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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
Likely (5) 0 5 10 15 20 25L ik el ih oo d Almost certain (6) 0 6 12 18 24 30 Martin-Smith 184 ... extirpations. 25–50 One–few years 4 Severe Substantial loss to structure or function of ecosystem. Many ... species extirpated. 50–90 Years–decades 5 Catastrophic Complete loss of ecosystem. All species ... ) Remote (1) 0 1 2 3 4 5 Rare (2) 0 2 4 6 8 10 Unlikely (3) 0 3 6 9 12 15 Possible (4) 0 4 8 12 16 20 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Autor(es): Martin-Smith, K
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
continental slope and shelf of the Ross Sea at depths from 30 to 120 m, during the Italian expeditions of 1997 ... 21 41 8 45 3 20 9 56 93 3 30 11 5 47 13 7 % b y nu m be r 82 .3 % 82 .9 ... specific ventral sacs (from 12–15% of first year to 20–32% dry weight (DW) of second year; DeVries and ... , were conducted in the southeast of the continental slope and shelf of the Ross Sea at depths from 30 ... plateau de la mer de Ross à des profondeurs de 30 à 120 m, au cours des campagnes d'évaluation italiennes ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Autor(es): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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Response to Everson (2008)
., 2001 for the CCAMLR- 2000 strata). Stratum biomass is determined from the mean transect density raised ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 195–198 : Autor(es): Brierley, A.S., B.G. Heywood and S.F. Gull
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Methods of age determination for mackerel icefish (Champsocephalus gunnari Lönnberg 1905) from the South Georgia Island shelf
age assessments of fish longer than 30 cm having an enlarged otolith centre. An age/length key for the ... third quarter of the year was also calculated. File: 04-Frolkina.pdf ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 37–49 : Autor(es): Frolkina, Zh.A.
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
fishery of varying intensity, in peak years yielding a total catch of over 100 000 tonnes (Kock, 1992 ... account for 20% of the total mass (Kock, 1992; Everson et al., 1996). Arising from this, we envisage two ... consider only those fish greater than or equal in total length to 30 cm. This group is composed of ... been measured and which were 30 cm or greater in total length: males: total mass = 0.001322.L,"J5 ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Autor(es): Everson, I. and K.-H. Kock
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Potential nursery areas for fish in the Prydz Bay region
antarcticum. This species was abundant (up to 9 100 were caught in a 30 minute haul) especially near the shelf ... . antarcticum catches. 375 -64 individuals/30 minute trawl 1 5 0 10 0 20 0 Q) "Cl 0 B 30 :;l ... . 377 -64 individuals/30 minute trawl 1 5 0 10 0 0 Cl) 20 -d 0 E 000 0 30 0 :.;::l 0 .s ... were caught in a 30 minute haul) especially near the shelf break. The dominant size class was of 45 mm ... du plateau. Cette espece etait abondante (un trait de 30 minutes a capture jusqu'a 9 100 poissons ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 369–380 : Autor(es): Williams, R.
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
), comparison between years results naturally in a new level added at the top. Exact F tests are obtained ... dividing the mean square for "years" group by the mean square for "dates-within-years" group. Given the ... Model 11 ANOVA), the expected mean square for "years" group is: (1) 553 where aicp is the ... penguins sampled each day, c?oCY is the variance component of "dates-in-years" group, nD is the number ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Autor(es): Marschoff, E. and B. Gonzalez
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
e f i sh ing s ea sons ( sp l i t -years 1993/94 t o 1995/96) (CCAMLR, 1993) and has been ... . spinosissima, a number of interesting points can be raised from the results presented in Figure 3. First ... on 20 November, 1995. During this period, the vessel hauled 79 strings of gear which were set in ... extended (in a slightly revised format) for another three f ishing seasons (to the 1997/98 split-year ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Autor(es): Watters, G
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Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
required by the conservation measure (6 kg at 20 m intervals) was derived from a study of bird strikes in ... which has participated in the longline fishery around South Georgia for the past several years, and ... petrel T = Treatment Set No. 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 1 22 23 ... PRO 32 34 47 18 45 50 45 30 47 21 42 29 42 70 39 48 42 3 8 40 10 9 4 45 7 47 17 14 3 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Autor(es): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
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Toothfish, Dissostichus eleginoides, at South Georgia
Dissostichus eleginoides fishery at South Georgia has expanded greatly in recent years. It has been claimed ... 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 : Autor(es): Everson, I. and S. Campbell