Résultats de la recherche

1. Glider-based estimates of Antarctic krill in Bransfield Strait, and the West shelf off Livingston Island, Antarctica

   Livingston Island, Antarctica. Two gliders were deployed for 82 and 88 days, respectively, between mid ... -December 2018 and mid-March 2019. We compare mean biomass density (g m-2) estimates derived from gliders to ... estimated from two repeat glider surveys were 61.04 and 104.1 g m-2. Mean biomass density estimates from ... those from ship-based surveys historically conducted by the U. S. Antarctic Marine Living Resources ...

   Meeting Document : WG-EMM-2019/13 : Auteur(s): C. Reiss, A. Cossio, G. Cutter, J. Walsh and G. Watters

2. Comparison of NASC values calculated by swarm-based and grid-based acoustic data processing methods for Antarctic krill density estimation

   -ASAM-2017 except that the dB difference window of Sv 120 kHz-Sv 38kHz is set 0 to 20 dB. And the two ... Abstract:  The one nautical mile integrated Nautical Area Scattering Coefficient (NASC) values of ... , further analyses were undertaken and the results were shown in Appendix A. Author(s):  X. Yu, X. Wang and ...

   Meeting Document : SG-ASAM-18/04 Rev. 1 : Auteur(s): X. Yu, X. Wang and X. Zhao

3. Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3

   recent years. Projections indicate that a constant catch of 2,420 tonnes in the 2020  and 2021 seasons ... would be consistent with the CCAMLR decision rule. Author(s):  T. Earl Title:  Assessment of Patagonian ...

   Meeting Document : WG-FSA-2019/28 : Auteur(s): T. Earl

4. Antarctic icefishes (Channichthyidae) – a unique family of fishes – a review

   haemoglobin. With the exception of one species, icefish live only in the cold – stable and oxygen – rich ... they are 15 – 20 Ma old and started to evolve some time after the formation of the Antarctic ... not attain maturity before they are 5 – 8 years old. Spawning period of most icefish species is autumn ... the 1970’s and 1980’s with Champsocephalus gunnari as the main target species. Most stocks of this ...

   Meeting Document : WG-FSA-04/10 : Auteur(s): K.-H. Kock (Germany)

5. Global MPAs and marine reserves: lessons learned and implications for CCAMLR

   . One major study published this year identified five characteristics of MPAs that achieved ... years), large (>100km 2) and isolated by deep water or sand” (Edgar et al. 2014). Two analyses of New ... conservation and scientific outcomes. Author(s):  Submitted by ASOC Title:  Global MPAs and marine reserves ...

   Meeting Document : CCAMLR-XXXIII/BG/20 : Auteur(s): Submitted by ASOC

6. Comparison of estimators of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial Distribution

   one of the year-level methods gave reduced estimates of ESS. An appropriate distributional model that ... was also generated by varying one of the selectivity function parameters across years randomly or ... fishing year is therefore important for such assessments and this issue is studied using simulation ... . Between-haul heterogeneity within fishing year was simulated using samples from the Dirichlet-multinomial ...

   Meeting Document : WG-SAM-07/7 : Auteur(s): S.G. Candy (Australia)

7. Revised research plan for the exploratory longline fishery for Dissostichus spp. in Subarea 58.4.1 in 2014/15

   known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... extends from the SSRU 58.4.1C to the SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population ... exploratory fishery for Dissostichus spp. in the SSRUs in Division 58.4.1 from 2014/2015 season to 2018/2019 ... stages. Author(s):  Delegation of the Republic of Korea Title:  Revised research plan for the exploratory ...

   Meeting Document : WG-FSA-14/38 : Auteur(s): Delegation of the Republic of Korea

8. On problem of natural subdividing of Antarctic krill’s geographic area (an application to the monitoring of fishing)

   Abstract:  The possibilities of natural regionisation of antarctic krill's geographic area ... spatial structure of krill's geographic area. More then 43% of regions, where usually present ... fronts. These fronts are natural boundaries of supposed krill's stocks (subpopulations). Such ... several years, which is very expensive and impossible in reality. Information of observers from commercial ...

   Meeting Document : WG-KRILL-93/37 : Auteur(s): R.R. Makarov and L.L. Menshenina (Russia)

9. Predation on fish by the southern elephant seal, Mirounga leonina, at King George Island, South Shetland Islands, as reflected by stomach lavage

   and 1999/2000, one hundred and fifty three specimens of southern elephant seals, Mirounga leonina ... , were stomach lavaged at King George Island in order to analyse their diet. The two major prey types ... throughout the whole study period. One hundred and forty five sagittal otoliths were removed from 16 stomachs ... Abstract:  Between november and february of the years 1993/94, 1995/96, 1996/97, 1997/98, 1998/99 ...

   Meeting Document : WG-EMM-01/58 : Auteur(s): G.A. Daneri and A.R. Carlini (Argentina)

10. Season extensions in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2

    for the periods between 15 and 30 April, and between 1 and 14 November, during 2013/14 and 2014/15 ... longline fishing season.  Subject to these conditions being met, the post-season is proposed to be extended ... to include the period between 15 and 30 November with day/night setting allowed.  Australia will ... continue to report to SC‑CAMLR each year concerning the progress and outcomes of each step-wise season ...

    Meeting Document : WG-FSA-15/48 : Auteur(s): J. Barrington and T. Lamb (Australia)

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