Résultats de la recherche
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Breeding biology and diet of pintado petrels Daption capense at Bouvetøya during the summer of 1996/97
success for the total 300 pairs of breeding Pintado Petrels at Nyrøysa was 59 %. Three study colonies were ... was 85 %. Rates of failure were higher during the chick stage than in the egg stage for both of these ... hatching 6 and 18 January respectively. The mean period for which chicks were permanently attended by ... chicks in the third study colony was similar to that recorded for other populations of Pintado Petrel, as ...
Meeting Document : WG-EMM-97/56 : Auteur(s): Isaksen, K., Huyser, O., Dyer, B.M., Cooper, J., Ryan, P.
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Bias in acoustic biomass estimates of Euphausia superba Dana to diel vertical migration
estimates of biomass distribution and abundance, a time-depth-density analysis was performed. Data for this ... for each hour as well as for three daily time periods; day, twilight and night; these data were ... function(TCF), for upwardly adjusting acoustic biomass estimates due to diel vertical migration. The TCF ...
Meeting Document : WG-KRILL-93/48 : Auteur(s): D.A. Demer and R.P. Hewitt (USA)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
maturity condition for Dissostichus eleginoides and D. mawsoni were investigated on Banzare Bank, using the ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former ... species. The mean total length (TL) of females was significantly larger than that of males for both ... slope for both species. Male D. mawsoni showed a significant correlation between depth and the TL with ...
Meeting Document : WG-FSA-10/47 : Auteur(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean, Antarctic
maturity condition for Dissostichus eleginoides and D. mawsoni were investigated on Banzare Bank, using the ... to the physical intolerance to the cooler temperature by the lack of antifreeze for the former ... species. The mean total length (TL) of females was significantly larger than that of males for both ... slope for both species. Male D. mawsoni showed a significant correlation between depth and the TL with ...
Meeting Document : WG-SAM-10/16 : Auteur(s): K. Taki, M. Kiyota, T. Ichii and T. Iwami (Japan)
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Results of scientific observation in Antarctic krill fishery in 2010/11: II. analysis of variability of krill size and fish by-catch
as variables of interest based on the scientific observer data for the 2010/2011 fishing season. Both ... WinBUGS with statistical software R. Although the posterior distribution adequately converged for the ... large in the sub-area effect and the interaction effect between month and sub-area. For the bycatch fish ... model, there is no obvious influence in biological process and fishery processes except for cruise ...
Meeting Document : WG-EMM-12/67 : Auteur(s): T. Okuda and M. Kiyota (Japan)
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Proposition portant création d'une aire marine protégée dans la région de la mer de Ross
Commission for the Conservation of Antarctic Marine Living Resources (Commission or CCAMLR) of a marine ... which the United States and New Zealand developed their original MPA scenarios for the Ross Sea Region ... United States appreciate the many comments received from other Members on proposals for a Ross Sea Region ... . 1 of 29 October 2012) Title: A proposal for the establishment of a Ross Sea Region Marine Protected ...
Meeting Document : CCAMLR-SM-II/04 : Auteur(s): Delegations of New Zealand and the USA (This paper introduces a revised version of the proposal contained in CCAMLR-XXXI/16 Rev. 1 of 29 October 2012)
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Extinction risk of Antarctic and sub-Antarctic colonies of Pygoscelid penguins under climate change context
environmental scenarios. The extinction risk was estimated for twelve colonies from environmentally contrasting ... reduction of carrying capacity is mediated by a decrease in food availability and appears as key factor for ... the persistence of these populations. Based on these results, probabilities for extinction and quasi ... Approved Document Release Consent: No Delegation responsibility for releasing documents: CCAMLR ...
Meeting Document : WG-EMM-2019/74 : Auteur(s): M. Huerta and S.A. Estay
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Managing ecosystem uncertainty: critical habitat and dietary overlap of top-predators in the Ross Sea
food web. The fisheries that we contemplate are those for Antarctic toothfish and the Antarctic minke ... habitats used for foraging. We also summarize data on diet and overlaps in foraging behavior among these ... because this affords them access to waters under sea ice, which persists in this region except for late ... important habitats. Even for colonies of these predators that are near the shelfbreak, their foraging ...
Meeting Document : WG-EMM-06/29 : Auteur(s): Testa, J.W., Stewart, B.S., Olmastroni, S., Lyver, P., Karl, B., Eastman, J., Barton, K., Ballard, G., Toniolo, V., Wilson, P., Ainley, D.
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Activity, seasonal site fidelity, and movements of Type-C killer whales between the Ross Sea, Antarctica and New Zealand
potential threats faced by, and capacity for resilience in, this top predator. Together with Weddell seals ... affected by the Ross Sea fishery for Antarctic toothfish, Dissostichus mawsoni, but critical knowledge gaps ... TCKW may use small-scale areas in this highly productive ecosystem intensely for a period of days to ... and extremely broad spatial scale of movement exhibited by TCKW have important implications for our ...
Meeting Document : WG-EMM-15/52 : Auteur(s): R. Eisert (New Zealand), G. Lauriano, S. Panigada (Italy), E.N. Ovsyanikova, I.N. Visser, P.H. Ensor, R.J.C. Currey, B.R. Sharp and M.H. Pinkerton (New Zealand)
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Analysis of the krill spatial distribution characteristics as the important factor in fishery management in Area 48 (report of the CCAMLR scholarship recipient)
Abstract: Analysis of the krill spatial distribution characteristics as the important factor for ... observation on board fishing vessels (including acoustic and biological observations) were analyzed for the ... .doc Approval: Approved Secretariat Workflow Status: Content Approved Delegation responsibility for ...
Meeting Document : WG-EMM-16/41 : Auteur(s): S.M. Kasatkina and A. Sytov