Resultados de la búsqueda
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Plastic ingestion by petrels breeding in Antarctica
chicks of Wilson’s Storm Petrels that had died before fledging. Few or no plastics were found in Snow ... Abstract: Plastic particles were found to be common pollutants in stomachs of Wilson’s Storm ... Petrels and Cape Petrels breeding on the Antarctic continent. Highest incidence of plastics was found in ... the Antarctic, and that relatively few plastics are available in Antarctic waters. Possible hazards of ...
Meeting Document : CCAMLR-VIII/BG/09 : Autor(es): J.A. van Franeker (Netherlands) and P.J. Bell (Australia)
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Krill population dynamics at South Georgia: implications for ecosystem-based fisheries management
from surveys conducted in the early, middle and late period of the summers of 2001 to 2005, together ... biomass. Krill abundance was highest during the middle of the summer in 3 years and in the late period in ... Abstract: The South Georgia region supports a large biomass of krill that is subject to high ... interannual variability. The apparent lack of a locally self-maintaining krill population at South Georgia ...
Meeting Document : WG-EMM-10/P08 : Autor(es): K. Reid, J.L. Watkins, E.J. Murphy, P.N. Trathan, S. Fielding and P. Enderlein
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Diving pattern and performance in nonbreeding gentoo penguins (Pygoscelis papua) during winter
diurnal with 98% of foraging trips completed during the same day. Foraging-trip frequency was 0.8/day ... , trip duration was 6-8 h, and birds spent 51-62% of the foraging trip diving. Dive depth and duration ... similar to that of chick-rearing birds. The only major differences are that foraging-trip frequency is 20 ... organization during the foraging trip) in relation to diet in nonbreeding Gentoo Penguins (Pygoscelis papua ...
Meeting Document : WG-CEMP-92/37 : Autor(es): T.D. Williams (United Kingdom), A. Kato (Japan), J.P. Croxall (United Kingdom), Y. Naito (Japan), D.R. Briggs, S. Rodwell and T.R. Barton (United Kingdom)
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Antarctic fur seal predator performance indices for the South Shetland Islands 1987/88–2002/03
(female foraging trip duration) and C2b (pup growth rates). Measures of female foraging trip duration, pup ... foraging trip durations (7.09d ±0.19), below average frequency of krill in fur seal diet (79.6% ±7.7 ... at Cape Shirreff, Livingston Island measured female foraging trip duration, foraging range, diet (3 ... ), pup growth rates (3), pup mortality, timing of reproduction, adult female survival and natality ...
Meeting Document : WG-EMM-03/54 : Autor(es): M.E. Goebel (USA)
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Commercial krill fisheries in the Antarctic 1973–1988
Abstract: STATLANT data reported to the Commission for the Conservation of Antarctic Marine ... (Euphausia superba) fishery between 1972/73 and 1987/88. With time the annual krill catch rose gradually to a ... peak of some 500 000t in 1981/82 before droping to a low level in 1983/84 and stabilising at about 400 ... 000t thereafter. Indications are that in terms of both catch and effort the Soviet and Japanese ...
Meeting Document : SC-CAMLR-VIII/BG/11 : Autor(es): Delegation of South Africa
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Developments in the CCAMLR otolith program
listing the number of otoliths collected on each trip by a vessel flagged to that Member and the observer ... responsible for collecting the otoliths on that trip. Members were asked to provide information on the storage ... location and number of otoliths aged. Responses were received from 9 Members and no amendments were made to ... the numbers of otoliths collected. Currently 1405 otoliths that were received from the UK are stored ...
Meeting Document : WG-FSA-11/07 : Autor(es): Secretariat
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Preliminary data on the foraging habitat use by gentoo penguin in Byers Peninsula (Livingston Island) and chinstrap penguin in Deception Island, South Shetlands
Abstract: Data of basic parameters of foraging behaviour (foraging trip duration, total foraging ... trip distance, and maximum distance from the colony) and of foraging range for Gentoo penguin and ...
Meeting Document : WG-EMM-18/40 : Autor(es): A. Barbosa, J. Benzal, J. Belliure and J. Masello
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THE RESEARCH PROJECT TO DIGITIZE HISTORICAL SOVIET KRILL FISHING EXPEDITION DATA
expeditions in Southern Ocean between the years of 1972-1992. The main purpose of these expeditions was to ... commercial expedition’s data has been started in Ukraine at the Southern Research Institute of Marine ... Fisheries and Oceanography. This valuable set of krill data was collected during Soviet Union krill-fishing ... collect data and samples and to create an estimation of the commercial exploitation of the Antarctic krill ...
Meeting Document : WG-EMM-09/30 : Autor(es): L. Pshenichnov and G. Milinevsky (Ukraine)
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Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?
Abstract: A few years after krill (Euphausia superba) fishing had started in 1972/73, it became ... known that early life stages of Antarctic fish are associated with krill aggregations and are subject to ... by-catch in fisheries targeting krill. The species composition of fish by-catch in krill fisheries is ... 2000s made attempts to estimate the quantity of by-caught fish. They demonstrated that, on occasions ...
Meeting Document : WG-FSA-14/66 : Autor(es): K.-H. Kock (Germany) and C.D. Jones (USA)
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2006/07
Abstract: Our tenth season of seabird research at Cape Shirreff allowed us to assess trends in ... lowest population size in the 10 years of census data. The number of diet samples containing fish was the ... highest ever and comparable to the first six years of the study. Unlike 2005-06, 18% of the gentoo penguin ... been declining for the past seven years and is at its lowest size in the 10 years of study. Chinstrap ...
Meeting Document : WG-EMM-07/P1 : Autor(es): R. Orben, S. Chisholm, A. Miller and W.Z. Trivelpiece (USA)