Résultats de la recherche
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e-sc-xxxvi-a06.pdf
... by subarea and month in the 2016/17 season indicated that fishing occurred later and with fewer ... recent years with a contingent delay in the movement of fishing operations to Subarea 48.1. This ... physical variables with no clear relationships. Comparison of the data for the recent three years with the ... , with krill or fish assuming the dominant proportion in most years. Despite mixed diets, reproductive
application/pdf attached to:WG-EMM-17Meeting Report : WG-EMM-17
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Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)
seasonally on Antarctic toothfish (Dissostichus mawsoni) from mid-December to early April during the 2000/01 ... with the southern group (in which the distribution was multimodal), showed a consistent and ... essentially unimodal with the average value for all years occurring at about 141 cm TL for males and 152 cm ... toothfish (Dissostichus mawsoni) from mid-December to early April during the 2000/01 to 2004/05 fishing ... distribution at a consistent peak over all sampling seasons in comparison with the southern group (in which ... . The girth meas- urement was made by encircling the body imme- diately behind the pectoral fins with ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Auteur(s): Fenaughty, J.M
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database
, the subareas with the highest proportion of albatross and petrel breeding distribution were Subareas ... petrel breeding ranges extend across the majority of the Convention Area. Subareas with the lowest ... interactions with longline fisheries. Ibis, 140 (3): 446–457. Catry, P., R.A. Phillips, B. Phalan, J.R.D ... southern giant petrel, white-chinned petrel and short- tailed shearwater. Overall, the subareas with the ... extend across the majority of the Convention Area. Subareas with the lowest proportion of breeding ... breeding pop- ulations are well documented, with 19 of 21 species now globally threatened and the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Auteur(s): BirdLife International (prepared by C. Small and F. Taylor)
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Determining toothfish otolith structure using oxytetracycline at South Georgia – a preliminary report
at South Georgia and Shag Rocks early in 2000. A total of 2486 have been tagged and released during ... 2002 were injected with oxytetracycline (OTC) to mark the otoliths for age validation purposes. The ... results are presented here. Two fish marked with strontium-chloride (SrCl2) during the 2002 trawl survey ...
Meeting Document : WG-FSA-03/80 : Auteur(s): M.G. Purves, M. Belchier, D.J. Agnew, G. Moreno and T.R. Marlow (United Kingdom)
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Variability of krill stock composition and distribution in the vicinity of Elephant Island during AMLR investigations 1988-1992
distributional patterns during each year indicate that the older age classes were associated with oceanic/Drake ... Passage waters while younger classes were associated with water masses to the south. Between-year ... five year period indicates strong recruitment from the 1987/88 and 1990/91 year classes and poor ... recruitment from the 1989/90 and 1990/91 year classes. Year class success may be related to the abundance of ...
Meeting Document : WG-KRILL-92/12 : Auteur(s): V. Loeb (USA) and V. Siegel (Germany)
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Progress report of the CEMP Special Fund project to develop an image processing software tool for analysis of camera network monitoring data
initiated with support from the CEMP Fund in 2015/16. A software programmer has been engaged and is ... post-processing code according to specifications developed in consultation with the CCAMLR camera user ... community. We expect to complete a package of software and post-processing code by early 2018. Author(s): C ...
Meeting Document : WG-EMM-17/10 : Auteur(s): C. Southwell, L. Emmerson, K. Newbery, J. Hinke, G. Watters, M. Santos, G. Milinevsky, M. Korczak-Abshire, N. Ratcliffe and P. Trathan
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Food consumption estimates of southern elephant seal females during their post-breeding aquatic phase at South Shetland Islands
energy lost during lactation. Neither the mass nor the energy lost during lactation were related to those ...
Meeting Document : WG-EMM-04/33 : Auteur(s): A.R. Carlini, G.A. Daneri, M.E.I. Márquez (Argentina), H. Bornemann (Germany), H. Panarello, R. Casaux (Argentina), S. Ramdohr and J. Plötz (Germany)
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Towards a validation of ageing in mackerel icefish (Champsocephalus gunnari) – can we estimate age more accurately?
older than 3 or 4 years were aged. These differences could not be reconciled at the end of the exchange ...
Meeting Document : WG-FSA-05/23 : Auteur(s): K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
techniques, from 1991 back to 1977. The predicted age structure, dominated in recent years by the 1987 year ... -class (1 year olds in 1988), was quite robust, despite the use of various combinations of survey and ... proportion of 5 year olds, which was not observed during the survey on Falklands Protector in January 1992 ... . Breakdown in the credibility of the VPA results in most recent years is attributed to the invalid assumption ... projected forwards 2 years, with the 1 year olds being replaced by a simulated value, firstly with no ... absence of this year class, the TAC would be extracted from the younger, less abundant year classes, with ... year old fish, with 5 year olds comprising less than 5% of the fishable population biomass. Assuming ... 1990/91 was again dominated by 4 year olds, as with all of the Laurec-Shepherd tuned VP A runs. Age ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Auteur(s): Parkes, G.
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Preliminary results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014
the other strata, in particular close to Ross Island in the south and in the north-eastern side of ... that stratum. Further results will be provided at WG-FSA-14, including age data and comparison with ...
Meeting Document : WG-SAM-14/24 : Auteur(s): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)