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1. Statistical problems in krill stock hydroacoustic assessments

   :  Two primary issues are at question for hydroacoustic assessments of krill. The first is the methods ... accuracy, even if the present values were very accurate, the issue of interest would seem ... to be not the absolute amount of biomass present in an area, but rather how it is distributed. The issue of patchy years ... Two primary issues are at question for hydroacoustic assessments of krill. The first is the methods ... HYDROACOUSTIC ASSESSMENTS M.C. Macaulay Abstract Two primary issues are at question for hydroacoustic ... very accurate, the issue of interest would seem to be not the absolute amount of biomass present ... in an area, but rather how it is distributed. The issue of patchy years vs more even distribution would ... 2. GENERAL STATUS AND NEEDS The first issue is that of large statistical variances. Hydroacoustic surveys ...

   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.

2. Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects

   of an area stratum by fishing year interaction as an additional random effect in the GLMM is investigated ... . Fitting the stratum-by-year interaction as a fixed effect is problematic since it requires weighting ... -by-year interaction as a random effect avoids this difficulty, and diagnostic methods to evaluate ... the validity of considering this interaction as random are described. The methods are demonstrated using catch ... by fi shing year interaction as an additional random effect in the GLMM is investigated. Fitting ... the stratum-by-year interaction as a fi xed effect is problematic since it requires weighting ... -by-year interaction as a random effect avoids this diffi culty, and diagnostic methods to evaluate ... the validity of considering this interaction as random are described. The methods are demonstrated using catch ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Author(s): Candy, S.G

3. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were tagged ... at that latitude in 2001. File:  07marlow-etal.pdf ... recaptured to date were tagged and released during experimental pot fishing in 2000 and 2001, and have been ... tagging carried out on a toothfish pot vessel in international waters at that latitude in 2001. ... and released during experimental pot fi shing in 2000 and 2001, and have been at liberty from one to two years ... on a toothfi sh pot vessel in international waters at that latitude in 2001. Résumé En 2000, le Royaume-Uni ... 2000 et 2001 et étaient donc en liberté depuis un ou deux ans. Quatre poissons ont été marqués et ... en eaux internationales à cette latitude en 2001. Резюме В 2000 г. Соединенное Королевство ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Author(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

4. Archival and satellite-linked data recorders

   Paper Title:  Archival and satellite-linked data recorders Abstract / Description:  This paper ... Archival and satellite-linked data recorders ... - 475 - WG-CEMP-87/15 ARCHIVAL AND SATELLITE-LINKED ... I1H~opMa~l1lO. - 477 - ARCHIVAL AND SATELLITE-LINKED DATA RECORDERS Roger D. Hill Wildlife ... into two sections : Archival Recorders, which are attached to the animal of interest and subsequently ... I. ARCHIVAL DATA RECORDERS An archival recorder is an instrument which gathers data (.e.g. depth ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Author(s): Hill, R.D.

5. Spawning locations of mackerel icefish at South Georgia

   CCAMLR Scierzce, Vol. 8 (2001): 107-118 SPAWNING ... nouvelles donnees issues des p6cheries commerciales et des campagnes de recherche. Les auteurs arrivent la ... sector. Information on larval fish distribution came from several research cruises. During August 1983 ... low during February and also from June to August. There was a sudden increase in numbers in March ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Author(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock

6. Modelling and decision making as part of the CCAMLR management regime

   of suitable simulations of important Antarctic marine ecosystem interactions and to facilitate the formulation ... simulations of important Antarctic marine ecosystem interactions and to facilitate the formulation ... Antarctic marine ecosystem interactions and to facilitate the formulation of a suitable decision-making ... interactions importantes de l'ecosysteme marin de l'Antarctique et pour faciliter la formulation d'un ... , simulations of Antarctic marine ecosystem interactions (e.g. May et al 1979; Beddington 1980; Beddington ... on important Antarctic marine ecosystem interactions. - 298 - As Starfield et al (1986) have indicated ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.

7. Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf

   0.20 1 510 2000 3 489 752 1.57 0.33 2 281 2001 7 687 625 0.91 0.18 2 090 2002 2 434 1 365 3.17 0.56 ... . SSRU Fishing year Total 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 881A ... 2 60 158.3 2.64 0.47 2008 2 14 7.9 0.57 1.03 881L below 77°30'S 2001 2 156 102.4 0.66 0.52 ... –700 m. Most fishing was carried out by two autoline ves- sels in 2001 as a result of the slope ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Author(s): Hanchet, S.M., S. Mormede and A. Dunn

8. A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements

   effective at reducing sea- bird attacks and mortality than a single streamer line (Melvin et al., 2001 ... to be more effec- tive than the streamer line specifi ed by CCAMLR (SC-CAMLR, 2002; Fenaughty, 2001; Smith ... , 2001). Based on these observations, the CCAMLR ad hoc Working Group on Incidental Mortality Arising ... in order to achieve seabird conservation in world longline fi sheries (Melvin and Robertson, 2001 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Author(s): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke

9. Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database

   , the principal threat to many species is from interaction with fisheries (Robertson and Gales, 1998; Croxall et ... of at-sea observation data (e.g. White et al., 2001; Woehler et al., 1999), but are also among the most ... areas where there is potential interaction with fisheries. Data holders submitted Geolocator (GLS ... periods that apply to Subarea 48.3 (open 1 May–31 August, closed 1 September–30 April). Assessment ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Author(s): BirdLife International (prepared by C. Small and F. Taylor)

10. Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias

    that issues overlapping all three phases result from the spatial distribution of tagged fish, movement ... and mixing post-release, and the spatial distribution of recapture effort can interact to introduce bias ... , and the consequent risk of overfishing, is a higher priority issue than maximising the catch during the development ... of remediating the issue (see Table 1), and potential mitigation or remediation measures. M and M̂ are the true ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Author(s): Welsford, D.C. and P.E. Ziegler

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