Résultats de la recherche
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Representative length and age distributions from random stratified demersal fish surveys
Abstract: Two similar methods for preparing aggregate length frequency distributions from survey ... data are discussed. The Mackerel Icefish, Champsocephalus gunnari at South Georgia is used as an ...
Meeting Document : WG-FSA-91/19 : Auteur(s): G. Parkes (United Kingdom)
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Foraging behaviour of Antarctic fur seals during periods of contrasting prey abundance
Abstract: Published in Journal of Animal Ecology (1994) 63, 000-000 Author(s): I.L. Boyd, J.P.Y ...
Meeting Document : WG-CEMP-94/12 : Auteur(s): I.L. Boyd, J.P.Y. Arnould, T. Barton and J.P. Croxall (United Kingdom)
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Characteristics of oceanic structure in the waters around the South Shetland Islands of the Antarctic ocean between December 1990 and February 1991: outstanding coastal upwelling?
insular shelf. The following two processes were considered for the present intrusion. The first was the ... austral summer. In order to investigate seasonal changes in oceanic structure. two observations were put ... into operation In the same area after an interval of 40 days. The more characteristic change was ... for the phenomenon of the temperature rise is considered that the Warm Deep Water intruded over the ...
Meeting Document : WG-KRILL-92/24 : Auteur(s): M. Naganobu, T. Katayama, T. Ichii, H. Ishii and K. Nasu (Japan)
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Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins
natural predators. Here, we report a novel method for assessing prey availability to an important krill ... Abstract: Predator-prey interactions play an important role in determining the dynamics of ... the surface distribution of penguins and krill distributed in the 30- 40 m depth layer; no spatial ...
Meeting Document : WG-Joint-94/12 : Auteur(s): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)
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Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
for identifying growth zones. The krill was collected at the South Orkney Islands during January and ... February 2015, and varied between 30 and 53 mm in total body length. Up to six growth zones were identified ... growth zones can be definitely established as an indicator of age. The detection of growth zones in the ... Antarctic krill will be an important contribution to the understanding of the biology of the species if the ...
Meeting Document : WG-EMM-16/P02 : Auteur(s): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt
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Incorporating climate change into CCAMLR’s decisionmaking processes
submission of new or revised legislation or regulations when an issue has relevance to a broad spectrum of ... appended to Resolution 30/XXVIII. Author(s): Submitted by ASOC Title: Incorporating climate change into ... Document Release Consent: Yes Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-XXXIII/BG/21 : Auteur(s): Submitted by ASOC
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Long-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica
largest aggregations of all top predators (seabirds and cetaceans) were recorded mainly in two regions ... -bellied Storm Petrel. Antarctic Prion was the dominant species within the 5 years whereas Cape petrel ... encounter rate in the five years (0.29 ± 1.57 whale/nautical mile), followed by Humpback whale (0.09 ± 0.54 ...
Meeting Document : WG-EMM-14/06 Rev. 1 : Auteur(s): J.L. Orgeira, M. Alderete, Y.G. Jiménez and J.C. González (Argentina)
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REVISION DES PRESCRIPTIONS TECHNIQUES ENCADRANT LA PECHE A LA LEGINE AFIN DE LIMITER LES PRISES ACCESSOIRES
) are based on objective criteria for assessing the vessels’ performance. These criteria comprise all ... mortality, initiatives for preserving the environment and the capacity to fish its own quota. The results ... regarding the accidental mortality represent one of the main factors for assessing fishing vessels. In the ... species. The French Austral and Antarctic Territories added to the technical measures for the Patagonian ...
Meeting Document : SC-CAMLR-XXX/BG/10 : Auteur(s): Delegation of France
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 1996 winter and 1996/97 pup-rearing season
Georgia for the sixth consecutive winter (1996) and eighth consecutive summer (1996/97) are reported. In ... usual most (88%) entanglements were of juveniles; however one-third were of females, an unusually high ... net (22%) commensurately reduced and packaging bands (33%) similar to last year. The relatively low ... entangling materials, with the abundance of string and fishing net reversed from most previous years. In ...
Meeting Document : SC-CAMLR-XVI/BG/06 : Auteur(s): Delegation of the United Kingdom
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Analysis of krill fishery operations in Subarea 48.1: spatial-time distribution of CPUE and fishing efforts
values of standardized CPUE indices in the Subarea 48.1 for the last 25 years. We continue to investigate ... krill fishery data for understanding reasons of this ‘high CPUE’ regime. The authors present the ... per haul, fishing efforts (hours fished) and vessel locations for traditional and continuous fishing ... become the reason for the changes in sea ice locations and krill abundance and distribution affecting ...
Meeting Document : WG-EMM-14/21 : Auteur(s): S. Kasatkina and P. Gasyukov (Russia)