Résultats de la recherche

1. Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea

   Paper Title:  Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the ... Bay) at 38, 120 and 200 kHz in May 2007 and in February 2009. Overall ex situ TS–TL relationships were ... -larvae of P. antarcticum with a total length from 13 to 70 mm, were conducted in the southeast of the ... continental slope and shelf of the Ross Sea at depths from 30 to 120 m, during the Italian expeditions of 1997 ... de las de los peces postlarvales y juveniles. No obstante, el TS experimental ex situ como in situ ... knowledge on the acoustic properties of P. antarcticum and thus there is no acoustic estimation of their ... Ancona Bay, Italy (43°37'N 13°28'E), near the RV Dallaporta, on which an acoustic laboratory was ... (which ranged from –0.5 to –1°C). There is cur- rently no information regarding the dependence of fish ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Auteur(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi

2. Towards developing a feedback management procedure for the Antarctic krill fishery

   strategy for the krill fishery includes comparison of predator performance in no-fishing areas, these ... Abstract:  We present a feedback strategy, founded on CEMP data, to adjust the catch limit and the ... spatial distribution of fishing activity for Antarctic krill in Statistical Area 48. The CEMP currently ... relevant to making inference about the potential for competition between krill-dependent predators and the ...

   Meeting Document : WG-EMM-12/44 : Auteur(s): G. Watters and J. Hinke (USA)

3. Habitat use of type – C killer whales (Orcinus orca) in the Ross Sea, Antarctica

   Abstract:  In Terra Nova Bay, western Ross Sea, during the austral summer 2015 ten type- C killer ... the horizontal behaviour of tagged whales. The Bayesian state-space model revealed discrete, largely ... non-overlapping Areas of Restricted Search (ARS) of killer whales along the coastline which matched ... the pattern of deeper dives thus indicating possible feeding grounds along the Ross Sea coast ...

   Meeting Document : WG-EMM-2019/08 : Auteur(s): G. Lauriano, E. Pirotta, T. Joyce, R. L. Pitman and S. Panigada

4. DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

   fishing grounds of deep water (mainly > 800 m) off Terra Nova Bay, Ross Island, and in the south of ... grounds. There are no reliable estimates of Antarctic toothfish abundance on the shelf at the current time ... in different years making interpretation difficult. Tag-recapture data from the Terra Nova Bay ... the purposes of addressing items on the FEMA 2 agenda. It summarises the management of the fishery ...

   Meeting Document : WG-EMM-09/40 : Auteur(s): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

5. Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia

   Paper Title:  Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around ... South Georgia Abstract / Description:  Information on natural mortality rates of the mackerel icefish ... (Champsocephalus gunnari) from the period prior to known large-scale commercial harvesting is discussed. After ... careful consideration of the data and available methods, several errors are noted in earlier estimates ... information on the analyses undertaken. Although mentioned in the WG-FSA report, no discussion is reported ... (1990). Apparently, no analyses using M = 0.35 were undertaken at that time. The recent study by ... the matrix. No information is given in Frolkina and Dorovskikh (1990,1991) about sampling gear ... fish in all fully recruited age classes, and no is the number sampled from the first fully recruited ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Auteur(s): Everson, I

6. Commercial krill fisheries in the Antarctic, 1973 to 1988

   Paper Title:  Commercial krill fisheries in the Antarctic, 1973 to 1988 Abstract / Description ... :  STATLANT data reported to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... ) are used to discern observable trends in catch and effort for the Antarctic krill (Euphausia superba ... ) fishery between 1972/73 and 1987/88. The annual krill catch rose gradually to a peak of some 500 000 ... -139. 240 MILLER, D.G.M. 1987. The South African SIBEX 11 Cruise to the Prydz Bay region, 1985 ... . Sci. Fish. No. 11. (In Japanese). STASENKO, V.D. 1967. Determining the rational krill fishing ... SC-CAMLR-VII1I8G/11 COMMERCIAL KRILL FISHERIES IN THE ... ANTARCTIC, 1973 TO 1988 D.G.M. Miller Abstract ST ATLANT data reported to the Commission for the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Auteur(s): Miller, D.G.M.

7. Larval fish distribution and abundance of the western Ross Sea

   station off Terra Nova Bay. Our data give evidence of a great species diversity of the larval fish ... Abstract:  Ichthyoplankton samples were obtained during the Italian Antarctic Oceanographic Cruise ... carried out in the western Ross Sea in November-December 1994. The present study focused on improvement of ... the knowledge of the larval fish community in relation to its distribution and relative abundance. A ...

   Meeting Document : WG-FSA-95/11 : Auteur(s): Greco, S., la Mesa, M., Vacchi, M.

8. Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region

   Islands. Length compositions and the proportion of large (= old) specimens in the populations provided no ... Paper Title:  Biological characteristics of Antarctic fish stocks in the southern Scotia Arc ... region Abstract / Description:  Commercial exploitation of finfish in the southern Scotia Arc took place ... from 1977/78 to 1989/90, and was in its heyday from 1977/78 to 1981/82. Except for Elephant Island, the ... the populations provided no evidence of illegal fishing since the closure of the region some 10 years ... measurements and cluster linkage methods revealed no significant differences from the results of the methods ... (= old) specimens in the catches suggested that no substantial illegal fishing had taken place since ... maturity stage 5/2 or specimens in stage 3, but no specimens in actual spawning condition (stage 4). The ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Auteur(s): Kock, K.-H., C.D. Jones and S. Wilhelms

9. Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea

   interestingly, the magnitudes of abundance and between-year gradients of change of abundance at each site were ... both SG and El. There was no apparent lag in changes in abundance at each site, and ranked between-year ... widely separated sites (approximately 1500 km distant at opposite sides of the Scotia Sea) are not ... Abstract:  Acoustic estimates of the densities of Antarctic krill, Euphausia superba, in areas ...

   Meeting Document : WS-AREA 48-98/11 : Auteur(s): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)

10. Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers

    digested with the restriction enzymes, but there was no population differentiation among the three sea ... Paper Title:  Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed ... appeared to be characterised by low diversity; no genetic variation was detected with restriction enzyme ... digests of nine sub-regions of the mitochondrial genome. Polymorphisms were found in four of seven introns ... were found in four of seven introns digested with the restriction enzymes, but there was no population ... MtDNA RFLPs No genetic variation was detected with the RFLP method for the nine regions of mtDNA in ... the 57 available sequences. Analysis of molecular variance (AMOVA) showed no signifi cant dif fer- en ... Rousset, 1995). There was no signifi cant heterogeneity at any of the loci (CK6 χ2 = 2.36, P = 0.31; CK7 ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Auteur(s): Smith, P.J. and P.M. Gaffney

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