Résultats de la recherche
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Interannual variation in the diet of the Antarctic prion Pachyptila desolata at South Georgia
copepods, especially Rhincalanus gigas and Calanoides acutus, in two years of low krill abundance ... suffer much reduced reproductive performance in years of reduced krill availability. Author(s): Croxall ... regurgitated by adult birds during five breeding seasons at Bird Island, South Georgia. In all years the diet ... . Antarctic krill Euphausia superba was the dominant prey item in three years and was replaced by calanoid ...
Meeting Document : WG-EMM-97/12 : Auteur(s): Croxall, J.P., Edwards, T.M., Reid, K.
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Myctophids in the diet of Antarctic predators
- seven, Bathydraconidae- two and Rajidae- one), 18 species of birds (penguins- seven, albatrosses- four ... , petrels- five, prions- one and cormorants- one) and two species of seals. Myctophids in the diet of ... found in the diet of one species of squid, 18 species of fish (Nototheniidae- eight, Channichthyidae ... predatory species are represented by 16 species of genera Krefftichthys (one species), Protomyctophum (four ... fish (Nototheniidae - eight, Channichthyidae - seven, Bathydraconidae - two and Rajidae - one), 18 ... fish (eight Nototheniidae, seven Channichthyidae, two Bathydraconidae and one Rajidae), 18 species of ... birds (penguins - seven, albatrosses - four, petrels - five, prions - one and cormorants - one) and two ... of one species of squid, 18 species of fish (eight of Nototheniidae, seven - Channichthyidae, two ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Auteur(s): Sabourenkov, E.
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Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)
assume the common origin of the western and Shag Rock groupings. C.gunnari of two-three years old (at the ... similarity between the eastern and western groupings and the differences between those two and Shag Rocks ... South Georgia and at Shag Rocks are different. The length-age structure of C.gunnari groupings ... length and older than 6-7 years (10-11 years in the South Georgia area) and considerably lower number of ...
Meeting Document : WG-FSA-04/40 : Auteur(s): Zh.A. Frolkina and I.A. Trunov (Russia)
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Statistical problems in krill stock hydroacoustic assessments
: Two primary issues are at question for hydroacoustic assessments of krill. The first is the methods ... issue of patchy years vs more even distribution would seem to have more impact on ecosystem management ... distributed. Consider as a test case that we have two surveys in two consecutive years giving identical ... HYDROACOUSTIC ASSESSMENTS M.C. Macaulay Abstract Two primary issues are at question for hydroacoustic ... hydroacoustic survey (one sample per second), there sometimes is a lack of independence between samples due to ... zooplankton and fish) may swim fast enough in a single day to traverse from one transect to another and hence ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Auteur(s): Macaulay, M.C.
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Characterisation of skate catches in the Ross Sea region
in the Ross Sea Region, including the data collected in the two “Year of the Skate” fishing seasons ... of the two species, starry skates generally being found deeper and more to the west than Eaton cf ... the “Years of the Skate”, a total of about 3300 starry skates and 700 Eaton cf. skates were tagged and ... T-bar tags were similar to those calculated for toothfish. The “Years of the Skate” have been ...
Meeting Document : WG-FSA-10/25 : Auteur(s): S. Mormede and A. Dunn (New Zealand)
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Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations
yield component and an unsustainable “windfall” component associated with a one-time reduction in stock ... biomass. The size of the windfall is expressed as being equivalent to a number of years of sustainable ... sum of the number of years in the catch series and this windfall ratio. Input information includes the ... sum of catches and associated number of years, the relative reduction in biomass during that period ...
Meeting Document : WG-SAM-11/P3 : Auteur(s): A.D. McCall
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Beach debris survey – Main Bay, Bird Island, South Georgia 1996/97
revealed a total of 289 items, 60 % less than in the two previous years. Of the total number of items, 62 ... use. The reduction in man-made debris compared to the two previous years may reflect a reduction in ... Abstract: The seventh year of surveys of beached man-made debris at Bird Island, South Georgia ... % (n = 180) were collected during the summer, only the second year on record when then summer ...
Meeting Document : CCAMLR-XVII/BG/7 : Auteur(s): Delegation of the United Kingdom
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Some aspects of repeated operation on the same patch in Japanese krill fishery
Abstract: Data of repeated operation recorded on Japanese log book were examined the validity of ... difficulties were thought in identification of krill patch(es). Author(s): T. Ichii (Japan) Title: Some ...
Meeting Document : WS-KCPUE-85/06 : Auteur(s): T. Ichii (Japan)
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Review of the 2005 budget, draft 2006 budget and forecast budget for 2007
result in some one-off expenditures which cannot be quantified accurately at the time of preparing this ... will offset some of the additional salary cost. The balance of the increase can be met from the surplus ... for that year. With the C-VMS now a key CCAMLR activity, the Commission may wish to revisit the ... respect of the current tasks to be undertaken by the Secretariat. Author(s): Executive Secretary Title ...
Meeting Document : CCAMLR-XXIV/04 : Auteur(s): Executive Secretary
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Plan of research program of the Ukraine in Subarea 88.3 in 2019
in 2005, Russia in 2011 and 2012 and the Republic of Korea in 2017 and 2018. It was noted that no ... 88.3 within 3 years. Author(s): Delegation of Ukraine Title: Plan of research program of the Ukraine ...
Meeting Document : WG-SAM-18/12 : Auteur(s): Delegation of Ukraine