Search results
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Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes
also lower than last year. We hipothesize that large scale fluctuations in physical oceanographic ... be changing krill abundance and distribution, in turn affecting local predator reproductive ... following split season (1998/99), a further decrease in pup production, lower weights in pups, and ... considerable decrease in total population due to emigration to better foraging areas. Author(s): R. Hucke ...
Meeting Document : WG-EMM-98/17 : Author(s): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLANDS (HIMI) BENTHIC INVERTEBRATES: A GUIDE FOR SCIENTIFIC OBSERVERS ABOARD FISHING VESSELS
specific reference material for the identification of benthic invertebrates in areas specific to which ... observer identifications and also to assist in the identification of vulnerable areas, the Scientific ... : paragraph 4.190). In response to this recommendation Australia has developed the ‘Field identification guide ... of invertebrate by-catch when operating in the HIMI region. The Australian Antarctic Division has now ...
Meeting Document : SC-CAMLR-XXVIII/BG/12 : Author(s): Delegation of Australia
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INGESTION OF FISHING GEAR AND ENTANGLEMENTS OF SEABIRDS: IMPLICATIONS FOR MONITORING AND MANAGEMENT
legislation prohibits discarding of gear (hooks and line) in offal, and compliance is often unknown. Analysis ... of a 16 year dataset collected at Bird Island indicated that the amount of gear found in association ... with wandering albatross colonies was an order of magnitude greater than in any other species ... higher in giant petrels and wandering albatross than black-browed albatross, and no grey-headed albatross ...
Meeting Document : WG-IMAF-09/10 : Author(s): R.A. Phillips, C. Ridley, N. Harrison (United Kindom), K. Reid (Secretariat), G.N. Tuck (Australia) and P.J.A. Pugh (United Kingdom)
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLAND (HIMI) BENTHIC INVERTEBRATES
specific reference material for the identification of benthic invertebrates in areas specific to which ... observer identifications and also to assist in the identification of vulnerable areas, the Scientific ... : paragraph 4.190). In response to this recommendation Australia has developed the “Field identification guide ... by-catch when operating in the HIMI region. Based on available data, this publication will include ...
Meeting Document : WG-FSA-08/59 : Author(s): T. Hibberd and K. Moore (Australia)
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THE ROSS SEA ANTARCTIC TOOTHFISH FISHERY: REVIEW OF THE 3-YEAR EXPERIMENT AND DEVELOPMENT OF MEDIUM-TERM RESEARCH OBJECTIVES AND AN OPERATIONAL FRAMEWORK FOR THE FISHERY
fishery over the next 5–7 years in relation to Article II of the Convention, and to develop an operational ... in relation to Article II of the Convention. As part of this process we identify uncertainties in our ... example, uncertainty in the biological parameters and stock assessment of Antarctic toothfish, uncertainty ... in its ecological relationships with predators and prey, and uncertainty over other ecosystem effects ...
Meeting Document : WG-FSA-08/50 : Author(s): Delegation of New Zealand
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A comparison of Antarctic krill (Euphausia superba Dana) caught by nets and taken by macaroni penguins (Eudyptes chrysolophus Brandt): evidence for selection?
samples. The krill taken by the macaroni penguins differed significantly from those caught in the nets ... distributions that were statistically different from the original distribution of krill caught in nets on 76 out ... contained three times as many female as male krill, whereas krill caught in nets contained nearly equal ... proportions. The differences in size and maturity of krill taken by penguins are discussed in terms of ...
Meeting Document : WG-EMM-96/08 : Author(s): Croxall, J.P., Hill, H.J., Trathan, P.N., Watkins, J.L.
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Algunos aspectos biologicos relevantes a la explotacion de la merluza negra (Dissostichus eleginoides Smitt, 1898) en la zona economica exclusiva argentina y sector oceanico adyacente
eleginoides) in the Argentine Sea, and atempts some explanation by a trophic analysis of such distribution ... cm, and most of the adult sizes (>80cm) were found in waters at depths greater than 900 meters ... analysed data in different areas including CCAMLR area, longline or trawl operation fishing is recommended ... starting from 900 meters depths, in the southern area, South of 54°S and 1000 m in 38°S to 48°S and to ...
Meeting Document : WG-FSA-97/49 : Author(s): Almeyda, S.M., Prenski, L.B.
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Preliminary study on the breedings of chinstrap and gentoo penguins at Barton Peninsula, King George Island
Abstract: A preliminary survey on 2 species of penguins, chinstrap and gentoo was made in the ... selected from several locations scattered in the colony. The nests were visited by 2-3 day interval and the ... change in the nest content were followed. Chicks were hatched out at 50% of the monitored nests on 18 ... chicks entered late creche stage, they were banded to determine the survival and return rates in the ...
Meeting Document : WG-CEMP-93/23 : Author(s): H.-C. Shin and S. Kim (Republic of Korea)
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Adult male Antarctic fur seals: tourists, trouble makers or marine ecosystem sentinels?
Abstract: Resource competition often results in mechanisms that ameliorate its effects, typically ... concern that any increase in catch levels should not result in long-lasting or irreparable damage to the ... breeding Chinstrap penguins in the Bransfield Strait at a time when fishing effort is minimal, as well as ... considered in understanding the functional response of penguins and suggest that male AFS could be a useful ...
Meeting Document : WG-EMM-2019/49 : Author(s): A. Lowther, C. Lydersen and K. Kovacs
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Scientific research notifications (Conservation Measure 24-01)
Abstract: This paper summarises recent, fishery-related scientific research notified in ... in 2010/11, and five notifications have been received to date for research in 2011/12. Author(s ...
Meeting Document : WG-FSA-11/09 : Author(s): Secretariat