Search results
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By-catch in the Australian fisheries in Division 58.5.2
than 1% of the total catch (target plus bycatch). Higher percentage bycatch rates occurred in trawling ... grounds where the fishing effort and therefore target catch was low. Bycatch in the longline fisheries ... was higher, ranging from 6% to 13% of the total catch when only landed bycatch was considered and ranging ... in the C. gunnari fishery. The total skate catch in Division 58.5.2 (including those cut from longlines) was 126.6 ...
Meeting Document : WG-FSA-05/68 : Author(s): E.M. van Wijk (Australia)
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REPORT ON THE PRACTICALITIES OF THE EXISTING CCAMLR 5% BY-CATCH RULE AND THE 10% SMALL CHAMPSOCEPHALUS GUNNARI RULE IN STATISTICAL DIVISION 58.5.2 AND SUGGESTIONS FOR POSSIBLE IMPROVEMENTS
Abstract: This paper describes difficulties encountered in the application of the 5% by-catch ... conducted by Australian vessels. It was found that the by-catch rules were frequently triggered by negigible ... catches of listed by-catch species. Suggestions are given for amendments to the rules to improve ... OF THE EXISTING CCAMLR 5% BY-CATCH RULE AND THE 10% SMALL CHAMPSOCEPHALUS GUNNARI RULE IN STATISTICAL DIVISION ...
Meeting Document : CCAMLR-XVI/12 : Author(s): Delegation of Australia
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Meta-analysis of catch reporting in CCAMLR exploratory fisheries
Abstract: The Secretariat has prepared a meta-analysis of the target and by-catch reported ... to target species divided by the total number of fish caught (the target catch ratio) is used as simple ... metric of the relative level of target and by-catch reported for each haul. This index showed little ... reported in CCAMLR fisheries may include the development of a detailed manual on by-catch sampling as well ...
Meeting Document : WG-FSA-18/14 : Author(s): CCAMLR Secretariat
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By-catch of fishes caught by the fishery vessel Niitaka Maru in the South Georgia area (August to September 2004)
. Among 100 net hauls quantitatively examined, a total of 12 species belonging to 6 families of by-catch ... fishes were occurred in 76 trawl catches. The family Myctophidae, the most abundant taxa during ... , was captured as by-catch of the Nototheniidae, the Nototheniidae were the next in abundance and found in 25 ... % of hauls. Length frequency distribution of by-catch of L. larseni shows this species is composed ...
Meeting Document : WG-EMM-05/19 : Author(s): T. Iwami, T. Hayashi, K. Taki and M. Naganobu (Japan)
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Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2
gunnari. This paper presents available by-catch information for the three fisheries including estimates ... . Preliminary results from a rajid tagging program are also presented. Total removals of by-catch in the trawl ... fisheries are estimated to be very low. From 1996/1997 to 2002/2003, a total of 115 tonnes of by-catch ... represent less than 1% and 2% respectively, of the total catch weight (target and non-target species ...
Meeting Document : WG-FSA-03/73 : Author(s): E.M. van Wijk and R. Williams (Australia)
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This paper presents a new approach to the stratification of catch-at-length data ... the sampled catch based on the median length of Antarctic toothfish for each set using the observer length ... toothfish catch-at-length and catch-at-age from the Ross Sea up to the end of the 2003–04 fishing season ... . Author(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand) Title: Stratification of catch ...
Meeting Document : WG-FSA-SAM-05/8 : Author(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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Fish by-catch in the krill fishery: 2017 update
Abstract: Data on fish by-catch in the krill fishery from commercial catch data (100 153 hauls ... by-catch in the commercial krill fishery catch data. There was a high degree of overlap in the most ... the region in which the krill fishery operates. Author(s): CCAMLR Secretariat Title: Fish by-catch ... Data on fish by-catch in the krill fishery from commercial catch data (100 153 hauls) and CCAMLR ...
Meeting Document : WG-FSA-17/04 : Author(s): CCAMLR Secretariat
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Krill catch distribution in relation to predator colonies 1987 to 1992
Abstract: The distribution of krill catches in relation to land-based predator colonies ... , calculated from CCAMLR fine-scale data, is shown for Subareas 48.1 and 48.2. The pattern of catches in 1992 ... is similar to that seen for other years, with 70% of the total catch from Subarea 48.1 being taken within 100 ... catch from this subarea was taken in the critical period distance, compared to 5 to 78% in previous ...
Meeting Document : WG-KRILL-93/10 : Author(s): Secretariat
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
from April to July 1999. The overall average catch rate of rays was 0.7/thousand hooks, compared ... models demonstrated that there are significant differences between the catch rates of rays for different ... Rocks and South Georgia, achieved average catch rates of over 1 ray/thousand hooks, and 20-30 rays ... / thousand toothfish. Catch rates were lowest to the south and east of South Georgia. The two species most ...
Meeting Document : WG-FSA-99/40 : Author(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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A review of the Somniousus (sleeper shark) subgenus and a risk assessment of the sleeper shark by-catch caught in Australian sub-Antarctic fisheries
antarcticus is caught as by-catch in Australian subantarctic fisheries at Heard and McDonald Islands (Division ... 58.5.2) and Macquarie Island. Based on present by-catch rates, a risk assessment for this species ... monitoring of by-catch of this species is ongoing. Author(s): E.M. van Wijk, R. Williams and J.D. Stevens ... shark by-catch caught in Australian sub-Antarctic fisheries Approval: Approved ...
Meeting Document : WG-FSA-03/69 : Author(s): E.M. van Wijk, R. Williams and J.D. Stevens (Australia)