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1. Statistical power to detect changes in growth rates of Antarctic fur seal pups

   only three dates in a season, and potential means of increasing the power of the CCAMLR Ecosystem ... detect a 17% change in the growth rate with a 10% chance of committing Type 1 or Type 2 errors. If only ... total number of pups weighed in a season,by decreasing the time between weighings. File:  23-Boveng-et ... in a season, and potential means of increasing the power of the CCAMLR Ecosystem Monitoring Program ... each sex, weighed on four dates at 28-day intervals) would result in the ability to detect a 17 ... % change in the growth rate with a 10% chance of committing Type 1 or Type 2 errors. If only three samples ... number of pups weighed in a season, by decreasing the time between weighings. Resume Des simulations ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Author(s): Boveng, P., J.L. Bengtson and M.E. Goebel

2. Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?

   . A trial was conducted in the Ross Sea to determine the effectiveness of line setters in increasing ... the sink rates of IW longlines. Time-depth recorders were deployed on lines set with and without a ... line setter using a paired-treatment design. Sink rates of longlines set with and without a line setter ... sink rates. A trial was conducted in the Ross Sea to determine the effectiveness of line setters in ... a line setter using a paired-treatment design. Sink rates of longlines set with and without a line ... vitesse d'immersion des lignes. Un essai a été mené en mer de Ross pour déterminer si les lanceurs de ... déployées à l'aide du lanceur de ligne étaient plus proches de plusieurs mètres de la poupe du navire ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Author(s): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith

3. Estimates of fish stock biomass around South Georgia in January/February 1985

   Abstract / Description:  Catch data from a bottom trawl survey in January/February 1985 have been used to ... . gibberifrons and Ps. georgianus were at a level of about 25 – 40% of that of the pristine state. The stocks ... most greatly affected by fishing are still N. rossii and C. gunnari. Biomass estimates indicate a ... CCAMLR in 1984 are discussed. Their effect on a recovery of the stocks seems, however, doubtful. File ... Abstract Catch data from a bottom trawl survey in January/February 1985 have been used to estimate stock ... and Ps. georgianus were at a level of about 25 - 40% of that of the pristine state. The stocks most ... greatly affected by fishing are still N. rossii and C. gunnari. Biomass estimates indicate a reduction ... CCAMLR in 1984 are discussed. Their effect on a recovery of the stocks seems, however, doubtful ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Author(s): Kock, K.-H.

4. Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)

   eleginoides) took place from 28 June to 27 July 2003. This experiment was carried out by a Spanish longliner ... , following commercial fishing procedures, in a restricted area south of Madagascar and north of Prince Edward ... and Marion Islands and the Crozet Islands, outside EEZs and CCAMLR waters. A total of 57 hauls was ... located at the edge of the principal area of D. eleginoides concentration, in which a residual recruitment ... 2003. This experiment was carried out by a Spanish longliner, following commercial fi shing procedures ... , in a restricted area south of Madagascar and north of Prince Edward and Marion Islands and the ... Crozet Islands, outside EEZs and CCAMLR waters. A total of 57 hauls was made at depths between 360 and 1 ... area of D. eleginoides concentration, in which a residual recruitment effect persists. The total CPUE ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Author(s): López Abellán, L.J

5. Modelling krill recruitment

   Paper Title:  Modelling krill recruitment Abstract / Description:  A method is developed for using ... observed values of the mean proportion of recruits and its variance to model recruitment in a krill ... other parameters consistent with the observed proportional recruitment parameters. A procedure is given ... , Australia Abstract A method is developed for using observed values of the mean proportion of recruits ... and its variance to model recruitment in a krill population in terms of numbers of recruits. The ... proportional recruitment parameters. A procedure is given for generating families of recruitment functions ... , population, modelling, recruitment, mortality, CCAMLR INTRODUCTION In a paper published in this volume ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 49–54 : Author(s): W.K. de la Mare

6. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   years on a subarea and area basis, and between oceanic and shelf regions. Results show that the CPUE may ... differ between subareas, years and shelf/oceanic regions. Obviously, a consistent pattern of CPUE values ... the circumstances, a commercial CPUE index may seriously under- or overestimate the amount of krill ... available in a statistical subarea. Overall length-frequency distributions from commercial fishing ... subareas in single years, between years on a subarea and area basis, and between oceanic and shelf regions ... . Results show that the CPUE may differ between subareas, years and shelf/oceanic regions. Obviously, a ... is expressed in this regard. Depending on the circumstances, a commercial CPUE index may seriously ... under- or overestimate the amount of krill available in a statistical subarea. Overall length-frequency ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Author(s): Siegel, V., V. Sushin and U. Damm

7. Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia

   seabird by-catch in the longline toothfish fishery around South Georgia Abstract / Description:  A series ... attached at 40 m intervals on a Spanish-rigged longline. There was a significant reduction in bird ... regimes. The importance of a good design in experiments of this type is emphasised, because even though ... Abstract A series of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to ... and 12.75 kg attached at 40 m intervals on a Spanish- rigged longline. There was a significant ... effective line-weighting regimes. The importance of a good design in experiments of this type is emphasised ... . Resume Une serie d'experiences menees en fevrier 1999 en Georgie du Sud (sous-zone 48.3) a permis ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Author(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes

8. Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   regard to their use in the Southern Ocean. A brief history of algorithms linking ocean colour to primary ... regional approaches. Using monthly climatologies of SeaWiFS chlorophyll, a phenology of phytoplankton ... regarding phytoplankton species composition and succession is summarised. A review of ecosystem and ... biogeochemical models for the Southern Ocean is presented, with a focus on those models that have been validated ... oceanic reservoir. The Southern Ocean (here mostly defined as south of 50°S) is a vast province with ... use in the Southern Ocean. A brief history of al- gorithms linking ocean colour to primary ... regional approaches. Using monthly climatologies of SeaWiFS chlorophyll, a phenology of phytoplankton ... regarding phytoplankton species composition and succession is summarised. A review of ecosystem and ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Author(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear

9. Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)

   Islands (Antarctic Peninsula) in February–March 2006 and January 2007. A total of 218 specimens were ... ) growth function to the age–length data, a growth curve was obtained for each sex. The estimated values of ... . Like other icefishes, C. wilsoni exhibited a high growth rate until it reached sexual maturity ... , although it had a much shorter life span. The part of the population of C. wilsoni caught in the study area ... PENINSULA) M. La Mesa and A. De Felice ISMAR-CNR, Istituto di Scienze Marine Sezione Pesca Marittima di ... February–March 2006 and January 2007. A total of 218 specimens were selected for the study, consisting of ... females of C. wilsoni. Applying the von Bertalanffy (VB) growth function to the age–length data, a growth ... about 2 years for females and 2.5 years for males. Like other icefishes, C. wilsoni exhibited a high ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Author(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock

10. CCAMLR ecosystem monitoring and management: future work

    management of a single species (Antarctic krill, Euphausia superba), it takes account of the needs of ... predators in the assessment of catch limits. The success of this process is due to the formulation of a ... up to detect the effects of fishing on krill predators. CCAMLR needs to adopt a management procedure ... which has a good chance of maintaining ecological relationships and meeting the needs of predators ... approach was based on the management of a single species (Antarctic krill, Euphausia superba), it takes ... to the formulation of a management procedure which includes decision rules that specify how harvest ... adopt a management procedure which has a good chance of maintaining ecological relationships and ... fi shery for designing a monitoring program to detect the effects of fi shing, and the types of ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Author(s): Constable, A.J

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