Search results
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Updated species profile for Antarctic toothfish (Dissostichus mawsoni)
that this report form the basis of a species profile of D. mawsoni as requested at the 2009 CCAMLR meeting (SC ... the basis of a species profile of D. mawsoni as requested at the 2009 CCAMLR meeting (SC-CAMLR XXVIII). ...
Meeting Document : WG-FSA-10/24 : Author(s): S.M. Hanchet (New Zealand)
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A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
to that request. We present the results of pairwise comparisons between age estimations using otoliths ... Paper Title: A comparison between otoliths and scales for use in estimating the age of ... understanding the population dynamics and productivity of a fish stock. The use of scales to estimate age can ... result in large errors in age data for long-lived species, usually due to compression of scale circuli ... whose age has been estimated using both scales and otoliths. We estimated the age of D. eleginoides ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Author(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
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Flexible foraging strategies of gentoo penguins help buffer the impacts of inter-annual changes in prey availability
foraging behaviors among colonies; we expected that they might exhibit similar variability over time, at a ... . We examined inter-annual changes in the foraging strategies and diet of gentoo penguins in the South ... , and fish the secondary, though the importance of these items varied among years. Diving behavior also ... (USA) Title: Flexible foraging strategies of gentoo penguins help buffer the impacts of inter-annual ...
Meeting Document : WG-EMM-08/50 : Author(s): A.K. Miller and W.Z. Trivelpiece (USA)
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Seabird mortality and the Falkland Islands trawling fleet
the warp cable, while feeding on factory discharge at the stern of the vessel. An unknown proportion ... melanophris), were killed by finfish trawlers during this period. Significant levels of mortality were also ... recorded on the Patagonian Shelf, north of the Islands. Birds were killed after being dragged underwater by ... of these birds become impaled on a splice in the cable, which was situated on average around 50-100m ...
Meeting Document : WG-FSA-03/91 : Author(s): B.J. Sullivan, T.A. Reid, L. Bugoni and A.D. Black (United Kingdom)
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Research plan for toothfish in Division 58.4.4 b by Shinsei maru No. 3 in 2015/16
Abstract: In this document, we revise stock status assessments of D. eleginoides in research ... and CASAL OB_1b model (vulnerable biomass in 2014), respectively. The stock sizes of D. eleginoides in ... block 58.4.4b_2 is estimated at 648 tonnes only by using CPUE method, as the catch and tagging data in ... sample size of 60 tonnes in order to further strengthen the stock assessments in the area. Author(s ...
Meeting Document : WG-SAM-15/13 : Author(s): Delegation of Japan
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Updated background paper (2018) on the Domain 1 MPA. Part A: Domain 1 MPA Model
Abstract: The present paper reflects on a series of documents, comments and suggestions made ... and Chile in 2017 at CCAMLR XXXVI. It also includes the suggestions and reviews (WG-EMM, Buenos Aires ... the meetings detailed above, and includes new information about the identification of krill areas ... changes included since the preliminary proposal of the D1MPA model are discussed in PART B. Author(s ...
Meeting Document : SC-CAMLR-XXXVII/BG/07 : Author(s): Delegations of Argentina and Chile
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
Paper Title: Characteristics of seasonal variation in diurnal vertical migration and aggregation ... of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data Abstract ... / Description: Seasonal variation in the diurnal vertical migration and aggregation of Antarctic krill ... ) was highest during the day and lowest at night in autumn and winter in each area, but lower during the ... at night (Figure 2). The pattern of diurnal change in average trawling depth in SG was different ... from that of the other two areas, being deepest during morning twilight and shallowest at dusk from ... (2005): 163–172 163 CHARACTERISTICS OF SEASONAL VARIATION IN DIURNAL VERTICAL MIGRATION AND ... AGGREGATION OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) IN THE SCOTIA SEA, USING JAPANESE FISHERY DATA K. Taki ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Author(s): Taki, K., T. Hayashi and M. Naganobu
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A study on calibration for commercial echosounder using bottom backscattering strength in Antarctic
fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method of ... calibration was to analyze the difference between the bottom backscattering strength of the commercial ... echosounder (i.e. ES70) and the scientific echosounder (i.e. EK60) at some transects designated by CCAMLR ... , was examined to verify the calibration result. The analysis result confirmed the possibility of ...
Meeting Document : SG-ASAM-17/P01 : Author(s): S.-G. Choi, H. Lee, K. Lee and J. Lee
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INTERANNUAL SPATIAL VARIABILITY OF KRILL (EUPHAUSIA SUPERBA) INFLUENCES SEABIRD FORAGING BEHAVIOR NEAR ELEPHANT ISLAND, ANTARCTICA
Abstract: We investigate the influence of krill (principally Euphausia superba) patchiness on the ... foraging distributions of seabirds to understand how variation in krill influences patch dynamics between ... krill and birds. At sea surveys were conducted near Elephant Island, Antarctica for three years (2004 ... -transect surveys were used to map seabirds, and a combination of acoustic and net surveys was used to map ...
Meeting Document : WG-EMM-08/P12 : Author(s): J.A. Santora, C.S. Reiss, A.M. Cossio and R.R. Veit
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Recommendation to commence discussions on a way to plan and organise the work of the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR)
process at CCAMLR XXXV. Author(s): Delegation of Australia Title: Recommendation to commence discussions ... Abstract: In recent years, there has been an increase in the number and complexity of issues that ... approaches to give adequate attention to issues, CCAMLR has found it a challenge to progress many of these ... ways to more effectively plan and organise the work of the Commission. Australia proposes that the ...
Meeting Document : CCAMLR-XXXIV/18 : Author(s): Delegation of Australia