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1. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   operations in the Atlantic sector of the Antarctic Abstract / Description:  Catch per unit effort (CPUE) data ... are presented from krill fishing operations in CCAMLR Subareas 48.1, 48.2, 48.3 (South Atlantic) for ... the period 1975/76 to 1987/88. Comparisons are carried out between subareas in single years, between ... does not occur over time for the entire area. High average CPUE were observed in the years 1975/76 and ... EFFORT (CPUE) DATA FROM THE EARLY YEARS OF COMMERCIAL KRILL FISHING OPERATIONS IN THE ATLANTIC SECTOR ... Catch per unit effort (CPUE) data are presented from krill fishing operations in CCAMLR Subareas 48.1 ... subareas in single years, between years on a subarea and area basis, and between oceanic and shelf regions ... observed in the years 1975/76 and 1980/81, whereas the lowest CPUE occurred in Subarea 48.3 in 1977/78 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Author(s): Siegel, V., V. Sushin and U. Damm

2. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

   Paper Title:  Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and ... . Krill catches in these zones are shown to have a consistent pattern in Subarea 48.1 but an unpredictable ... distribution in Subarea 48.2, probably as a result of more variable hydrographic conditions. About 50% of the ... catch in Subarea 48.1 from December to March was taken within 40 km of the coast, and 90% within 80 km ... DANA) CATCHES IN THE SOUTH SHETLANDS AND SOUTH ORKNEYS DJ. Agnew* Abstract A set of concentric ... the South Shetland and South Orkney Islands. Krill catches in these zones are shown to have a ... consistent pattern in Subarea 48.1 but an unpredictable distribution in Subarea 48.2, probably as a result ... of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from December to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Author(s): Agnew, D.J.

3. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz

   Paper Title:  Measurements of differences in the target strength of Antarctic krill (Euphausia ... superba) swarms at 38 kHz and 120 kHz Abstract / Description:  Differences in the target strength of adult ... differences in the mean back-scattering strength of swarms simultaneously insonified at these two frequencies ... in studies off the South Orkneys and Elephant Island in March 1990. Back-scattering strengths at 120 ... WG-KRILL-90/28 MEASUREMENTS OF DIFFERENCES IN THE ... * * Abstract Differences in the target strength of adult (36 to 60 mm) Antarctic krill (Euphausia superba ... ) at 38 and 120 kHz have been inferred from differences in the mean back-scattering strength of swarms ... simultaneously insonified at these two frequencies in studies off the South Orkneys and Elephant Island in March ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Author(s): Hampton, I.

4. 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

   Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at ... sampling period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The ... decline in trammel net catches of fjord Notothenia rossii and Gobionotothen gibberifrons in relation to ... increasing trend of N. rossii catches from 1991 to 2006, the actual levels are half of those found in the ... GIBBERIFRONS AND NOTOTHENIA CORIICEPS IN THE LOWER SOUTH SHETLAND ISLANDS, DERIVED FROM THE 2000–2006 ... of 24 years which began in 1983, and at Harmony Cove in the summers of 2001 to 2003. The decline in ... trammel net catches of fjord Notothenia rossii and Gobionotothen gibberifrons in relation to the non ... trend of N. rossii catches from 1991 to 2006, the actual levels are half of those found in the early ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Author(s): Barrera-Oro, E.R. and E.R. Marschoff

5. Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass

   Paper Title:  Variations in echosounder calibration with temperature, and some possible ... stability in system gain settings. Between Antarctic seasons this echosounder has also been calibrated in ... those applied in the Antarctic, even after adjustments have been made to account for differences in ... significant differences in volume backscattering (S v) and target strength (TS) transducer gains were detected ... VARIATIONS IN ECHOSOUNDER CALIBRATION WITH TEMPERATURE, AND SOME POSSIBLE IMPLICATIONS FOR ACOUSTIC SURVEYS ... after krill surveys there, and exhibits temporal stability in system gain settings. Between Antarctic ... seasons this echosounder has also been calibrated in temperate European waters. Under these warmer ... conditions, calibrated gain settings differ markedly from those applied in the Antarctic, even after ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Author(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe

6. Statistical power to detect changes in growth rates of Antarctic fur seal pups

   Paper Title:  Statistical power to detect changes in growth rates of Antarctic fur seal pups ... changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples on ... only three dates in a season, and potential means of increasing the power of the CCAMLR Ecosystem ... Monitoring Program Standard Method C1 (B). Using estimates of variance in pup weights obtained at Seal Island ... IN GROWTH RATES OF ANTARCTIC FUR SEAL PUPS P. Boveng, J. L. Bengtson and M. E. Goebel Abstract ... ) in pup growth rates, the loss of power associated with obtaining weight samples on only three dates ... in a season, and potential means of increasing the power of the CCAMLR Ecosystem Monitoring Program ... Standard Method C1 (B). Using estimates of variance in pup weights obtained at Seal Island (60 0 59.5'S ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Author(s): Boveng, P., J.L. Bengtson and M.E. Goebel

7. Statistical problems in krill stock hydroacoustic assessments

   Paper Title:  Statistical problems in krill stock hydroacoustic assessments Abstract / Description ... applied to establish biomass in a survey area and the second is the improvement in accuracy of target ... -strength measurements. In the case of statistical methods, there are no clear guidelines for deciding what ... the population is fixed in space, relative to the sampling interval. There remain several unsatisfied ... SC-CAMLR-VII/BG/22 STATISTICAL PROBLEMS IN KRILL STOCK ... assessments of krill. The first is the methods applied to establish biomass in a survey area and the second ... is the improvement in accuracy of target-strength measurements. In the case of statistical methods ... difficult by the fact that most survey methods assume the population is fixed in space, relative to the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Author(s): Macaulay, M.C.

8. A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3

   . Details of the tanks and number of fish exam- ined is provided in Table 1. All vessels were long- liners ... in Subarea 48.3 Abstract / Description:  During the 2005 fishing season, experiments on the ... survivorship of toothfish following tagging were carried out on eight different vessels fishing in Subarea 48.3 ... . Toothfish were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel ... , fish with a variety of injuries were selected to see if this affected recovery. In the final analysis ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Author(s): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno

9. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

   annuels B long terme. Monenb BbInOBa KpHnR H 0 6 0 6 W e ~ ~ a R MOAenb BbIn ... H YEcneHHocTH HccneAyeMoro sanaca. B HacToxmee BpeMX AHTKOM HCIIOJIb3yeT MOAenb BbInOBa KpHJIR AnR OnpeAeneHHx ... O ~ P ~ H H Y ~ H H ~ ~ Ha BMJIOB KPHnR, B TO BpeMR KaK GY-~ofleJIb TIpHMeHReTCR AJIR PaCveTa BbInOBa IInaBHHKOBbIX pb16 ... flnX flaHHOr0 IIpOrOHa. B MOAeJIM BbInOBa KPHJIR HCnOnb3yeTCR CMeWeHHaR OUeHKa ... Paper Title:  Bias in the estimation of krill yield from using a deterministic formulation of the ... unexploited spawning biomass. These models are used in order to account for uncertainty in the biological ... model as a basis for setting catch limits in the krill fishery, while the GYM is used for assessing ... yield in other finfish fisheries but can also be used for krill. The decision rules relate to the ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Author(s): Constable, A.J. and W.K. de la Mare

10. Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90

    Paper Title:  Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data- Autumn ... in the South Sandwich and South Orkney Islands areas during a cruise by RV AtlantNIRO in March/April ... 1990. The survey was conducted in the upper 100 m layer using a modified Isaacs-Kidd trawl. Trawling ... Islands was assessed at 3.8 million tonnes, most of which was concentrated in the waters of the Weddell ... WG-KRILL-90/21 KRILL BIOMASS ASSESSMENT IN STATISTICAL ... census survey was carried out at two fishing grounds in the South Sandwich and South Orkney Islands ... areas during a cruise by RV AtlantNIRO in March/April 1990. The survey was conducted in the upper 100 ... , most of which was concentrated in the waters of the Weddell Sea. In contrast to this site, the one ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Author(s): Fedotov, A.C.

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