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1. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

   after odontocetes begin to depredate, while Patagonian toothfish catch rates notice- ably drop ... to illegal, unre- ported and unregulated (IUU) fishing in the late 1990s. IUU fishing was ended in 2003 ... conservation issues. However, estimating the amount of resource depredated can be especially challenging when ... depredation occurs on fish in the marine environment. This is the case for killer whales (Orcinus orca) and ... sperm whales (Physeter macrocephalus) depredation on the demersal Patagonian toothfish (Dissostichus ... eleginoides) longline fishery operating within the Crozet Islands EEZ (southern Indian Ocean). This study ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Author(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

2. Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen

   of a HillQuist Thin Section machine, each otolith was ground from the anterior end to give a transverse plane ... otoliths from reference collections were used to measure precision; relative bias for the age data was ... showed discrepancies due to gear-specific catchability, or differences in the available population with ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Author(s): Ashford, J., G. Duhamel, C. Jones and S. Bobko

3. Directed research. Antarctic Marine Living Resources (AMLR). A program development plan

   ,l(HHtJeCTBa CHCTeMY yrrpaBJIeHHJI ~HBbIMH pecypcaMH 3KOCHCTeMhl AHTapKTHKH. Yt{acTHe CIlIA HarrpaBJIeHO Ha ... plan Abstract / Description:  The US Antarctic Marine Living Resources (AMLR) Program is a national ... program providing information needed for US policy regarding the conservation and management of the marine ... living resources in the ocean areas surrounding Antarctica. The program is in support of US participation ... in the Commission and Scientific Committee of the Convention for the Conservation of Antarctic Marine ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Author(s): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)

4. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

   southern shelf MPA is at the lower end of the meso-scale (~100 km in linear boundary extent ... conservation planning for developing marine spatial protection includes analysis of the spatial distribution of ... fishing activities, existing management and ecological characteristics. This paper assesses the overlap ... between habitat (bioregion), existing spatial management and Antarctic krill catch in the Southern Ocean ... . The analysis required standardised information on the location and extent of spatial fisheries ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Author(s): Grant, S.M., S.L. Hill and P.T. Fretwell

5. Editorial

   Paper Title:  Editorial Abstract / Description:  This is the 18th volume of CCAMLR Science and the ... contents reflect the important science that supports CCAMLR’s management of the marine living resources of ... the Southern Ocean. In particular there is a suite of papers that address key aspects of improving ... assessment of the population status of toothfish and of assessing the risk associated with gathering data and ... Science, Vol. 18 (2011): 167 167 This is the 18th volume of CCAMLR Science and the contents reflect the ... important science that sup- ports CCAMLR’s management of the marine living resources of the Southern Ocean ... . In particular there is a suite of papers that address key aspects of improving assessment of the ... population status of toothfish and of assessing the risk associated with gathering data and interpreting ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 167 : Author(s): Editors

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

   or large-mesh sections. Therefore, the effective catching zone of the IKMT begins immediately ... / Description:  This paper describes the results of fishing a single krill aggregation with a commercial trawl ... RT 72/308 and an Isaacs-Kidd midwater research trawl (IKMT). The commercial trawl catches contained ... more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in ... krill length composition was observed between catches made by the research trawl, while in commercial ...

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

7. Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels

   between 800 and 1 200 m by weights attached to each end of the line. While sperm whales are able to dive ... toothfish (Dissostichus eleginoides) in the Crozet and Kerguelen Islands Exclusive Economic Zones (EEZs ... ) between 2003 and 2005. In the Crozet EEZ, the reported interactions involved killer whales and sperm ... whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... longlines set. In the Kerguelen EEZ, the reported interactions involved sperm whales and fur seals. These ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Author(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel

8. Statistical problems in krill stock hydroacoustic assessments

   range of a penguin, personal communication John Bengtson). The point is that if we can begin to isolate ... :  Two primary issues are at question for hydroacoustic assessments of krill. The first is the methods ... applied to establish biomass in a survey area and the second is the improvement in accuracy of target ... -strength measurements. In the case of statistical methods, there are no clear guidelines for deciding what ... method is most appropriate, this is made even more difficult by the fact that most survey methods assume ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Author(s): Macaulay, M.C.

9. A hybrid approach to acoustic classification and length estimation of krill

   . Design of the prototype probability density functions To begin with, the three sets of , hB Δ ω were ... / Description:  The problem of acoustically identifying and estimating the sizes of two euphausiid species is ... components are the mean ratios of the volume backscattering coefficients, measured at two different ... frequencies. The decisions on the species and the relative misclassification errors are calculated ... are derived by integrating the individual decisions. The size structure of the classified aggregation ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Author(s): Azzali, M., I. Leonori and G. Lanciani

10. Krill biomass in Area 48 and Area 58: recalculations of FIBEX data

    , 1991a). The start of the FIBEX survey was 16 January 1981 and the end was 12 March 1981 (excluding ... NellaDan andDr Eduardo L. Holmberg). * For NellaDan the NEW PA is derived by multiplying theBIO estimate ... / Description:  FIBEX acoustic and length frequency data held in the BIOMASS database were used to provide ... estimates of mean density and biomass for the Indian Ocean sector and the West Atlantic sector as well as ... estimates were calculated using the target strength relationships used at the original FIBEX acoustic ... workshop. Estimates for the different areas were also calculated using the target strength relationships of ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Author(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss

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