is attained at about 15–20 years of age and they can live in ... samples led to an estimated trophic level of 4.4 for M. caml and 4.1–4.2 for M. whitsoni. Author(s): M.H ... Abstract: We present the first differentiated information on the biology and ecological niche of ...
Meeting Document : WG-FSA-12/54 Rev. 1 : Автор(ы): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)
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Diet of two icefish species from the South Shetland Islands and Elephant Island, Champsocephalus gunnari and Chaenocephalus aceratus 2001–2003
2001 to 2003. C. gunnari fed almost exclusively on krill (Euphausia superba) in all years. The ... 30 cm fed on krill and mysids, while larger animals relied primarily on fish. Author(s): H. Flores ... Abstract: The summer diet of two species of icefishes (Channichthyidae) from the South Shetland ... feeding rate of C. gunnari inferred from an exponential gastric evacuation model was between 1.0 and 1.5 ...
Meeting Document : WG-FSA-03/61 : Автор(ы): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)
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Discussion on recent results from an integrated assessment of Antarctic krill (Euphausia superba) in Subarea 48.1
simulation testing. Together, results from the two annual models and the seasonal model suggest that inter ... (either decreasing or increasing) in krill biomass have not been apparent over the past 30+ years ... -assessment framework for Antarctic krill (Euphausia superba) to assimilate multiple sources of survey data ... from three of the models provide a robust picture of changes in the krill population. An annual model ...
Meeting Document : WG-EMM-14/35 : Автор(ы): G.M. Watters, C.S. Reiss and D. Kinzey (USA)
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An update on the Antarctic Climate Change and the Environment (ACCE) report
: An update on the Antarctic Climate Change and the Environment (ACCE) report Approval: Approved ... Antarctic Climate Change and the Environment (ACCE) Report. It considers two key questions that climate and ... anthropogenic signals and the Antarctic ice sheet and sea level. SCAR has formed an ACCE Expert Group that will ...
Meeting Document : CCAMLR-XXIX/BG/17 : Автор(ы): Submitted by SCAR
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A comparison between the estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey
krill from an acoustic survey with that obtained by scientific nets on the same survey Approval ... density estimates for the RMT 8 oblique (0 to 200m depth) trawls conducted during January-March 1996 as ... part of a hydroacoustic biomass survey for Antarctic krill in CCAMLR Division 58.4.1. The acoustic ... found between the two data sets. Several orders of magnitudes were seen in the range of variation ...
Meeting Document : WG-EMM-97/43 : Автор(ы): Pauly, T., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S.
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A two-fleet ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
become available for the years 2004 and 2005. The assessment is also generalised to allow for a second ... of various constant annual catches for the two-fleet model are computed. Although higher sustainable ... annual legal catch not to exceed 500 tonnes for the time being, together with encouragement that this be ... obtained show a much greater selectivity for larger toothfish for the pot than for the longline fishery – a ...
Meeting Document : WG-FSA-05/58 : Автор(ы): A. Brandão and D.S. Butterworth (South Africa)
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SOUTHERN OCEAN SENTINEL: AN INTERNATIONAL PROGRAM TO ASSESS CLIMATE CHANGE IMPACTS ON MARINE ECOSYSTEMS
climate change impacts for use by governments, the Intergovernmental Panel on Climate Change and other ... ecosystem models, was the focus of discussion at an International Workshop on ‘Monitoring climate change ... , Australia, on 20-24 April 2009. It was hosted by the Antarctic Climate and Ecosystems Cooperative Research ... Abstract: Assessment and predictive models need to be developed to provide two assessments of ...
Meeting Document : SC-CAMLR-XXVIII/BG/17 : Автор(ы): Delegation of Australia
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An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992
. An overall mean for daytime transects was 95 g m-2. Author(s): Everson, I., Goss, C. Title: An ... operating at 38 kHz and 120 kHz. The results have been analysed for all straight sections of track when the ... Georgia. The appearances of echoes on echo charts were used to decide which echoes to include in krill ... backscattering strength at the two frequencies into a) echoes from krill-sized scatterers and smaller and b ...
Meeting Document : WG-EMM-96/42 : Автор(ы): Everson, I., Goss, C.
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TIMING OF CLUTCH INITIATION IN PYGOSCELIS PENGUINS ON THE ANTARCTIC PENINSULA: TOWARDS AN IMPROVED UNDERSTANDING OF OFF-PEAK CENSUS CORRECTION FACTORS
through the breeding cycle. In this paper we present an analysis relating to both of these two challenges ... statistical model for determining the peak of clutch initiation for any given year and site and, along with a ... Abstract: Penguin censuses on the Antarctic Peninsula are often subject to logistical challenges ... Ecosystem Monitoring Program (CEMP) (Scientific Committee for the Conservation of Antarctic Marine Living ...
Meeting Document : WG-EMM-PSW-08/15 : Автор(ы): H.J. Lynch, W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation
the world, concern was raised as to the effect an experimental Hake longline fishery would have on ... responsible for 1928 ± 1345 whitechinned petrel deaths a year in South African waters. Stepwise multiple ... Abstract: Due to the detrimental effect longline fisheries have had on seabirds in other parts of ... Procellariiform seabirds in South Africa. Carcases of Procellariiform seabirds caught on Hake longlines during ...
Meeting Document : WG-FSA-95/21 : Автор(ы): Barnes, K.
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