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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
Paper Title: Significant conservation benefits obtained from the use of a new fishing gear in the ... the implementation of the modification. The number of seabirds killed in 2002 was 1 542 compared to ... zero in 2006; there was also a reduction in depredation of the catch from a maximum of 5% in 2002 to a ... maximum of 0.36% of the total catch in 2006. The fishers who developed the net sleeve modification called ... Significant conServation benefitS obtained from the uSe of a neW fiShing gear in the chiLean Patagonian ... estimates was made using the mean and upper 95% confidence interval (CI) of the dep- redation rate. In the ... the same fleet in the same fishing grounds prior to the implementation of the modification. The ... depredation of the catch from a maximum of 5% in 2002 to a maximum of 0.36% of the total catch in 2006. The ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Autor(es): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)
Paper Title: Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in ... inter-annual variability in distribution, density and biomass of the most abundant species of myctophids ... level of variation. The most large-scale and dense concentrations of E. carlsbergi were observed in ... concentrations. Calculations of biomass of E. carlsbergi in the area indicated that its variability during the ... THE DISTRIBUTION OF ELECTRONA CARLSBERGI IN THE SOUTHERN POLAR FRONT AREA (THE AREA TO THE NORTH OF ... to 1989 VNIRO (USSR) conducted six trawl and acoustic surveys in the area to the north of South ... interannual variability in distribution, density and biomass of the most abundant species of myctophids ... fish concentrations. Calculations of biomass of E. carlsbergi in the area indicated that its ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Autor(es): Kozlov, A.N., K.V. Shust and A.V. Zemsky
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
Paper Title: Optimization of survey sampling design in the detection of interannual variability ... and prey size selectivity in the diet of penguins Abstract / Description: Based on the preliminary ... results of a survey of prey size in Adélie penguins, sampling designs intended for the detection of inter ... the optimal allocation of observations at each level in nested ANOVA designs. The optimal numbers of ... penguins, sampling designs intended for the detection of interannual variations in mean prey size and ... detection is also discussed. 2. DETECTIONOFINTERANNUAL VARIATIONS IN THE MEAN SIZE OF KRILL EATEN BY ... confidence intervals respectively: = 2.63 ~ 3 = 25.03 :::; 26 A 10% change in the mean of two years ... a test power of 0.9 for the detection of a 10% variation in the mean size of krill eaten by ...
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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A declining trend in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons observed in fjords in two sites in the South Shetland Islands
Paper Title: A declining trend in the abundance of Notothenia rossii marmorata and Notothenia ... trend observed in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons in fjords in ... -Moon I., Moon Bay, in 1989. The analysis was based on the proportion of catches of the abovementioned ... of standardized catch data by expressing the catches of N. rossii and N. gibberifrons in proportion ... WG-FSA-90/14 A DECLINING TREND IN THE ABUNDANCE OF ... of Notothenia rossii marmorata and Notothenia gibberifrons in fjords in two sites in the South ... . The analysis was based on the proportion of catches of the abovementioned species in relation to ... catch data by expressing the catches of N. rossii and N. gibberifrons in proportion to the catches of N ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 263–274 : Autor(es): Barrera-Oro, E. and E. Marschoff
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Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)
Paper Title: Factors affecting the incidental mortality of seabirds in the Dissostichus ... in vessels' analyses of catch of birds per unit effort (BPUE), as well as of the haul-by-haul ... eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season) Abstract / Description: This paper ... Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3 during the 1995 season. The data was obtained ... of concern for the linked to an increase in fishing effort in the Commission for the Conservation ... THE INCIDENTAL MORTALITY OF SEABIRDS IN THE DISSOSTICHUS ELEGlNOlDES FISHERY IN THE SOUTHWEST ... for Incidental Mortality of Seabirds in the D. eleginoides Fishery D. eleginoides in 1991. In ... 1993 the Commission of mortality in relation to the lunar phase, hook decided to establish an ad hoc ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Autor(es): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen
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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 ... myctophids demonstrate that this group of mesopelagic fish plays a significant role in the community of ... Southern Ocean ecosystem Abstract / Description: Results of research into the trophic relationships of ... Southern Ocean marine organisms. Myctophids have the trophic status of zooplankton consumers. The large ... TROPHIC ROLE OF MESOPELAGIC FISH OF THE FAMILY MYCTOPHIDAE IN THE SOUTHERN OCEAN ECOSYSTEM A.N. Koz.10 ... demonstrate that this group of mesopelagic fish plays a significant role in the community of Southern Ocean ... . Myctophids dominate in terms of the number of species, their widespread distribution and the abundance of ... volume of data which is currently assisting not only in determining the main ecological characteristics ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Autor(es): Kozlov, A.N
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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
Paper Title: Experimental evaluation of the effectiveness of weighting regimes in reducing ... of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to examine the ... regimes. The importance of a good design in experiments of this type is emphasised, because even though ... seabird by-catch in the longline toothfish fishery around South Georgia Abstract / Description: A series ... required by the conservation measure (6 kg at 20 m intervals) was derived from a study of bird strikes in ... EVALUATION OF THE EFFECTIVENESS OF WEIGHTING REGIMES IN REDUCING SEABIRD BY-CATCH IN THE LONGLINE ... effective line-weighting regimes. The importance of a good design in experiments of this type is emphasised ... toothfish (Dissostichus spp.) in the CCAMLR Convention Area started in 1989 and has since become one of ...
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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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)
/ Description: The development of models of marine ecosystems in the Southern Ocean is becoming increasingly ... are identified and discussed. Spatial and temporal gaps in knowledge of the populations, habitats and ... Paper Title: 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) Abstract ... DIET OF ICE-BREEDING SEALS IN THE SOUTHERN OCEAN C. Southwell* Australian Antarctic Division ... of models of marine ecosystems in the Southern Ocean is becoming increasingly important as a means ... steps for improving ecosystem models. This review focuses on seals that breed in ice habitats of the ... identified and discussed. Spatial and temporal gaps in knowledge of the populations, habitats and diet of ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Autor(es): 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
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Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999 Abstract ... / Description: The distribution and internal structure of commercial krill concentrations were investigated in ... the areas of the South Shetland, Elephant, South Georgia and South Orkney Islands in the spring and ... in May and June it decreased. From February to June the period of daylight becomes progressively ... (see catch statistics in CCAMLR, 2001a). The mean density of krill concentrations from 1997 to 1999 ... correlation was found between krill size and the depth of oc- currence. An increase in mean length was some ... in Polish commercial catches, 1997–1999 Figure 7: Mean length of krill caught in 1997 during the day ... , 1997–1999 Figure 9: Mean length of krill caught in 1999 during the day by depth strata in: the South ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Autor(es): Jackowski, E
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
Paper Title: Is current management of the Antarctic krill fishery in the Atlantic sector of the ... krill (Euphausia superba) fishery in the Atlantic sector of the Southern Ocean, and current knowledge ... about the state of the regional krill stock. In this region, krill fishing is permitted in an area of ... 1991, is 0.62 million tonnes year –1, equivalent to ~1% of the regional biomass estimated in 2000. Each ... precautionary. In the context of CCAMLR’s conservation objectives, this means that these measures should be ... ., 2014; Kinzey et al., 2015). Net data show numerical densities below 25% of the long-term mean in 13 ... decline in the mean numerical density of post-larval krill in the 1980s (Atkinson et al., 2004, 2008). A ... in Subarea 48.2 in 2000. The value shown is the mean of the 2011, 2012 and 2014 estimates. 41 ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Autor(es): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins