Résultats de la recherche
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Killer whale Orcinus orca and sperm whale Physeter macrocephalus interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
24% of hauling observations. Killer whales, the second most sighted, occurred at 5% of haul ... longline fishing operations were recorded by CCAMLR (Commission for the Conservation of Antarctic Marine ... Living Resources) observers between 2000 and 2002 at South Georgia (Subarea 48.3) in the Southeast ... deployed in depths of 300 to 2000m, concentrated along the 1000m contour. Sperm whales were the most ...
Meeting Document : WG-FSA-03/27 : Auteur(s): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)
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Oil, paint, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1997/98
fishing gear associated with seabirds at South Georgia. In this, the fifth year of standardised recording ... Abstract: This report describes and quantifies the occurrence of oil, paint, marine debris and ... , a marked increase in the quantity of plastic debris associated with seabirds was evident; quantities ... of fishing gear remained within the levels of previous years for all species (although the number of ...
Meeting Document : SC-CAMLR-XVII/BG/10 : Auteur(s): Delegation of the United Kingdom
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Oiled penguins observed at Bird Island, South Georgia, 1992/1993
Abstract: In the first observation of oiled seabirds at Bird Island, South Georgia since the ... 1993. Author(s): Delegation of United Kingdom Title: Oiled penguins observed at Bird Island, South ... within 20nm of the Willis Islands (5km west of Bird Island) from early July, are the most likely source ... of the oil. Large concentrations of penguins were seen in this area by a US research cruise in June ...
Meeting Document : SC-CAMLR-XII/BG/15 : Auteur(s): Delegation of United Kingdom
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Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004
were collected in seastate 6 with winds up to 30 knots and swells of approximately 2.5 m at survey ... determined from the length distribution of krill sampled from fur seal scats at Bird Island (mean krill ... Islands and off the Barff Peninsula, South Georgia, from a 59 foot yacht in January 2004. The purpose of ... speeds of up to 7 knots. Echo intensity data were scaled to krill density using a target strength ...
Meeting Document : WG-EMM-04/35 : Auteur(s): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)
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Monitoring krill larvae at the Weddell-Scotia confluence
detected at the Weddell Scotia Confluence due to the presence of upwelling of larvae completing their ... Abstract: Large concentrations of early (Calyptopes I to Furcilia III) larvae are consistently ... developmental ascent. A number of quantitative variables reflect this phenomenon. As the position of the ... to establish a monitoring programme aimed to evaluate the status of adult populations and recruitment ...
Meeting Document : WG-EMM-10/20 : Auteur(s): E. Marschoff, N.S. Alescio, D. Gallotti and G. Donini (Argentina)
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Pinniped research at Cape Shirreff, Livingston Island, Antarctica, 2000–2001
Abstract: The long-term objective of the U.S. AMLR field research program is to describe the ... year on-land studies of predator foraging ecology and reproductive success have been coordinated with ... studies have taken place at Cape Shirreff, Livingston Island. This report summarizes the pinniped portion ... of predator studies for the 2000/01 austral summer. Author(s): M.E. Goebel, B.W. Parker, A.R. Banks ...
Meeting Document : WG-EMM-01/43 : Auteur(s): M.E. Goebel, B.W. Parker, A.R. Banks, D.P. Costa and R.S. Holt (USA)
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Determining toothfish otolith structure using oxytetracycline at South Georgia – a preliminary report
at South Georgia and Shag Rocks early in 2000. A total of 2486 have been tagged and released during ... trawl surveys, experimental pot fishing and longline fishing. Some of the fish tagged on longliners in ... otoliths of some of these chemically marked recaptures of the 2003 season were examined and the preliminary ... were also recaptured. From recaptures of chemically marked fish our study seems to indicate that the ...
Meeting Document : WG-FSA-03/80 : Auteur(s): M.G. Purves, M. Belchier, D.J. Agnew, G. Moreno and T.R. Marlow (United Kingdom)
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Proposal for further trials aimed at reducing Macrourus spp. by catch on autoliners targeting D. eleginoides with longlines around South Georgia
. All systems will have sink rates of at least 0.3 m.s-1. Comments on the experimental protocol are ... will apply. Author(s): Delegation of the United Kingdom Title: Proposal for further trials aimed at ... Abstract: IW longlines are effective in reducing the bycatch of birds in toothfish fisheries, but ... by putting the line closer to the seabed they increase the bycatch of macrourids and rajids ...
Meeting Document : WG-FSA-07/30 : Auteur(s): Delegation of the United Kingdom
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A proposal methodology to assess the Patagonian toothfish stock abundance at CCAMLR Subarea 48.3 using ASPM
Abstract: The ASPM is an integrated modeling technique used in stock assessment of different D ... indexes. Last results obtained from ASPM model used to assess the D. eleginoides biomass at CCAMLR Subarea ... /73). In this paper the methodology and assumptions for the 2006 TOP assessment at CCAMLR Subarea 48.3 ... methodology to assess the Patagonian toothfish stock abundance at CCAMLR Subarea 48.3 using ASPM Approval ...
Meeting Document : WG-FSA-06/59 : Auteur(s): O.C. Wöhler and P.A. Martínez (Argentina)
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A Proposal for a new Antarctic Specially Protected Area (ASPA) at Inexpressible Island and Seaview Bay, Ross Sea
proposal for the designation of a new Antarctic Specially Protected Area (ASPA) at Inexpressible Island and ... Abstract: China, Italy and Republic of Korea submitted to the next coming CEP XXII- ATCM XLII a ... paper, in accordance with the requirements of Annex V to the Protocol on Environmental Protection to the ... Antarctic Treaty and the Revised Guide to the Preparation of Management Plans for Antarctic Specially ...
Meeting Document : WG-EMM-2019/40 : Auteur(s): Delegations of China, Italy and the Republic of Korea