Search results
-
Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
Paper Title: Assessment and tag program adaption methods for exploratory fisheries in the CAMLR ... Convention Area: an example application for Division 58.4.3a Abstract / Description: A methodology for the ... exploratory stocks in the CAMLR Convention Area. The assessment methodology is designed to be able to ... catch-at-length/age data and tagging data at-length/age. A simple algorithm, based upon the Petersen ... no direct age- structured information, apart from the intrinsic rate of increase parameter, r. This ... K an improper uniform prior is assumed – no information is added to the likelihood for all values ... be no recaptures to base an abundance esti- mate on). For an exploitation rate of one, the CV in ... (see Appendix 1). There are no CPUE data, and no estimate process error terms for the recap- ture ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M
-
Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
of krill off Wilkes Land during the 1985/86 season Abstract / Description: Japanese krill fishing ... operations were observed on board a commercial vessel and the actual operation described in detail. ‘Fish ... -finder’ was most useful in detecting swarms, while sonar was used to judge the towing direction. The size ... capture, whereas meal can be processed much later. The major products of Zuiyo Maru No. 2 were fresh ... . - 340 - Zuiyo Maru No. 2, in 1985/86, chose the ground off Wilkes Land, although she had to engage in ... another company that had already been operating there. Unfortunately there was no white krill by the ... Zuiyo Maru No. 2 in 1985/86 season was within the area of good harvesting in the past. During ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Author(s): Ichii, T.
-
Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler
Paper Title: Brief comments on the simulation study made by Professor Butterworth on krill ... questions are raised concerning the simulation study of the Japanese krill fishery carried out by ... Butterworth (1988). Firstly, the simulation study used krill distribution parameter values based on the FIBEX ... results, whereas Japanese vessels often operate on layers which are much larger than the swarms detected ... begin launching their nets aiming at the swarm(s) which have just been found. When no swarm is found ... WS-KCPUE-89/7 BRIEF COMMENTS ON THE SIMULATION STUDY ... Abstract In this paper, three essential questions are raised concerning the simulation study of the ... Japanese krill fishery carried out by Butterworth (1988). Firstly, the simulation study used krill ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Author(s): Ichii, T. and Y. Endo
-
Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
Paper Title: Analysis of krill trawling positions north of the South Shetland Islands (Antarctic ... commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... operations concentrated on the outer shelf in the early 1980s, along the shelf slope in the mid to late 1980s ... , and from the shelf across to the outer shelf in the early to late 1990s. Intra-annually, trawling ... from January, and in the 1982/83 season there were no valid data) (Table 2). The variation of STP for ... No. 430 from the National Research Institute of Far Seas Fisheries. REFERENCES BODC. 1997. GEBCO ... KRILL TRAWLING POSITIONS NORTH OF THE SOUTH SHETLAND ISLANDS (ANTARCTIC PENINSULA AREA), 1980181 ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Author(s): Kawaguchi, S. and K. Segawa
-
Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4
C'beMKa, B XOAe K O T O P O ~ ~ 6b1no 0 6 c n e ~ o ~ a ~ o HeCKOJIbKO IIOABoAHbIX ... n a ~ a r o ~ c ~ ~ f i K n b I K a q (Dissostichus eleginoides): 6b1no B b I n O B n e H O 2822 ... Paper Title: Results of a longline survey on seamounts in the southeast Atlantic and in Subarea ... October and 1 December 1997, and several seamounts were surveyed to the south of Africa: close to the ... Antarctic Polar Front (Meteor Bank) and in the CCAMLR region (Shona and Spiess seamounts, the western slope ... the isobaths and in depths down to 1 500-2 000 m. Numerically, catches were dominated by Patagonian ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Author(s): López Abellán, L.J. and J.F. González Jiménez
-
Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
c noMoubm ~ y m y l l CYHTaeTCR CaMbIM HaAeXHbIM, TaK KaK OH He IIPHBOAMT K HeAOOqeHKaM H IIBflXeTCX ... Paper Title: Comparison of age readings from scales and otoliths of the Patagonian toothfish ... compared for 105 specimens of the Patagonian toothfish (Dissostichus eleginoides) from the South Georgia ... test for paired data (Ts = 0.256, n = 59) conducted on the remaining 56% showed that differences in age ... estimates between the two methods were not significant. Otoliths frequently appeared totally opaque, making ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Author(s): Cassia, M.C
-
Patterns and processes in the distribution and dynamics of Antarctic krill
Paper Title: Patterns and processes in the distribution and dynamics of Antarctic krill Abstract ... / Description: A general framework is presented to develop, test and integrate component models of the ... abundance. Incremental models should then be compared to statistical descriptions of the observed ... distribution patterns at various scales of observation to ascertain the plausibility of the model and identify ... SC-CAMLR-VII/BG/20 PATTERNS AND PROCESSES IN THE ... framework is presented to develop, test and integrate component models of the distribution and dynamics of ... should then be compared to statistical descriptions of the observed distribution patterns at various ... scales of observation to ascertain the plausibility of the model and identify critical processes to be ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Author(s): Levin, S.A., A. Morin and T.M. Powell
-
Environment–krill relations in the South Georgia marine ecosystem
~ K C T ~ ~ M ~ J I ~ H ~ I X y c n o ~ ~ f i . Koppenxqax c ~ e ~ n e p a ~ y p o f i B O A ~ I 6b1na 6onee nocneno~a~enb~ofi , YTO noAaepmMBaeT TeopMlo ... Paper Title: Environment–krill relations in the South Georgia marine ecosystem Abstract ... / Description: Interannual variability in the Southern Ocean ecosystem has long been noted and physical factors ... appear to dominate the dynamics. There are, however, few ecological time series available to assess this ... variability and it is only recently that physical datasets have been generated for the Southern Ocean. In this ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Author(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
-
Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system
Paper Title: Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system Abstract ... / Description: An exchange system was established among Members of CCAMLR to compare age determinations for the ... same species among different laboratories. Four species were included in the exchange: Notothenia ... rossii, Champsocephalus gunnari, Notothenia gibberifrons and Pleuragramma antarcticum. The level of ... of Notothenia rossii scales from South Georgia and the South Shetland Islands. No. Length Weight ... SC-CAM LR-VIIIIBG/46 RESULTS OF THE CCAMLR ANTARCTIC ... established among Members of CCAMLR to compare age determinations for the same species among different ... laboratories. Four species were included in the exchange: Notothenia rossii, ChampsocephaJus gunnari ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Author(s): Kock, K.-H.
-
Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
. Season L~onth Vessel Place of caoture Depth Swept Ho.of Gear Horizontal Soeed of /Division No.af- range ... 06naBnHBaBllIaffCff nonhCKHM npOMhlcnOBhlM ~noToM C 1977 no 1987 rOA nno~aAh B CTaTMCTHqeCKHX nOAyqaCTKaX 56, 57 ... Paper Title: Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77 ... -1986/87 Abstract / Description: The swept area method was used to estimate biomass density changes in ... the stocks of five fish species (Champsocephalus gunnari, Chaenocephalus aceratus, Pseudochaenichthys ... georgianus, Notothenia gibberifrons and Notothenia rossii marmorata) in the South Georgia area in the seasons ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Author(s): Mucha, M. and W. Ślósarczyk