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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
Paper Title: Evaluating the impact of multi-year research catch limits on overfished toothfish ... Evaluating the impact of multi-year research catch limits on overfished toothfish populations ... , and a 35-year projection period for assessments of long-lived species such as Dis- sostichus spp. is used ... , should aim to produce an as- sessment within a 3–4 year time frame of research commencing (SC-CAMLR ... of fishing mortality may CCAMLR Science, Vol. 18 (2011): 47–55 47 EvaluatIng thE Impact of multI-yEar ... 1 year Last age class in stock 35 years Oldest age in initial structure 36 years Initial population ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C
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Erratum and Addendum - Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects – CCAMLR Science, 11: 59–80 (2004)
models, the Tweedie distribution, random vessel effects and random stratum-by-year effects – CCAMLR ... distribution, random vessel effects and random stratum-by-year effects – CCAMLR Science, 11: 59–80 (2004) ... study based on GLM (equation 2) using Tweedie dis- tribution errors it was found that the minimum ... ModEls, thE twEEdiE distribution, rAndoM vEssEl EffEcts And rAndoM strAtuM-by-yEAr EffEcts CCAMLR ... effects and random stratum-by-year effects. CCAMLR Science, 11: 59–80. R Development Core Team. 2006 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 221–222 : Author(s): Candy, S.G
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Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
to at least 50 years. Females grow at a faster rate, and reach a larger size, than males, but both sexes ... years. File: 03marriott-etal.pdf ... to be a slowgrowing and long-lived species, living to at least 50 years. Females grow at a faster rate, and reach ... are sexually mature was estimated to be from 12 to 14 years. ... to at least 50 years. Females grow at a faster rate, and reach a larger size, than males, but both sexes ... 12 to 14 years. Résumé Des échantillons de grenadiers macrouridés prélevés dans la capture ... year since 1998 (Hanchet et al., 2002). Toothfi sh landings increased steadily from 41 tonnes in 1998 ... of 15 years), and a few species are slow growing and very long lived (e.g. Bergstad, 1995; Andrews et ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Author(s): Marriott, P., P.L. Horn and P. McMillan
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Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea
fish remains in many of the stomachs to species level (see above dis- cussion), or could reflect ... . Stomach contents of Antarctic toothfish (Dis sostichus mawsoni) from the Ross Sea region in 2010 ... and P.D. Nichols. 2009. Lipid composition and diet inferences in abyssal macrourids of the eastern ... , G. Hosie and P. Koubbi. 2011. Ontogenic changes in the feeding ecology of the early life stages ... consistent with the frequency and percentage occurrence of prey in Antarctic toothfish stomachs. Further ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Author(s): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang
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Surface water circulation in krill fishing areas near the South Shetland Islands
years, and also from krill abundance in KYMT net samples during the 1987/88 cruise of the RV Kaiyo ... the slope and reached the South Orkneys 85 days later (Figure 2(b)). The buoy was then trapped ... by the currents which had properties of retention. In addition to positions of catches for the past 13 years ... with a drogue attached at a depth of 30 m to assess flow patterns at the depth range where krill tended ... sluggish southwest current with a series of small-scale circular and semi-circular flows in the shelf ... calculations. The picture obtained of the surface circulation was considered in conjunction with the ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Author(s): Ichii, T. and M. Naganobu
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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
of years (some of these have been summarised in Everson 1988; Nast et al., 1988; SiegeI1988). In general ... to seasonal effects (e.g., Siegel, 1988; Everson, in press); and (ill) year-to-year variability is hard ... to assess given that surveys may also have been taken at different times of the season, but for some years ... FIBEX. Ship Country Area Echosounder Frequency (kHz) Walther Herwig Gennany 48 50 Dr Eduardo ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Author(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
dIE. superba en enceinte a 38 et 120 kHz, mais sont en contradiction totale avec le facteur de ... obtained by similar calibrations of these two sounders over the past three years. Spot checks on SL ... through System B. Later, the inputs were interchanged to balance out the effect of possible differences ... in average target strength at these two frequencies. The results are in good agreement with recent ... experimental work on the target strength of encaged E. superba at 38 and 120 kHz but are in major conflict with ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Author(s): Hampton, I.
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Toothfish, Dissostichus eleginoides, at South Georgia
: The Dissostichus eleginoides fishery at South Georgia has expanded greatly in recent years. It has been claimed ... The Dissostichus eleginoides fishery at South Georgia has expanded greatly in recent years. It has ... Georgia has expanded greatly in recent years. It has been claimed that the exploited fish are senescent ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 255–261 : Author(s): Everson, I. and S. Campbell
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Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf
were found to be 2.5 years and 12.6 cm. File: 09-Shilbanov.pdf ... in calculations and the optimal age and length for harvesting Patagonian rockcod were found to be 2.5 years ... and the optimal age and length for harvesting Patagonian rockcod were found to be 2.5 years and 12.6 cm. Resume ... g with the mean weight of about 40 g. The maximum age of P.g. shagensis is 7 years and fish of 2 to 5 years ... of 2 to 3 years. The sex ratio of fish is actually the same in all size classes. Depending on the length ... method with F=O: M = Z where T t ' 1 = 0.94 f - t' mean age of fish, 3.42 years age of year ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Author(s): Shlibanov, V.I.
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Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on pelagic catch data
, plus three summary maps of fin whales catches for the years 1952/53–1961/62 combined, for each ... maps of fin whales catches for the years 1952/53–1961/62 combined, for each of the three months. ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 113-193 : Author(s): Mizroch, S.A. et. al