Search results
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Update on work to estimate krill consumption by flying seabirds in CCAMLR Divisions 58.4.1 and 58.4.2
petrel, Cape petrel, southern fulmar, snow petrel and Wilson’s storm petrel) in Divisions 58.4.1 and ... 58.4.2. We compiled information on the historical search effort in potential seabird breeding habitat in ... . This work is an important contribution to estimating krill consumption by predators in Divisions 58.4.1 ... predator groups in the region including pack-ice seals and Adelie penguins and will contribute to ...
Meeting Document : WG-EMM-17/11 : Author(s): C. Southwell and L. Emmerson
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Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b
mawsoni) have been operating in Divisions 58.4.1 and 58.4.2 since 2003, however robust stock assessments ... and catch limits according to CCAMLR decision rules have yet to be developed. A key step in developing ... management advice in these Divisions is understanding the distribution, abundance and boundaries of the ... . mawsoni, including in adjacent Division 58.4.3b. Spatial heterogeneity in catch composition indicated that ...
Meeting Document : WG-FSA-17/16 : Author(s): P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon
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The krill maturity cycle: a conceptual description of the seasonal cycle in Antarctic krill
Abstract: A long term study on the maturity cycle of Antarctic krill was conducted in a research ... aquarium. Antarctic krill were either kept individually or in a batch for 8 months under different ... observed. In all cases regression and re-maturation of external sexual characteristics were observed, but ... there were differences in length of the cycle and intermoult periods between the experimental conditions ...
Meeting Document : WG-EMM-06/23 : Author(s): S. Kawaguchi, T. Yoshida, L. Finley, P. Cramp and S. Nicol (Australia)
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
Abstract: At WG-EMM in Siena, 2004, the UK reported on the bycatch of fur seals in the krill ... fur seal deaths in the fishery. WG-EMM requested the UK to provide further details of the methods ... gazella) entanglements on krill vessels fishing around South Georgia in the 2004 fishing season. The ... fishing for krill in CCAMLR Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-04/83 : Author(s): J. Hooper, J.M. Clark, C. Charman and D. Agnew (United Kingdom)
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Finfish by-catch in the krill fishery for the 2010 and 2011 seasons
, that may go undetected in larger samples, are recorded using a sorting method with a standard sub ... -catch. This paper uses data collected using the fish sampling protocol (K12) during 2010 and 2011 in ... order to estimate finfish by-catch in the krill fishery. The information regarding by-catch of finfish ... in the krill fishery is limited and 2010 was the first year when the simplified sub-sampling method ...
Meeting Document : WG-FSA-11/05 : Author(s): Secretariat
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IDENTIFYING TAXONOMIC GROUPS AS VULNERABLE TO BOTTOM LONGLINE FISHING GEAR IN THE ROSS SEA REGION
an interim list of taxa to monitor in fishery bycatch in the Ross Sea as part of its 2008 benthic ... considerations such as organism mobility, community diversity, endemism, taxonomic resolution and presence in ... with FAO guidelines are identified as vulnerable to bottom longline fishing activities in the Ross Sea ... TAXONOMIC GROUPS AS VULNERABLE TO BOTTOM LONGLINE FISHING GEAR IN THE ROSS SEA REGION Approval: Approved ...
Meeting Document : WS-VME-09/08 : Author(s): Bowden, D.A., Parker, S.J.
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Environmental gradients of the Antarctic krill (Euphausia superba Dana) in the whole of the Antarctic Ocean
, Euphausia superba DANA, and its environmental gradients in the summer season were considered. In order to ... temperature from the surface to 200m in depth Z. As the results, the area of the high concentration of E ... . superba coincided with the area of low values of Q 200 chiefly falling in the range from 0°C to –1.5°C ... gradients of the Antarctic krill (Euphausia superba Dana) in the whole of the Antarctic Ocean Approval ...
Meeting Document : WG-KRILL-93/29 : Author(s): M. Naganobu and Y. Komaki (Japan)
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Contributions to the biology of cephalopods in Prydz Bay, Antarctica - a preliminary report
and benthic fauna in Prydz Bay, Antarctica (Indian Ocean Sector) in January to March, 1991. A total of ... bottom near the shelf edge at the depth of 400- 600 m. No distinctive pattern in diel vertical movement ... was found for any of the species captured. Evidence suggests the existence of ontogenetic descent in ... in Prydz Bay, Antarctica- a preliminary report Approval: Approved ...
Meeting Document : SC-CAMLR-X/BG/09 : Author(s): Delegation of Australia
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Diagnostic plots of stock assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15
Abstract: We provide extensive diagnostic plots for models R1 and R2 for Antarctic toothfish in ... their main diagnostics are described in Mormede et al. (2015). The CASAL files for models R1 and R2 were ... provided to the CCAMLR Secretariat as a zip file. In this paper we present the results for first model R1 ... in Mormede et al (2015) including process error weightings and the MPD objective function components ...
Meeting Document : WG-FSA-15/39 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons
tooth-fish in Subdivision 48.3 during 1986-199 1 is presented. The fishery was mainly carried out in ... catch per effort estimates for 1986-99 were standardize. The fishery efficiency in 1986-95 was ... approximately similar, while in 1996-99 it decreased sharply. It is shown that significance of such factors as a ... of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons ...
Meeting Document : WG-FSA-00/33 : Author(s): P. Gasiukov (Russia) and V. Bibik (Ukraine)