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1. Timescale of ovarian maturation in Notothenia coriiceps (Richardson); evidence for a prolonged adolescent phase

   for about one year. The results from a two year study at Signy Island indicate that this adolescent phase ... spawn each season. Two reproductive strategies are considered, one where adverse conditions ... deposition begins to take place. This 'adolescent' phase was thought originally to last for about one year ... reproductive strategies are considered, one where adverse conditions are accompanied by a failure to spawn ...

   Meeting Document : WG-FSA-93/26 : Author(s): Inigo Everson (United Kingdom)

2. Possible effects of different levels of fishing on krill on predators - some initial modelling attempts

   for certain krill predator species. A "one-way" interaction model is developed, in which krill ... for certain krill predator species. A "one-way" interaction model is developed, in which krill abundance ... Meeting of the CCAMLR's WG-Kril1 and WG-CEMP in 1992 to address this issue. First. estimates are made ... resilient to krill harvesting than deterministic evaluations would suggest. However, the analyses also raise ...

   Meeting Document : WG-KRILL-93/43 : Author(s): D.S. Butterworth and R.B. Thomson (South Africa)

3. Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)

   . 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 SSI Selectivity Age S el ec tiv ity TOT ... the predicted future SSB was below 20% of B0 in the respective sample of any one year, for each year in the 35 ... for one more year was recommended, with the revised catch limit of 30 tonnes. 5. By-catch of fish ... 29 18 72 * One tag recapture in 2007/08 re-allocated to the tag release year 2006/07 (previously ...

   Document : Site Section: Publications

4. Report on attendance at the Sixth Meeting of the Committee for Environmental Protection Under the Madrid Protocol

   in Antarctica. One Member (Chile) noted the value of the precautionary ecosystem approach to issues raised ... in Antarctica. One Member (Chile) noted the value of the precautionary ecosystem approach to issues raised ... of the Antarctic Environment was asked to continue its work under agreed Terms of References. One ... under agreed Terms of References. One of these is to: “Seek the advice of SCAR, CCAMLR, COMNAP ...

   Meeting Document : CCAMLR-XXII/BG/11 : Author(s): Chair of the CCAMLR Scientific Committee

5. Results of E.L. Holmberg 1997 fish survey in Subarea 48.3

   Abstract:  The survey comprised 51 bottom trawl hauls taken in subarea 48.3. Of these, one ... gunnari at the shelf of the South Georgia Islands. The age and size structure of this species in the whole ... The survey comprised 51 bottom trawl hauls taken in subarea 48.3. Of these, one was discarded due ... gunnari at the shelf of the South Georgia Islands. The age and size structure of this species in the whole ...

   Meeting Document : WG-FSA-97/47 : Author(s): Prenski, B., Calcagno, J., Marschoff, E.R., Gonzalez, B.

6. A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean

   in the Southern Atlantic along two meridional transects at 17° and 20°W in the latitudes from 37°30' to 55°30 ... survey was conducted in the Southern Atlantic along two meridional transects at 17° and 20° ... 'S. The survey was mainly focussed on studies of distribution of adult and pre-spawning Electrona ... and Subtropical Frontal Zone. The centre of the species' area of habitat is in the Sub-Antarctic Zone because ... 6: PHCYHOK 7: PHCYHOK 8: rpaHH~bl mHpoTHblX 30H: CT3 - cy6TpOnH1.J:ecKa~ 30Ha; CT3 - cy6TpOnH1.J:ecKa ... mesopelagic fish of the Southern Ocean (Lubimova et al., 1983 a, b). One of the most promising ... still far from the spawning stage are encountered individually in this zone (e.g., one specimen ... into consideration. The number of fish at one or another stage of maturity (as a percentage of the total number ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Author(s): Zemsky, A.V. and S.A. Zozulya

7. e-sc-xxxiii-a6.pdf

   ... other vessels used two and three frequencies. The Working Group agreed that having more than one ... occurred between summer 2013 and winter 2013. In contrast, krill found in winter 2012 (i.e. one year ... of the stock are being exploited and are these predictable (space, time, depth, age/size selectivity)? (iv ... (space, time, depth, age/size)? (iv) How is the krill habitat changing? (v) What data-limited ... CEMP monitoring data 2.66 WG-EMM-14/30 reported on the submission of CEMP data by eight Members for ... Working Group on Ecosystem Monitoring and Management (Punta Arenas, Chile, 7 to 18 July 2014 ... Group on Ecosystem Monitoring and Management (Punta Arenas, Chile, 7 to 18 July 2014) Introduction ... focused on the krill-centric ecosystem and issues related to the development of the feedback management application/pdf attached to:WG-EMM-14

   Meeting Report : WG-EMM-14

8. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   one summer season was roughly estimated as two times from which follows a maximum total effective ... of water masses and krill biomass within one summer season was roughly estimated as two times from which ... and resulted a rate of Z = 0.88 (1989/90) and Z = 0.96 (1987/88). Production was estimated and resulted ... a P/B ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... undetected age class - although these would be very rare ones and strongly overlapping in size. The total ... model was taken as an alternative way. This involves examining the age structure of the stock at one ... is represented by one age group and the reproductive period is of limited duration) can be calculated ... and Townsend (1984) also included more than one age group, which would lead to an overestimation ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.

9. e-sc-xi-a7.pdf

   ... on Indices and Trends 5.2 This summary was presented in two parts, one containing results from monitoring ... Population Size and Success 5.17 Because only one year of data from one site has been submitted thus far ... chicks continued to make some journeys of one to two days to the area of the Continental Shelf break ... from time-depth recorders (TDRs), one of the topics of interest to CEMP. The Working Group agreed ... ; Large, long time-scale: on the scale of the subarea, and over the whole year at two-week intervals ... summarised the data on each parameter collected and analysed by each Member in each year and if it allowed ... to the derived JIC data and provide information on a scale of 10 to 30 km. A major problem, however ... fishing vessels in Subarea 48.1 during the season 1988/89 (WG-CEMP-92/30). Data on catch-per- day and application/pdf attached to:WG-CEMP-92

   Meeting Report : WG-CEMP-92

10. Results of fish stock assessment survey, South Georgia region, November - December 1986

    /85 year classes. Coefficients of variation ranged from 67.9% (Notothenia squamifrons) to 12.6 ... than 1984/85, probably due to good recruitment of 1983/84 and 1984/85 year classes. Coefficients ... and 20 cm (Figure 5) would correspond to age groups 1-3, respectively; a mode expected near 26 cm (age ... 4) is not evident; and the peak at 38 cm would correspond to age 8 fish (1978;79 year class) (Boronin ... age 3-5 fish, with relatively few age 6-8 year olds (25-29 cm). The peak at 37-38 cm would ... then correspond to age 12 fish, the 1974;75 year class. Biomass at Shag Rocks was relatively low (400 mt ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Author(s): Gabriel, W.L.

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