Search results
-
Target strengths of krill at 136 and 20 kHz
transducer being used taking into account the shape of the distant difraction zone in the area being ... % being at Stage I. The overwhelming majority of females were immature; 80.4% were at Stage I. Krill ... of 41 to 47 mm. At a frequency of 30 kHz mean TS values between -71 and -82 dB were obtained for krill ... . Am. 87 (1): 16-24. GODLEWSKA, M. 1982. Acoustic target strength ofkril1. Pol. Polar Res., 3: 253 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Author(s): Kasatkina, S.M.
-
Fishery report: Champsocephalus gunnari South Georgia (Subarea 48.3)
1979/80 8 795 1994/95 10* 0 1980/81 27 903 1995/96 0 1 000 1981/82 54 040 1996/97 0 1 300 ... 1982/83 178 824 1997/98 6* 4 520 1983/84 35 743 1998/99 265 4 840 1 1984/85 628 1999/00 ... 4 114 4 036 2 1985/86 21 008 2000/01 960 6 760 6 1986/87 80 586 2001/02 2 667 5 557 7 1987/88 ... taken in the 2004/05 fishing season had a modal length of 28 cm, and a spread consistent with being ...
Document : Site Section: Publications
-
Scientific Abstracts 2006
are given; (ii) scientific papers submitted for publication, i.e. in CCAMLR Science or elsewhere, which ... ) scientific papers submitted for publication, i.e. in CCAMLR Science or elsewhere, which are listed as &lsquo ... ) scientific papers submitted for publication, i.e. in CCAMLR Science or elsewhere, which are listed ... at a rate similar to that of previous seasons, hooks being typical of those used in the Patagonian ... number of debris items being collected in winter compared to 36% last season. The total weight ... is still being lost by vessels into the marine environment and marine vessels working in this region ...
Document : Site Section: Publications
-
Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
, Vol. 14 (2007): 83–87 83 INFORMATION ON THE STATUS OF FJORD NOTOTHENIA ROSSII, GOBIONOTOTHEN ... 05 barrera-oro-marschoff proof.indd CCAMLR Science ... , South Shetland Islands, after commercial fi shing in the area. CCAMLR Science, 7: 43–52. Jones, C.D ... Island–D’Urville Island. Document WG-FSA- 02/24. CCAMLR, Hobart, Australia: 42 pp. 87 Status of fjord ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Author(s): Barrera-Oro, E.R. and E.R. Marschoff
-
An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
generally improves the confidence in the estimates of B0 and the recruitment series. Despite these results ... this uncertainty in the estimate of long-term annual yield. Further discussion is needed on the choices being made ... in how the datasets are used in this assessment and the approaches being used to estimate the key ... generally improves the confidence in the estimates of B0 and the recruitment series. Despite these results ...
Meeting Document : WG-FSA-SAM-06/14 : Author(s): A. Constable, S. Candy and I. Ball (Australia)
-
Integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)
with YCS estimation, estimates of virgin spawning biomass (B0) ranged from 89 448 - 101 847 tonnes, and SSB ... status in 2013 ranged from 0.63 - 0.69 of B0. A model scenario that ignored information on YCS variation ...
Meeting Document : WG-FSA-13/24 : Author(s): P. Ziegler, S. Candy and D. Welsford (Australia)
-
Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993
CCAMLR Science, Vol. 1: 1-5 ACOUSTIC ESTIMATES OF KRILL ... BIOMASS IN THE ELEPHANT ISLAND AREA: 1981 - 1993 R.P. Hewitt Southwest Fisheries Science Center La ... 8.4 57.2 41.6 82.4 17.1 46.9 78.4 90.9 23.8 28.8 61.2 29.6 134.5 88.2 Reference ... Elephant Island in 1991/92 and 1992/93. CCAMLR Science (this volume). Macaulay, M.C., T.S. English ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Author(s): Hewitt, R.P. and D.A. Demer
-
Factors to consider in developing management measures for krill
applicable management is being developed. File: 11-de-la-Mare.pdf ... applicable management is being developed. ... are suggested which could be implemented while a more generally applicable management is being developed ... qepTaX onHCbIBaIOTC~ MepbI no ycosepmeHcTBoBaHHIO npo~e~yp ynpaBReHH~ npOMbICROM KpHR~. naeTc~ onHcaHHe ... in the Antarctic (Laws, 1977). The baleen whales were the object of major fisheries, with some species being ... and investment required to ensure that the conservation objectives of the Convention are being met ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Author(s): de la Mare, W.K.
-
Fishery Report 2015: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
catch of 1 158 tonnes being recorded in 2002. In 2015, the catch to the end of July 2015 for the French ... around the islands, with the highest catches of D. eleginoides (>1 000 tonnes) being recorded from SSRUs ... prior for B0, the use of a lognormal prior for year-class strength (YCS), double- normal plateau ... ) 2005 132 93 - 67 2006 149 121 - 53 2007 117 83 2118 43 2008 135 46 11397 64 2009 193 46 17730 79 ...
Document : Site Section: Publications
-
Fishery Report 2017: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
spawning stock biomass B0 of 77 286 tonnes (95% CI: 71 492–84 210 tonnes) and an estimated SSB status ... status relative to B0 using MCMC samples and future random lognormal recruitment from 2012 to 2051 ... including by-catch that was caught on the longlines but cut-off before being landed, estimates ranged from ... as possible after being put in the water. Between them, these measures specify the weight requirements ...
Document : Site Section: Publications