Résultats de la recherche

1. Notification for scientific research in 2017/18: proposal to participate in research plan for Antarctic toothfish in Subarea 88.3

   intention is to develop a single co-ordinated research plan with Korea and any other members who may wish to ... to address that uncertainty. There is also considerable uncertainty about the stock structure of ... sets is required. We estimate a maximum catch of 95 tonnes may be required to ensure the survey ... objectives can be met. Author(s):  Delegation of New Zealand Title:  Notification for scientific research in ...

   Meeting Document : WG-SAM-17/38 : Auteur(s): Delegation of New Zealand

2. Proposals on standardization of toothfish resource research

   regarding the longline survey methodology in Division 58.4.1. It is shown that the methodology of modern ... fishing gear as a data collection tool.    Moreover, the use of standard fishing gear should be ... accordance with the  goals and objectives of the research program in Divisions 58.4.1 and 58.4.2. The ...   toothfish  researches  to be carried out by the vessels   based on standardization of sampling longline gear ...

   Meeting Document : WG-SAM-2019/34 : Auteur(s): S. Kasatkina

3. Relationships between the distribution of whales and Antarctic krill Euphausia superba at South Georgia

   depth) that had higher mean krill densities compared with areas where whales were recorded. To compare ... research cruise during January/February 1998. A total of 222 cetaceans of 10 species was recorded with ... structure and density. Such information may also be crucial to understanding the role of scale-dependence in ...

   Meeting Document : WG-EMM-99/30 : Auteur(s): K. Reid, A.S. Brierley (United Kingdom) and G.A. Nevitt (USA)

4. Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate

   condition and, therefore, on foraging success. This, in turn, might be affected by climatically driven ... correlations were found with krill densities (r = 0.69, p = 0.002, lag 0 years), Oceanic Niño Index (r = −0.65 ... ice area (r = −0.68, p = 0.002, lag 0 years). Our results suggest that global climate indices ... ) availability for the species. Therefore, increased frequency of years with reduced krill abundance, due to ...

   Meeting Document : WG-EMM-16/P06 : Auteur(s): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi

5. Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica

   showed no significant difference in sex ratio. Meristic, diet and age data were consistent with previous ... data showed that most fish were either immature or resting (mature). Gonado-Somatic Indices (GSI) were ... -maturity and age-at-maturity ogives indicated that 50% of the fish sampled were mature at about 340–360 mm ... (TL) and about 3–4 years of age and that 95% were mature at about 370–400 mm (TL) and 6–8 years of age ...

   Meeting Document : WG-FSA-07/25 : Auteur(s): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)

6. An exact time of release and recapture stock assessment model applied to Macquarie Island Patagonian toothfish (Dissostichus eleginoides)

   fishing season. Population models that include dynamics of tagged and un-tagged fish, daily releases ... (the "selectivity model") attempts to account for apparent decreasing availability with ... that pre-tagging abundance was between 1.0 and 1.5 million fish, depending on assumed mixing levels ... that emigration may have exceeded immigration. The estimated percentage of the pre-tagging available ...

   Meeting Document : WG-FSA-00/43 : Auteur(s): G. Tuck, W. de la Mare, W. Hearn, R. Williams, A. Smith, X. He and A. Constable (Australia)

7. Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system

   %. There was little indication that agreement between experienced investigators was higher than between ... found to be unsuitable and staining with alizarin did not enhance the internal structures. Poor ... among readers of most species is likely to be associated with the scarcity of validation studies in ... may reduce that problem. Comparative age determinations on a workshop basis which should be combined ... indication that agreement between experienced investigators was higher than between experienced and less ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Auteur(s): Kock, K.-H.

8. Informing and seeking advice from WS-SM 2018 about the revisions of the WSMPA proposal

   under the remit of, or might be of interest to participants at the WS-SM 2018: Unifying the previously ... 48.6 (see point 3 above), which could be used for comparative studies into the potential impacts of D ... . Hain, K. Teschke, H. Pehlke and T. Brey Title:  Informing and seeking advice from WS-SM 2018 about the ...

   Meeting Document : WS-SM-18/08 : Auteur(s): S. Hain, K. Teschke, H. Pehlke and T. Brey

9. Status of krill target strength

   aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ... high signal-to-noise-ratio conditions, are consistent with the general pattern. Several specific ... , general prediction curves for the target strength are presented that are applicable to a wide range of ... accordance with the size range of the animals of interest so that the scattering would be in or near the ... kHz). A chirp 112 signal was used so that each animal could be insonified simultaneously with ... advantage of presenting RTS versus ka is that data spanning a wide range of lengths and frequencies can be ... from animals that are not acoustically resolved or separated, because of overlap with echoes from ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Auteur(s): Foote, K.G., D. Chu and T.K. Stanton

10. Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in May 2004

    range of sensitivity analysis for the assessment based on deliberations at WG-FSA 2003 with respect to ... the surveys and ages included in the estimation of the recruitment series. Author(s):  C.R. Davies, T ...

    Meeting Document : WG-FSA-04/76 : Auteur(s): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)

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