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1. Mitigation of seabird captures during hauling in CCAMLR longline fisheries

   / Description:  In recent years there has been an increased focus on reducing seabird captures that occur during ... suggest that there are two key aspects of effective BEDs, firstly that they provide a deterrent to ... these two key functional characteristics into the specification of a BED to be deployed by longline ... streamers) This consists of two booms joined by rope, one forward and one aft of the hauling point (Figure ... MRAG Ltd 18 Queen Street, London W1J 5PN United Kingdom Abstract In recent years there has been an ... hauling bay. Data collected by scientific observers since 2003 suggest that there are two key aspects of ... the hauling bay. Based on this analysis, CCAMLR incorporated these two key functional characteristics ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Autor(es): Reid, E., B. Sullivan and J. Clark

2. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   years of post-impact monitoring to detect systematic change with high power unless one were willing to ... variability among years was greater in the guard stage. Estimates of variability were used to explore the ... or trips sampled diminished rapidly when sample sizes were greater than 30 penguins and three trips ... constructed and fitted to data collected at Béchervaise Island over a 12-year period when only natural ... number of impact (step, ramp and trend increases of 25%) and monitoring (1–10, 15, 20, 25 and 30 years ... –10, 15, 20, 25 and 30 years of post-impact ... number of pre-impact years. If the minimum percentage increase from one year to the next that is ... ), and (iii) the effect size is reached after 30 years (0.75% increase per year; trend change), to ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Autor(es): Southwell, C., J. Clarke and L.M. Emmerson

3. Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives

   fish stocks to recover to levels near those giving greatest net annual increment within two to three ... that applying a policy of F 0.1 will not always lead to stock recovery in two to three decades, and ... studies for defining the terms 'depleted' and 'target levels for recovery' are briefly ... been put into effect the target years for recovery become fixed at 20 and 30 years after the procedure ... terms). SIR CV Current PL•20 > 0.95 PONAI.20 = 0.5 PGNAI.30~0.95 Stock at Stock 30 years Lower ... at first spawning = 5 years (knife-edge) Pooled age-class = 20 years Higher yielding stock ... 20 ou 30 annees it venir. Ces mortalites par peche sont fondees sur des descriptions probabilistes ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Autor(es): de la Mare, W.K. and A. Constable

4. Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)

   , their biomass during the period between the two surveys. In addition to the commercial species ... 1987 and 1988 (SKALP surveys; see Duhamel, 1993a), nearly 20 years after the beginning of fish- ery ... from 6 September to 9 October 2006 (with two stations on 19 and 20 October 2006) in the whole area of ... catches comprised 63 fish species (two sharks, three skates, 28 near-bottom and 30 mid- water teleosts ... one or two stations only (or in few stations with very high density but in a limited area), it is ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Autor(es): Duhamel, G. and M. Hautecoeur

5. Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987

   in size with depth was detected. Immature, never spawned fish prevailed (females 80%, males 90 ... 1987. Research within the Australian waters was carried out during two periods : the first from 10 ... scientists, and Australia, by one observer. The research program to be conducted in Australian waters was ... conducted. - 80 - RESULTS The main results of the expedition are briefly reported below, taking ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Autor(es): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba

6. Selectivity of commercial and research trawls in relation to krill

   more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in ... research trawl. The two types of trawl have different catchability characteristics: the research trawl is ... one which needs to be investigated. During recent years one of the main methods of estimating ... of the IKMT trawl. Location 60°44'O"S 55"21f3"W 60°44'O"S 55"2018"W 60°46'2"S 55"2116"W ... large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in mean ... research trawl. The two types of trawl have different catchability characteristics: the research trawl is ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Autor(es): Kasatkina, S.M

7. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   resource. The MP uses two data sources: the recent trend in longline CPUE and the mean length of the ... 20-year projec- tion period is zero under all OMs except for the Pessimistic one for which it is ... for current abundance, and one that reflected a status intermediate between these two extremes. The ... catch: 2026 2007 1 20 s s y y C C = = å , where s represents simulation s. Risk to resource ... catch variation: 2026 1 12007 1 20 y s s ys s yy C C AAV C - -= - = å . Economic viability ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Autor(es): Brandão, A. and D.S. Butterworth

8. Environment–krill relations in the South Georgia marine ecosystem

   were only expressed strongly in years of extreme conditions. The correlation with water temperature was ... ) 0 0 c 70 0 . 5 60 O 8 2 S 5 0 ~ O o 0 W 4 0 - 3 0 r = 0.57 8 30 , 20 - (b) 0 ... 0 73 74 75 76 7 7 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 Year Figure 3: Variation in ... -AT indices were calculated between 50"s and 60"s at 30°W and 40°W, while the M-AT indices were ... calculated between 30"-40°W and 40"-50°W at both 50"s and 60"s (Figure 1). Ice-edge Position Ice-edge ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Autor(es): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky

9. Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program

   (% Current Value) (20 %) 5 5 (30%) 2 3 Sample sizes required for five years of monitoring and a = 0.10 ... required for two years of monitoring and a = 0.05 (5%) 42 66 Smallest Difference (d) (1 0%) 1 2 1 9 ... . Statistical Power (P) 0.6 0.8 Sample sizes required for two years of monitoring and a = 0.05 Smallest ... Difference (d) ( 1 0 %) 34 54 (% Current Value) (20 %) 9 1 4 (30%) 5 7 Sample sizes required for five ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Autor(es): Whitehead, M.D.

10. Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)

    results obtained. Surveys were carried out over brief periods, usually one or two weeks. The design used ... WG-KRILL-90/19 DISTRIBUTION, BIOMASS AND ... forces which facilitate the fonnation of krill concentrations is one of the most important factors ... spawned in the island waters are eventually carried away from the region as indeed are adults. Drift ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Autor(es): Latogursky, V.I., R.R. Makarov and L.G. Maklygin

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