Résultats de la recherche
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Analysis of the by-catch of Channichthys rhinoceratus and Lepidonotothen squamifrons from the fisheries at Heard Island and the McDonald Islands (Division 58.5.2)
, approximately 20 t of C. rhinoceratus and 9 t of L. squamifrons were caught annually. The commercial and ... bycatch of the mackerel icefish fishery than L. squamifrons. Over the 15 years of the fisheries ...
Meeting Document : WG-FSA-12/24 : Auteur(s): G.B. Nowara, D.C. Welsford, S.G. Candy and T.D. Lamb (Australia)
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2005/06
101% more during summer, a mass increase of 1.19kg overall (29%). For the third consecutive year ... Abstract: During the sixteenth year of standardised beach surveys of man-made debris at Bird ... , nylon line was absent from Bird Island, an encouraging result after the peak of 546 pieces in 1995/96 ... multifilament (multi-strand) gillnet were found on the survey beach this year (mainly in winter) compared to 11 ...
Meeting Document : SC-CAMLR-XXVI/BG/16 : Auteur(s): Delegation of the United Kingdom
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Modelling availability bias using existing time series count data: Adélie penguins as a case study
date-specific factor (termed the availability fraction) if the count is to form the basis of an ... through December. Implications for the planning of future regional scale surveys of land-based predators ... of sites and years around Antarctica were modelled using quantile regression to estimate the range of ...
Meeting Document : WG-EMM-04/54 : Auteur(s): L. Emmerson, B. Raymond and C. Southwell (Australia)
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The Status of the Champsocephalus gunnari Stock in the South Georgia Area
the relationship between the spawning stock and number of recruits. A conventional VPA and an ad hoc ... tuning method are used to estimate biomass levels and fishing mortality for the period 1971/72 to 1988/89 ... observed in recent years cannot be sustained. There is no clear relationship between the size of the ...
Meeting Document : WG-FSA-89/8 Rev. 1 : Auteur(s): M. Basson, J. Beddington (United Kingdom) and W. Ślósarczyk (Poland)
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Discharge of offal in the Ross Sea – follow up to COMM CIRC 15/15–SC CIRC 15/06
an analysis of the information provided by New Zealand in previous years (COMM CIRC 13/09), along ... border of SSRUs 88.H and J, whereas in 2015 the reports were received from a broader area. For each ...
Meeting Document : CCAMLR-XXXIV/BG/10 : Auteur(s): CCAMLR Secretariat
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part B: Description of available spatial data
) the scientific background and justification for the development of a marine protected area (MPA) in ... development of the objectives and finally of the borders for the WSMPA. Earlier versions of Parts A-C were ... necessary foundation for developing a WSMPA proposal (SC-CAMLR-XXXIV, § 5.11). Here, the authors present to ... 1) and ecological data sets (chapter 2) acquired for the WSMPA planning. Part B has been further ...
Meeting Document : WG-EMM-16/02 : Auteur(s): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7–9 April 2014, Bremerhaven)
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 through 1995
multiple years is apparent. Annual curves of sea ice cover were integrated over time to produce an annual ... years. The most recent event was first apparent in 1994 and continues through the latest data available ...
Meeting Document : WG-EMM-96/24 : Auteur(s): Hewitt, R.P.
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Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation
. Finally, early juveniles (age group 1+) hatched in July-August, entering in the cove the following year to ... estimated for the pelagic blue phase and demersal brown phase fingerlings were respectively 227 and 240 days ... , indicating a timing of demersal settlement of about eight months from hatching. The age/length frequency ... reported for fingerlings caught at South Georgia, and considerably higher than the growth rates known for ...
Meeting Document : WG-FSA-12/04 : Auteur(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)
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DEMOGRAPHIC PATTERNS OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) EXPLAIN THE SPATIAL SEGREGATION OF BALEEN WHALES (MYSTICETI) AROUND THE SOUTH SHETLAND ISLANDS, ANTARCTICA
affinities for particular krill hotspots characterized by different length-maturity stages Humpback whales ... the Antarctic Circumpolar Current. The spatial segregation of krill length-maturity stages provides an ... important link to understanding the spatial structure of whale feeding grounds. Implications for the ... sampled over five years resulting in the most comprehensive linked whale-krill study in the SW Atlantic ...
Meeting Document : WG-EMM-09/33 : Auteur(s): J.A. Santora, C.S. Reiss, V.J. Loeb and R.R. Veit (USA)
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A description of current metrics and methods used in providing advice to the Scientific Committee on setting catch limits and assessing research plans in research blocks in exploratory fisheries and closed areas
summary table using the most recent data available and to detail the methods used for local biomass ... estimation (SC-CAMLR-XXXIV, paragraph 3.232 (i)). This paper provides an updated summary table, with a full ... Secretariat Workflow Status: Content Approved Delegation responsibility for releasing documents: CCAMLR ... Abstract: In recent years there have been a number of changes in the criteria, metrics and ...
Meeting Document : WG-SAM-16/18 Rev. 1 : Auteur(s): CCAMLR Secretariat