Résultats de la recherche

1. DETECTION OF COLD SEEPS AND HYDROTHERMAL VENTS

   suggest an approach to identifying associated VMEs in the CCAMLR region that uses the results of ... geophysical techniques as well as the recovery of characteristic organisms. While the definitive ... fishing vessels to reduce the accidental disturbance of seep communities. Author(s):  Logan, G., O’Brien ... Abstract:  Cold seeps and hydrothermal vents can be detected by a number of oceanographic and ...

   Meeting Document : WS-VME-09/09 : Auteur(s): Logan, G., O’Brien, P.E., Rollet, N., Kennard, J., Jones, A.

2. Review of length-weight relationships for Antarctic krill

   changes in length-weight relationship parameters is discussed. Recommendations are given for the use of ... . Information on sex and dominant maturity stages underlying the data are supported. The influence of seasonal ... the listed lenght-weight relationships. Author(s):  V. Siegel (Germany) Title:  Review of length ...

   Meeting Document : WG-KRILL-92/15 : Auteur(s): V. Siegel (Germany)

3. Recruitment of Antarctic krill (Euphausia superba) and possible causes for its variability

   Abstract:  Between year variability of krill year class success and recruitment during the 1977 ... Resources Program cruises in the Elephant Island area. The recruitment index (R1), based on the relative ... abundance of the 1 + age class, varies substantially between years, whereas it is quite similar between ... conditions during the preceding winter season, the timing of krill spawning, and the occurrence of dense salp ...

   Meeting Document : WG-EMM-95/15 : Auteur(s): Siegel, V., Loeb, V.

4. Stock connectivity of Antarctic toothfish

   dissolution of the genetic stock structure and explain the results found in this study. However, the actual ... , 48.4, 48.6, 88.1, 88.2 and 88.3, Divisions 58.4.1, 58.4.2 and 58.5.2, and the SPRFMO area north of ... be sequenced by Diversity Arrays to identify variable nucleotide SNPs sites. The analysis of SNPs ... indicated that the genetic structuring of Antarctic toothfish across the Southern Ocean is very weak. The ...

   Meeting Document : WG-FSA-2019/P01 : Auteur(s): D. Maschette, S. Wotherspoon, A. Polanowski, B. Deagle, D. Welsford and P. Ziegler

5. Acoustic estimates of krill abundance at South Georgia, 1981–1998

   north-eastern and north-western ends of South Georgia. In four of these years biomass was higher to the ... Abstract:  Acoustic estimates of abundance of the Antarctic krill, Euphausia superba, at South ... subsidiary during other studies of the pelagic ecosystem at South Georgia. Krill abundance at the island ... of the years between 1990 and 1998 it was possible to calculate separate biomass estimates for the ...

   Meeting Document : WS-AREA 48-98/9 : Auteur(s): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)

6. Status of krill target strength

   cause of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target ... Abstract:  Empirical estimates for the target strength of krill are extracted from the literature ... strength are derived from the deformed-cylinder scattering model assuming specific sets of physical and ... . These are confined to measurements on aggregations of live euphausiids, which should avoid a frequent ...

   Meeting Document : WG-KRILL-92/11 : Auteur(s): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)

7. Target strengths of Antarctic krill (Euphausia superba)

   Paper Title:  Target strengths of Antarctic krill (Euphausia superba) Abstract / Description:  The ... and 120 kHz in a sheltered bay at South Georgia. The results indicate that the Target Strength values ... Mean Volume Backscattering Strength of encaged aggregations of swimming krill have been measured at 38 ... in estimated mean target strengths, the general finding of this study is clear. The target ... attempt to quantify its abundance in 1981 over part of its area of occurrence in the Southern Ocean ... , defrosted or otherwise preserved specimens, in fresh water as well as sea water. In addition the state of ... measurements of the target strength of E. superba, made in January and February 1988. These were performed on ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Auteur(s): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote

8. Biology and distribution of South Georgia icefish (Pseudochaenichthys georgianus) around South Georgia and Shag Rocks

   Abstract:  Pseudochaenichthys georgianus is a member of the unique Channichthyidae family, which ... surveys undertaken in the austral summers between 1986 and 2006. P. georgianus (50-590 mm Total Length ... ) were caught throughout the South Georgia shelf from depths of 76 to 370 m, but very few specimens ... lack haemoglobin. The distribution, length-frequency and summer diet are described from 14 bottom trawl ...

   Meeting Document : WG-FSA-07/21 : Auteur(s): S. Clarke, W.D.K. Reid, M.A. Collins and M. Belchier (United Kingdom)

9. Status of krill target strength

   Paper Title:  Status of krill target strength Abstract / Description:  Empirical estimates for the ... aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ... is an empirical basis. The theoretical estimates show a non-monotonic dependence of target strength ... recommendations are made for future, improved determinations of krill target strength. Based on the comparisons ... performed near the South Orkney Islands in May 1983 on krill of mean length 44.7 mm, for which the ... South Georgia in June 1983 onkrill of mean length 49.9 mm, with effective mean TS of -72 dB. The ... Hampton, 1989). In order to convert measurements of echo strength to biological quantities, such as the ... 102 ! :/ interest in krill biomass, as witnessed, for example, by the scale of international ...

   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. Net diagrams and mammal exclusion devices of Chinese krill fishing vessels

    exclusion devices included in the krill fishery notification submitted by China Author(s):  Delegation of ... the People’s Republic of China Title:  Net diagrams and mammal exclusion devices of Chinese krill ... Abstract:  As requested by CM 21-03, Annex 21-03/A, attached are the net diagrams and mammal ...

    Meeting Document : WG-EMM-14/33 : Auteur(s): Delegation of the People’s Republic of China

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