Résultats de la recherche
-
AERIAL SURVEYS OF WEDDELL SEALS DURING 2007-08, WITH NOTES ON THE HISTORY OF AERIAL CENSUSES IN THE ROSS SEA AND RECOMMENDATIONS FOR CONTINUED COUNT EFFORT
, in November 2007, and summarize historical results of aerial surveys made along the coast of Victoria ... place under CCAMLR with respect to the Ross Sea toothfish fishery. In a previous paper submitted to EMM ... Weddell seals along the Victoria Land coast. That area would be important to monitor changes in ... distribution and abundance, as seals from all the colonies along that coast likely forage in CCAMLR SSRUs 88.1H ...
Meeting Document : WG-EMM-08/23 : Auteur(s): D. Siniff and D. Ainley (USA)
-
Long-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica
-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica ... Abstract: This paper presents the results of at-sea monitoring of seabirds and cetaceans over ... five summer seasons, 2010 to 2014, at the Scotia Sea, Antarctica, covering a total of 1463 nautical ... encounter rate in the five years (0.29 ± 1.57 whale/nautical mile), followed by Humpback whale (0.09 ± 0.54 ...
Meeting Document : WG-EMM-14/06 Rev. 1 : Auteur(s): J.L. Orgeira, M. Alderete, Y.G. Jiménez and J.C. González (Argentina)
-
Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery. (Component of SC-CAMLR-VI/BG/4)
time data may be needed to assess the density of swarms in a concentration, but may be difficult to ... record in practice, and a number of other factors may complicate any analysis. The possibility of ... abundance and CPUE measures in the Japanese krill fishery. (Component of SC-CAMLR-VI/BG/4) Approval ... Abstract: The history of the Japanese krill fishery is reviewed briefly. Important aspects of the ...
Meeting Document : WS-KCPUE-89/03 : Auteur(s): D.S. Butterworth (South Africa)
-
Some properties of diagnostics of GLMM model tuning for standardising CPUE indices in the Area 48 using the CCAMLR fishery statistics database
Abstract: The data of krill fishery in Subarea 48 for 1986 – 2008 presented to CAMLR database by ... Tweedie’s distribution satisfactorily describes the set of data collected in Subareas 48.1, 48.2 and 48.3 ... of krill hauls in the CAMLR database for 1986 – 2008. It was shown that extremely high CPUE values ... » outliers by different fleets (countries) in the Subareas 48.1-48.3 were analyzed. The procedures of CPUE ...
Meeting Document : WG-EMM-11/44 : Auteur(s): P. Gasyukov and S. Kasatkina (Russia)
-
PRELIMINARY REPORT OF THE NEW ZEALAND RV TANGAROA IPY-CAML SURVEY OF THE ROSS SEA REGION, ANTARCTICA IN FEBRUARY-MARCH 2008
Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... of the distribution and abundance of benthic invertebrates (e.g., corals, sponges) found in ... : PRELIMINARY REPORT OF THE NEW ZEALAND RV TANGAROA IPY-CAML SURVEY OF THE ROSS SEA REGION, ANTARCTICA IN ... ). The 50 day voyage on the research vessel Tangaroa involved an extensive survey of marine organisms ...
Meeting Document : WG-EMM-08/18 : Auteur(s): S.M. Hanchet, J. Mitchell, D. Bowden, M. Clark, J. Hall, R. O’Driscoll, M. Pinkerton and D. Robertson (New Zealand)
-
Preliminary standardised CPUE analysis of the New Zealand part of the toothfish fishery in CCAMLR Subarea 88.1, from 1988/89 to 2002/03
to 2003, in Subareas 88.1 and 88.2 in the region of the Ross Sea. A preliminary standardised analysis ... the New Zealand part of the toothfish fishery in CCAMLR Subarea 88.1, from 1988/89 to 2002/03 Approval ... alternative toothfish CPUE analyses for the 1998 to 2002 seasons. The analysis of a data subset including only ... relatively poor fit to the data. The variables depth, soaktime, length of line, area, and season, entered the ...
Meeting Document : WG-FSA-03/43 : Auteur(s): R.G. Blackwell and S.M. Hanchet (New Zealand)
-
An assessment of the impact of krill fishery on penguins in the South Shetlands
intensity to the shelf and slope of Livingston or Elephant Island. In contrast, the food consumption by ... season (December-March) in the South Shetland Islands (Subarea 48.1) was assessed based on available ... information on fishery, penguins and krill biomass. The catch is very low in December followed by roughly ... penguins is estimated to be large in the shelf and slope near King George Island (11,680 t/10-day), whereas ...
Meeting Document : WG-KRILL-93/07 : Auteur(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)
-
New corrections factors for the quantification of fish represented in pellets of the blue-eyed shag Phalacrocorax atriceps
necessary for the quantification of fish represented in pellets. These factors were obtained for Notothenia ... corrections factors for the quantification of fish represented in pellets of the blue-eyed shag Phalacrocorax ... cast) of the blue-eyed shag or imperial cormorant Phalacrocorax atriceps collected throughout the ... , Notolepis coatsi and Electrona antarctica were represented in pellets but not found in the stomach contents ...
Meeting Document : WG-EMM-95/83 : Auteur(s): Silva, P., Casaux, R., Favero, M., Barrera-Oro, E.
-
A critical re-examination of the evidence for a possible dependence of Weddell seals (Leptonychotes weddellii) on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica
(Dissostichus mawsoni; ‘toothfish’) in the Ross Sea may affect the ecological viability of top predators such as ... of potential prey species including toothfish in the context of updated estimates of Weddell seal ... antarcticum) in Weddell seal diets should be re-examined given the known biases of methods used to derive diet ... the assumptions underlying application of stable isotope methodology to Weddell seals, and estimate ...
Meeting Document : WG-EMM-13/28 : Auteur(s): R. Eisert, M.H. Pinkerton (New Zealand), S.D. Newsome and O.T. Oftedal (USA)
-
Indicators of krill flux at various spatial-temporal based on the data of multi-year research carried out in the Scotia Sea. Comments on krill fishery management
understanding of krill biomass dynamic. It has been shown that the formation of transport of krill in the ... Weddell Sea. The data obtained demonstrate that the dynamics of krill biomass in a given area is more ... Abstract: The subject of research was geostrophic circulation of water masses, spatial ... flow at various spatial-temporal scales in the Scotia Sea. According the discussion at WG-EMM-2018 ...
Meeting Document : WG-EMM-2019/58 : Auteur(s): S. Kasatkina and V. Shnar