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1. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

   -induced trophic cascades (Pinkerton et al., 2010). Grenadier caught as by-catch and found in stom- achs ... or other anatomical parts traceable to a single specimen. Rocks and shell fragments occasionally found ... of location and depth occur together. Depth was found to be a sig- nificant predictor for the proportion ... caeca and anus) was found to be significantly 41 Macrourus whitsoni and M. caml (Gadiformes ... teeth in the lower jaw allowed the two species to be distinguished both in the laboratory and by ... scientific observers at sea. The species were sympatric by depth (900–1 900 m) and by spatial area within ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Author(s): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

2. Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys

   Composition The frequency of occurrence (%) of the main prey items found in the stomachs of C. gunnari ... in 1994). Fish were more frequently found in stomachs around SG in 1994 (7%) and 1997 (6%). Thysa~zoessa ... periods around SG, krill and T. gaudichaudii were seldom found as sole prey items (1-3 and 1-2 stations ... sampled and 79% of mature fish. In the same year, no significant association was found between ... superba), followed by the amphipod hyperiid Themisto gaudichaudii, was the main food item around South ... surveys by the Dr Eduardo L. Holinberg from 1994 to 1997, high proportions of fish had empty stomachs, a ... phenomenon which could be caused by several concurrent factors. The variation of the diet according to the ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Author(s): Barrera-Oro, E., R. Casaux and E. Marschoff

3. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   -300. MANGEL, M. 1985. Search models in fisheries and agriculture. Lecture Notes in: Biomathematics ... that it is detected. This can be found by an application of the definition of conditional probability: Prob ... paper, I show how data that are routinely collected by survey vessels can be used to estimate the number ... . Sample computations are performed, using data collected by Soviet research/survey vessels in the early ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Author(s): Mangel, M.

4. Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3

   , it was found that there were significant differences between fishing sites and between curve hooks No. 14 ... , it was found that there were significant differences between fishing sites and between curve hooks No. 14 ... , when comparing various mean values of M for the different cases, it was found that there were ... no meCTH THnaM KPIOlIKOB B IIo,l(patioHe 48.3. ECTeCTBeHHaSl CMepTHOCTb, (M) BbIlIHCJIeHHaSl no ,l(By ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Author(s): Moreno, C.A. and P.S. Rubilar

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

   BHeCeHMR ~3MeHeHPlfi AnR YYeTa MeXperHoHaJIbHbIX pa3nHYHfi B CKOPOCTM 3ByKa. B A ~ H H O ~ ~ pa60Te IIPe ... have found no reference to corrections for such effects in manuals for scientific echosounders ... (sea temperature = 2.5"C) waters and found similarly that the required system gain was less (by 1 dB ... biomass by acoustic techniques is dependent on a number of factors of which one of the most fundamental is ... -reported by 2.8 dB, leading in turn to an under-estimation of krill biomass by 52.5%. Every effort should ...

   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. Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution

   model in predicting class/bin by year frequencies is used to obtain a single, across-years, over ... -dispersion parameter. The ESS is then rescaled by dividing by the over-dispersion parameter, and the model ... rectified by changing the underlying age-structured assessment model. File:  07candy.pdf ... of fit of the age- structured model in predicting class/bin by year frequencies is used to obtain a ... single, across-years, over-dispersion parameter. The ESS is then rescaled by dividing by the over ... present and is useful when its source is not clear or cannot be rectified by changing the underlying age ... assessment software (Bull et al., 2005) currently used by CCAMLR allows a multinomial likelihood to be used ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G

7. Size compositions of males and females in the course of the life cycle of Euphausia superba

   glands presented a difficult and time-consuming task. For this reason, if ovaries were not found ... sperm ducts and external sexual features) follows the pattern found in larvae, though ... (A, B, C), females are found to prevail to some extent among larger specimens (excluding 1967 data) (Figure ... of Euphausia superba populations by sex and its seasonal variability. In this paper variations in ... during the reproductive cycle. Information on size composition by sex is considered to be vital for an ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Author(s): Makarov, R.R.

8. Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3

   are the preferred food of both C. gttnnari and fur seals and the latter also eat fish, and found that a greater ... gunnari) at South Georgia is complicated by the likelihood of substantial periodic variations in natural ... mortality rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in ... years of poor krill availability. Thus natural  ortality of C. gunnari may, in some years, increase by a ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Author(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes

9. The utilization of seabird censuses for krill monitoring

   are to be used by administrators, it is necessary to make every effort to obtain a measure of statistical ... ; more details on the methods are to be found in Visbeek and Fontana (1983). From the records ... will be briefly described: - 398 - Correspondence Analysis Descriptions of the method can be found ... and four latitudes were found to be significantly different. Significant results might be the outcome ... Ocean is explored. No variation source directly linked with krill was identified by means of ... technique will allow the discrimination of krill levels by means of bird counts thereby providing an ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Author(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana

10. 1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 (South Georgia)

    /88 collected by Soviet scientists. VPA tuning has been made by the Laurec-Shepherd method (1985 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 15–27 : Author(s): Frolkina, Zh.A. and P. Gasyukov

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