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Foraging patterns in the Antarctic Shag Phalacrocorax bransfieldensis at Harmony Point, Antarctica
increasing energy requirements at the nests (i.e. as chicks grew older or at increasing number of chicks at ... buffer variable food abundance or energy requirements at the nests. The possibility of using the ... Abstract: During the 1995 and 1996 summer seasons the foraging patterns of the Antarctic Shag ... Phalacrocorax bransfieldensis were studied by direct observation on individuals breeding at Harmony Point ...
Meeting Document : WG-EMM-18/03 : Автор(ы): R. Casaux and M.L. Bertolin
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ADULT ANTARCTIC KRILL FEEDING AT ABYSSAL DEPTHS
bulk of the population of postlarval krill is typically confined to the top 150 m of the water column ... . Here, we report for the first time the existence of significant numbers of Antarctic krill feeding ... actively at abyssal depths in the Southern Ocean. Biological observations from the deepwater remotely ... operated vehicle Isis in the austral summer of 2006/07 have revealed the presence of adult krill (Euphausia ...
Meeting Document : WG-EMM-08/P01 : Автор(ы): A. Clarke and P.A. Tyler
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Potential interactions between wandering albatrosses and Dissostichus eleginoides fisheries at South Georgia
March through mid-May birds of both sexes spend most of their time at sea over the South Georgia ... Abstract: Breeding wandering albatrosses Diomedea exulans at South Georgia have a relatively low ... level of potential risk of interaction with Patagonian toothfish Dissostichus eleginoides longline ... fisheries at South Georgia between late November through February and between late May and October. From ...
Meeting Document : WG-FSA-95/43 : Автор(ы): Prince, P.A., Croxall, J.P.
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Galindez Island gentoo penguin (Pygoscelis papua) colonies at GAI CEMP site population behaviour/dynamics in the 2018/19 season
during 2018-19 season. The detailed observation of birds arrival, nesting, hatch and crèche has been ... provided in two colonies at GAI CEMP site at Galindez Island nearby the Vernadsky station. We inform on the ... results of visual survey of penguin population and penguin count. During the 2018/19 season biologist ... winterer at Vernadsky station at Galindez Island, provided continuous observations every day/each five days ...
Meeting Document : WG-EMM-2019/60 : Автор(ы): P. Khoetsky, A. Dzhulai, G. Milinevsky, I. Dykyy, E. Dykyi, I. Parnikoza and L. Pshenichnov
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CEMP cameras data validation experiment at the Galindez Island gentoo colonies
time-lapse cameras of the CEMP camera monitoring project of CCAMLR at Galindez Island gentoo colonies ... at the each of three test sites. Author(s): A. Dzhulay, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon ... Abstract: We inform on the results of the data validation experiment provided for pictures from ... . During the 2017-2018 season biologists winterers at Vernadsky station, situated at Galindez Island ...
Meeting Document : SC-CAMLR-XXXVII/BG/20 : Автор(ы): A. Dzhulay, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyy, L. Pshenichnov and A. Grytsai
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Foraging partitioning between giant petrels Macronectes spp. and its relationship with breeding population changes at Bird Island, South Georgia
species of giant petrels, Macronectes halli and M.giganteus, breeding sympatrically at Bird Island (South ... ref1ected in their recent population increase at South Georgia. Foraging areas of giant petrels overlapped ... Abstract: We tracked by satellite the foraging trips of males and females of the two sibling ... Georgia, Antarctica), during the incubation period (November-December). Size of the activity range as well ...
Meeting Document : WG-FSA-99/39 : Автор(ы): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
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A updated population status model for the Patagonian toothfish, Dissostichus eleginoides, at Kerguelen Islands (Division 58.5.1) using CASAL
Abstract: A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... , standardized CPUE of commercial fisheries, tag releases and recoveries by length bin, commercial catch-at ... integrated using the effective sample sizes calculated at the level of each haul. An iteratively estimated ... of fishing vessels (trawlers, longliners). The fishing zone for the longliners is divided into four ...
Meeting Document : WG-FSA-12/09 : Автор(ы): A. Rélot-Stirnemann (France)
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Oil, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia 1995/96
Abstract: In the third year of standardised recording of oil, fishing gear and marine debris at ... packaging band; another (uncut) band was found at a nest of a northern giant petrel. Parts of fishing gear ... albatrosses (one bird impaled with a long-line hook, another hook found at a nest) and wandering albatrosses ... hooks and lines regurgitated beside nests). Levels of plastic debris in fishing gear associated with ...
Meeting Document : SC-CAMLR-XV/BG/04 : Автор(ы): Delegation of the United Kingdom
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Problems in estimating population length at age from commercial catches, the Patagonian toothfish as an example
Abstract: Age based fishery population models require information on size at age of the fished ... commercial catches. This information does not necessarily reflect the size at age of the fished population ... example, a method is developed to estimate size at age of the population using information collected from ... population and the commercial catch. Age-length keys can be produced by standardised random sampling of the ...
Meeting Document : WG-FSA-01/17 : Автор(ы): I. Everson (United Kingdom)
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Krill length and age at maturity
calculate length and age at maturity for the Antarctic krill Euphausia superba. L50 values of 34.62 to 35.90 ... identical for krill. Comparisons with length at age data show that females mature in the third year of the ... later at a length between L50 = 43.33 and 43.79 mm. Length at maturity, and length at first spawning are ... age at maturity Approval: Approved ...
Meeting Document : WG-KRILL-93/40 : Автор(ы): V. Siegel (Germany) and V. Loeb (USA)
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