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Комиссия по сохранению морских живых ресурсов Антарктики

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  1. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

    Paper Title:  Fitting Euphausia superba into Southern Ocean food-web models: a review of data ... of each method of sampling krill, i.e. with nets (for historical time series, demographic information ... the benthos have fundamental implications, both for assessing biomass and for modelling the food web ... . Growth in spring, summer and autumn is now fairly well quantified, but mortality remains an enigma. We ... ) method has been in use for 20 years but there have been various attempts to use other analytical ... first is the underside of sea-ice – an important habitat for krill year-round (Brierley et al., 2002 ... occurred year- round throughout Antarctica, and regularly with an estimated ~20% of the stock deeper than ... distribution and the environment are hard to generalise. For example, right across the 80–150°E (Indian ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Автор(ы): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

  2. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

    Subarea 48.3 (South Georgia): a review Abstract / Description:  The need to protect young fish and ... , and a strategy for the future protection of young fish and spawning aggregations of C. gunnari in ... 90 mm, to protect first spawners, or 100 mm, to give an age at first capture of 4 years.' * The ... , at certain times of the year may show a high degree of age specificity. For example, during the ... , paragraphs 9.1 and 9.2). This runs from 1 December to 30 November, and has specific implications for the ... , the Scientific Committee noted the benefits associated with an increase in the age at first capture ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Автор(ы): Parkes, G.B

  3. A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

    important first steps for improving ecosystem models. This review focuses on seals that breed in ice ... Paper Title:  A review of data on abundance, trends in abundance, habitat use and diet of ice ... ), south Indian Ocean (20°E–90°E) and Weddell Sea (20°E–60°W)). The haul-out model developed for ... steps for improving ecosystem models. This review focuses on seals that breed in ice habitats of the ... were then summed to derive an estimated total population size for each species in each region (Table ... 000– 4 748 000) from 90°W to 30°W, and 946 000 (726 000–1 397 000) from 64°E to 150°E. The crabeater ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Автор(ы): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan

  4. A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements

    Paper Title:  A review of the effectiveness of streamer lines as a seabird by-catch mitigation ... light of a review of existing literature and available data on the effectiveness of single and paired ... recommendations of this review and the discussions of the ad hoc Working Group on Incidental Mortality Arising ... November 2002 (Table 1). Streamer lines had an aerial extent of 30 to 70 m depending on sea state ... review of current published material and new data on CCAMLR streamer line perfor- mance standards. A ... above the water using the boom-and-bridle system, achieving an aerial extent of up to 60 m. For all ... Measure 25-02 (2002) should be increased or be replaced with an aerial extent requirement of at least 80 ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Автор(ы): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke

  5. A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem

    Paper Title:  A review of the trophic role of mesopelagic fish of the family Myctophidae in the ... CCAMLR Science, Vol. 2 (1995): 71-77 A REVIEW OF THE ... for myctophids. Mean yearly production of zooplankton in this area is 1.2 billion tonnes (Voronina ... high latitudes (62" to 65"s; sometimes even further south) where ACC waters extend southward. Years ... in the food chain. This study is mainly based on published and unpublished results of research ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Автор(ы): Kozlov, A.N

  6. Book review – Biogeographic Atlas of the Southern Ocean

    Paper Title:  Book review – Biogeographic Atlas of the Southern Ocean Abstract / Description ... :  This is a review of De Broyer, C., P. Koubbi, H.J. Griffiths, B. Raymond, C. Udekem d’Acoz, A.P. Van de ... , Cambridge: XII + 498 pp. File:  book-review.pdf ... available (www.biodiversity.aq) pro­ viding a valuable resource for the Antarctic science community. In ... conclusion, the Biogeographic Atlas of the Southern Ocean is an excellent reference for all parties with an ... (2015): 45–46 45 Book review Biogeographic Atlas of the Southern Ocean De Broyer, C., P. Koubbi ... Published ...

    Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 45-46 : Автор(ы): Reid, K.

  7. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

    for differences in the extent of identification of early larval stages. Likewise, the time of year ... Paper Title:  An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and ... an enormous amount of data on Southern Ocean (SO) zooplankton, mostly on their distribution with a ... minority addressing rate processes. This review aims to summarise these data and show where it resides, to ... one-half of those above. A change in the view of SO copepods in the last 20 years has followed an ... have faster growth rates for a given size (Clarke and Peck, 1991). This review defines ... been suggested for E. frigida (Brinton, 1985; Siegel, 1987; Ward et al., 1990), up to 3 years for E ... . triacantha (Baker, 1959; Siegel, 1987), and up to 4–5 years for E. crystallorophias (Pakhomov and ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Автор(ы): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie

  8. An index of per capita recruitment

    assumptions that: (i) post-recruit mortality does not vary over age or between years; (ii) 100% of age-l ... years, and when all age-l animals spawn. These conclusions are insensitive to changes in the shape of ... recruitment (PCR) is proposed such that where R 1 is the proportion of age-l animals sampled in year y and M ... in mortality and reduction in the proportion of age-l spawners. Introducing year-to-year random ... appearing as a large mode at 20 to 30 mm length and in subsequent years as progressively longer length ... for Ml and c, and a is set to 0.0, PCR underestimates R/S by an average of approximately 30 ... ; M2, M3, Mq . . . the post- recruit mortality rates for age-2, age-3, age-4 ... year classes; and y ... years except for the moderate year class of 1990/91. The non-linear transformation of R1 to PCR ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Автор(ы): Hewitt, R

  9. A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ

    Paper Title:  A first attempt at an assessment of the Patagonian toothfish (Dissostichus ... eleginoides) resource in the Prince Edward Islands EEZ Abstract / Description:  The history of the fishery for ... -per-unit-effort (CPUE) trend. Application of a simple age-structured production model (ASPM) provides ... maximum of about 400 tonnes. Implications for surveillance are discussed. File:  02brandao-etal.pdf ... biomass projections for Division 58.5.2 biological parameters 40 000 30 000 20 000 10 000 0 20 000 ... analyses conducted in this paper. The legal catch indicated for 2001 is an estimate. Year Legal ... 2009 2012 2015 2018 2021 Year Bi om as s (t) 0 400 800 Exploitable biomass projections for base ... for base case (h = 0.6) 20 Brandão et al. Figure 2: Population model fi ts and 20-year ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Автор(ы): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller

  10. An assessment of toothfish in Subarea 48.3 using CASAL

    Paper Title:  An assessment of toothfish in Subarea 48.3 using CASAL Abstract / Description:  This ... paper presents an assessment of the stock of toothfish around South Georgia (Subarea 48.3) using the ... dynamics is explored using Markov Chain Monte Carlo (MCMC) methods; methods for fast approximations to the ... , long-term yield calculations were undertaken, given the CCAMLR decision rules, for five main assessment ... are undoubtedly rather high for an animal with the longevity of toothfish and its relatively low ... years refer to the fishing season that started in December prior to the year quoted. For example, year ... standard way using the GYM. Clearly, however, such an approach is not suitable in the longer term, if for ... 1992 onwards, and for many of these years the fleets had reported data at different resolutions (for ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Автор(ы): Hillary, R.M., G.P. Kirkwood and D.J. Agnew

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