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1. Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season

   areas. While catch per towing time reflects within-swarm density, catch per day was thought to be a good ... distributions occurring in different fishing areas. While catch per towing time reflects within-swarm density ... , catch per day was thought to be a good index to measure abundance of a concentration. Comparison ... m to 10 km with different distributions occurring in different fishing areas. While catch per towing time ... reflects within-swarm density, catch per day was thought to be a good index to measure abundance ... the Antarctic ecosystem as a whole. The usefulness of CPUE (catch per unit effort) data as an index of krill ... krill meat (for human consumption), and more than half the total Japanese catch is used for direct ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Author(s): Ichii, T.

2. 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 ... of N. guntheri and D. eleginoides stocks is difficult to assess. The by-catch species N. gibberifrons, Ch ... Catch data from a bottom trawl survey in January/February 1985 have been used to estimate stock ... and D. eleginoides stocks is difficult to assess. The by-catch species N. gibberifrons, Ch. aceratus and Ps ... Abstract Catch data from a bottom trawl survey in January/February 1985 have been used to estimate stock ... and D. eleginoides stocks is difficult to assess. The by-catch species N. gibberifrons, Ch. aceratus and Ps ... Published information on fish biomass in the Southern Ocean is still very limited, The "swep t area ... both in terms of weight and numbers, The method has its limitations (i.a. CARROTHERS, 1981; KOCK ...

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

3. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   by sperm and killer whales on fish catch rate was assessed during September–December 2006. The results were ... ; 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 it ‘cachalotera’ (from ... with regard to seabird mortality and depredation by sperm and killer whales on fish catch rate was assessed ... and depredation by sperm and killer whales on fish catch rate was assessed during September–December 2006 ... 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 ... ranged from entanglement to depredation of catch, or the aggregation of individuals around the ves- sel ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Author(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

4. The relative by-catches of taxa associated with vulnerable marine ecosystems by autolines and Spanish longlines

   Spanish bycatch at all depths represented in our data. Limiting the use of Autolines, which are in more ... (USA) Title:  The relative by-catches of taxa associated with vulnerable marine ecosystems by autolines ... Spanish bycatch at all depths represented in our data. Limiting the use of Autolines, which are in more ... The relative by-catches of taxa associated with vulnerable marine ecosystems by autolines ...

   Meeting Document : WG-FSA-13/41 : Author(s): T. Gerrodette and G.M. Watters (USA)

5. Achievements and Challenges

   management tools including catch limits, gear restrictions, and closures. In 2009, CCAMLR established ... tools including catch limits, gear restrictions, and closures. In 2009, CCAMLR established the world ... -target species. Mitigating incidental catches of seabirds – Effective implementation of science ... that are impacted directly by the action of fishing e.g. through by-catch or incidental mortality. In order ...

   Page : Site Section: The Organisation

6. Conservation Measure Conservation Measure 9/VI (1987)

   Catch Reporting System for Champsocephalus gunnari in Statistical Subarea 48.3 Area:  Subarea 48.3 ... Catch Reporting System for Champsocephalus gunnari in Statistical Subarea 48.3 ... CONSERVATION MEASURE QIVI CATCH REPORTING SYSTEM ... with Conservation Measure 7IV : 1 . For the purposes of this catch reporting system the calendar month shall ... catch for that period and shall, by cable or telex, transmit the aggregated catch for its vessels so ... shall notify all Contracting Parties of the total catch taken during the reporting period, the total ...

   Conservation Measure : 9/VI (1987)

7. Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons

   ; extrapolations must consider location. Linear models fitted to catch per unit effort (CPUE) and cumulative catch ... regressions were probably a result of small catches, inter-haul variability in CPUE, and crab movement ... abundance when larger areas are considered and larger catches are taken. Approximately 6 000 crabs were ... to catch per unit effort (CPUE) and cumulative catch data from the Phase 2 depletion experiments did ... these M releases. An attempt was made to account for assumption 6 by limiting C to catches made within 36 days ... C was also limited to catches made within the area defined by the intersecting arcs of circles drawn around ... ; extrapolations must consider location. Linear models fitted to catch per unit effort (CPUE) and cumulative ... catch data from the Phase 2 depletion experiments did not have significant negative slopes ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Author(s): Watters, G

8. e-sc-viii-a4.pdf

   ... amenable to analyses which use the catch-per-unit searching time to estimate changes in krill abundance ... by changes in an index based on catch-per-unit fishing time. 11. Where changes in swarm size or the number ... of swarms within a concentration have occurred, this can be tracked by changes in indices based on catch ... in different ways. The USSR fishery has survey vessels which detect fishable concentrations and call catching ... fishing vessels are in principle amenable to analyses which use the catch-per-unit searching time to ... swarm has occurred, this can be tracked by changes in an index based on catch-per-unit fishing time ... can be tracked by changes in indices based on catch -per-searching time. 12. When krill was ... should be analysed to provide appropriate indices of abundance based on catch-per-searching time within application/pdf attached to:WS-KCPUE-89

   Meeting Report : WS-KCPUE-89

9. Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics

   otolith morphometrics Abstract / Description:  That the predominant by-catch of grenadier by the toothfish ... , was recognised in 2010 with the identification of a new species, M. caml. Grenadier are the main by-catch ... That the predominant by-catch of grenadier by the toothfish fishery in the Ross Sea region ... with the identification of a new species, M. caml. Grenadier are the main by-catch in the toothfish fishery and modelling ... Grenadiers (Family Macrouridae) are taken as by-catch in many of the toothfish fisheries in the Southern ... are the main by-catch in the fishery for Antarc- tic toothfish (Dissostichus mawsoni) in the Ross Sea region ... (CCAMLR Subareas 88.1 and 88.2) (Stevenson et al., 2014). A by-catch of 10 tonnes of grenadiers ... ; Pinkerton and Bradford-Grieve, 2014; Mormede et al., 2014). Grenadier caught as by-catch and found ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Author(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott

10. On the intensity of sampling krill trawl catches

    Paper Title:  On the intensity of sampling krill trawl catches Abstract / Description:  This paper ... of adequate sample size to obtain representative krill length-frequency distributions from commercial catches ... measurements of length from commercial krill;  catches should be made, as far as possible, by a single observer ... be detectable between catches. Account must be also taken of the desired biological characteristics which ... CATCHES D.G.M. Miller* Abstract This paper uses actual krilllength-frequency data in an attempt ... -frequency distributions from commercial catches. The possible effect of two other factors (within-trawl ... . Attention is drawn to the following: • all measurements of length from commercial krill catches should ... to the minimum length differences which should be detectable between catches. Account must be also taken ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Author(s): Miller, D.G.M.

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