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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 ... Erratum For the GLMM the ‘effective degrees of ... freedom’, r, was incorrectly specified as 2 2 1 ˆ ˆ iiu r q u σ = - å . The correct formula is 22 1 ... ˆ ˆ iiu r u σ = å (Schall, 1991). The results in Candy (2004) were not affected by this ... notational error since the S-plus® (Insightful Company, USA) function ‘reglm’ (www.statsci. org/s/reglm.html ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 221–222 : Author(s): Candy, S.G
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Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks
Paper Title: Some specific features of the USSR krill fishery and possibilities of applying ... the USSR krill fishery such as the location of exploited fishing areas and the seasonal regime of ... their exploitation are considered. Using data obtained by the scouting vessel Globus engaged in regular ... krill fishery, it is shown that the catch-per-haul variables are associated with the fishing regime of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Author(s): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov
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Methods of age determination for mackerel icefish (Champsocephalus gunnari Lönnberg 1905) from the South Georgia Island shelf
1905) from the South Georgia Island shelf Abstract / Description: Radii of annual elements of otoliths ... of mackerel icefish (Champsocephalus gunnari) from the South Georgia shelf were determined by ... taken in the period July to September. The latter was done using specimens from strictly defined age ... groups. It is suggested that the determined radii of annual elements of otolith could be used to adjust ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 37–49 : Author(s): Frolkina, Zh.A.
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Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on pelagic catch data
Paper Title: Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on ... the locations of pelagic catches of Balaenopterid whales by month between 1931/32–1979/80. Two sets of ... maps were produced. The first series contains 24 maps of catches by species by month, and the second ... March, plus three summary maps of fin whales catches for the years 1952/53–1961/62 combined, for each of ...
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
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Hydrological conditions and characteristics of icefish (Channichthyidae) distribution on the South Georgia shelf in 1986/87
) distribution on the South Georgia shelf in 1986/87 Abstract / Description: Some characteristics of spatial and ... temporal variability of the distribution of icefish (Channichthyidae) on the South Georgia shelf in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 3–14 : Author(s): Shnar, V.N. and V.I. Shlibanov
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Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program
observation periods. This strategy was only effective until the end of the guard-stage, after which time both ... Program Abstract / Description: Following the request of the Scientific Committee of CCAMLR to conduct ... such a treatment of data obtained at the Magnetic Island Adélie penguin colony in Prydz Bay in the 1987 ... /88 and 1988/89 breeding seasons. The data on the following parameters were analyzed: adult weight on ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Author(s): Whitehead, M.D.
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Food consumption by predators in a CCAMLR integrated study region
i are given by: before laying: laying to hatching: hatching to fledging: after fledging: always ... primarily inshore we assume that the foraging effort at the inshore end of the range is 10 times ... acquisition of any 'extra' food before and after the periods ashore. This would allow data lines 05, 06 ... / Description: A detailed description of the structure and mode of operation of a model for estimating food ... consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... provided, illustrating the changes produced by using these new sub-models. Results of initial sensitivity ... analyses indicate particular sensitivity to estimation of metabolic energy requirements. The system is ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Author(s): Croxall, J.P., C. Ricketts and A.G. Wood
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Fish stock assessment survey in Subarea 48.3
procedures, at the end of the survey and the results set out in Table 3. Field trials undertaken by the Sea ... Rocks and the other of 336 kg from the eastern end of South Georgia, were still very small relative ... was operating in the area and reported catch rates of less than one tonne per day; after several days ... 4 mm Poly ethylene braid used throughout COD END LINER M 45 ~ 7.6m Bo~ rope Bobbin ... fish survey in the vicinity of South Georgia, CCAMLR Subarea 48.3, is described. Details are given of ... positions of hauls, catch rates and size composition of catches. The standing stock of one of the most ... important commercial species in the area, Champsocephalus gunnari, is shown to have undergone a major ... decline by comparison with results from the 1989/90 season. Other species do not show a similar dramatic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Author(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski
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Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics
months after sampling. Samples were identified to species in the laboratory following McMillan et al ... of capture of each sample, which is taken to be midway between the start setting position and end setting ... otolith morphometrics Abstract / Description: That the predominant by-catch of grenadier by the toothfish ... fishery in the Ross Sea region is comprised of two species, rather than being solely Macrourus whitsoni ... , was recognised in 2010 with the identification of a new species, M. caml. Grenadier are the main by ... -catch in the toothfish fishery and modelling suggests that they may be subject to predation release as ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Author(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott
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An assessment of toothfish in Subarea 48.3 using CASAL
, with length frequencies being quite similar both before and after that time. This in turn suggests ... were assumed not to grow for half a year immediately after tagging. A tagging mortal- ity rate of 0.1 ... (1) to compute effective sample sizes) and then the same quantities are recomputed after an initial MPD run ... -weighting step was performed for each model, but after this initial re-weighting a check was carried out ... paper presents an assessment of the stock of toothfish around South Georgia (Subarea 48.3) using the ... CASAL stock assessment software (Bull et al., 2005). Detailed attention is given to the incorporation of ... as much of the available tuning data as possible, as well as a whole range of assessment ... sensitivities – to fixed parametric assumptions, model structures and alternative data scenarios. Given the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Author(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew