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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
Assessment of bottom fishing activities Trigger levels and actions, mitigation measures 4. Evaluate risks ... circumstances 3 Unlikely Could occur at some time 4 Possible Might occur at some time 5 Likely Will probably ... extirpations. 25–50 One–few years 4 Severe Substantial loss to structure or function of ecosystem. Many ... = high. Consequence Negligible (0) Minor (1) Moderate (2) Major (3) Severe (4) Catastrophic (5 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Autor(es): Martin-Smith, K
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Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
Agency 2-12-4 Fukuura, Kanazawa, Yokohama Kanagawa 236-8648, Japan Email – okudy@affrc.go.jp ... span of Antarctic krill (4–7 years; Ikeda et al., 1985), krill populations consist of multiple ... 000µ (2) ( )2~ N 0,i Yα σ (3) ( )2~ N 0,j Aβ σ (4) ( )2~ N 0,ij YAγ σ (5) where ijY is the ... fluc- tuations in mean krill length in the three subareas are shown in Figures 4(a) to 4(c), and the ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Autor(es): Okuda, T. and M. Kiyota
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Estimates of fish stock biomass around South Georgia in January/February 1985
ser dudoso el efecto que estas tengan en la recuperaci6n de las reservas. - 4 - l Introduction ... . Length frequency distribution (fig. 4) indicate that the offshore part of the pripulation was probably ... & BUREAU, 1984, table 50). 3.4 Champsocephalus gunnari Except for one haul yield i ng 1. 4 t/30 min ... estimate was considerably biased by the single haul of l.4 t . Furthermore the benthopelagic mode of li ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Autor(es): Kock, K.-H.
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e-sc-xxxii-a04.pdf
... e-sc-xxxii-a04.pdf Annex 4 Report of the ... –4% of Bcurrent (at the scale of the stock or SSRU) are appropriate for stocks with current status
application/pdf attached to:WG-SAM-13
Meeting Report : WG-SAM-13
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Fishery Report 2018: Dissostichus spp. (Subarea 48.2)
Antarctic toothfish (D. mawsoni) and 4 tonnes of D. eleginoides. Research has continued in 2016 to 2018 in ... data). Year D. mawsoni D. eleginoides 1998 <1 2015 31 4 2016 72 4 2017 67 7 2018 61 3 ... IUU activities in this region between 2006 and 2018. Tag releases and recaptures 4. Since 2015 ... available for this subarea. 4 Model parameters available 7. No specific parameters are available ...
Document : Site Section: Publications
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SC-CAMLR-SSP-2
recuperaci6n de las reservas. - 4 - l Introduction Published information on fish biomass in the ... in estimating the biomass. Length frequency distribution (fig. 4) indicate that the offshore part ... gunnari Except for one haul yield i ng 1. 4 t/30 min catches of C. gunnari were in general less than ... haul of l.4 t . Furthermore the benthopelagic mode of li Ee of this species may have led to an ...
Document : Site Section: The Organisation
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Homogeneity of body length composition of Antarctic krill within the commercial zone
fairly stable (Figure 4). This may indicate that the proportion of various size classes differed from ... compositions. Data Set Type of Length Number of DF X2 p Set Composition Samples -1- -2- -3- -4- -5- -6- 1 ... b 3 26 13.091 0.9831 2 m 3 12 26.091 0.0104* 3 m 2 12 16.767 0.1586 4 b 2 18 15.523 0.6258 5 b 2 ... 2 2 2 2 2 2 2 2 2 -4- -5- -6- 15 8.134 0.9183 14 53.427 0.0000** 18 8.444 0.9713 15 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Autor(es): Ichii, T.
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New Zealand: Review of the Ross Sea region stock assessment
challenges • Effect of the MPA 2 3 4 Stock hypothesis & Model structure Proportion of toothfish ... 3 3 3 1 season 17 31 21 9 6 16 2 seasons 63 35 16 18 9 26 3 seasons 52 33 27 16 49 - 4 seasons ... years together) and rerun the model 4. Calculate the survey biomass cv and rerun the model 25 Data ... 1 0 0 0 1 1 1 0 0 1 0 0 0 0 0 6 2002 683 2 9 4 9 9 13 6 5 2 5 0 3 5 0 0 0 72 2003 862 - 6 13 9 2 9 2 ...
Document : Site Section: Meetings
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Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments
примерно 850 мм. Было отмечено перемещение 4 особей на большое расстояние, что противоречит остальным ... обычного для этих участков диапазона размеров, переместилась с участка A к Кергелену. Эти 4 особи ... , which is derived from the time series of recruitments of age 4 fi sh estimated for HIMI since 1986 ... 22 10 7 20 4 30 6 Fi sh in g gr ou nd C 23 7 50 51 0 18 7 39 13 9 25 Pl at ea u ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Autor(es): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb
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The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)
folded under the carapace and not obvious externally. In all Belchier et al. 4 species the sexes ... some species (Table 3) as well as length–weight relationships (Table 4). Growth In common with all ... S ub ar ea 4 8. 3. C L – ca ra pa ce le ng th ; C W – c ar ap ac e w id th ... 00 80 –1 4 00 21 4– 1 04 3 64 –1 25 Si ze -a t-m at ur ity (m m ) – m al ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Autor(es): Belchier, M., T. Peatman and J. Brown