Resultados de la búsqueda
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Mitigation of Macrourus by-catch in research block 58.4.1_6 and estimation of Macrourus biomass and sustainable catch in Divisions 58.4.1 and 58.4.2
Abstract: Macrourus spp. are the major by-catch species in the exploratory toothfish fishery in ... ) avoidance, ii) mitigation and iii) the setting of sustainable by-catch limits if mortality is not ... with high Macrourus spp. by-catch rates in depths between 750 m and 1150 m. To mitigate Macrourus spp ... . by-catch in future fishing seasons, we propose to either (1) modify the research grid such that the ...
Meeting Document : WG-FSA-17/23 : Autor(es): D. Maschette, P. Burch, P. Yates and P. Ziegler
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Spatial pattern of major by-catch fishes at Division 58.4.4b during 2012/13–2016/17
Abstract: This paper represents the by-catch analysis results of a multi-Member longline survey ... on Patagonian toothfish (Dissostichus eleginoides) at Division 58.4.4b by France and Japan. The data ... set, C2 and scientific observer data, was provided by the CCAMLR Secretariat on the 3th August, 2018 ... (Antimora rostrata), GRV (Macrourus spp.), and RFA (Raja taaf) are common by-catch species, which are caught ...
Meeting Document : WG-FSA-18/68 : Autor(es): Delegations of Japan and France
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By-catch observation during krill fishing cruise (48.1, 48.2 Statistical Subareas, 2011)
Abstract: 359 Antarctic krill catches were analysed for by-catch, it took 48.5% of observed ... catches and 31.3% of total catches. Fish by-catches were usual in the sector 48.1 (89.1% of cases); the ... most of by-caught fishes belonged to families Nototheniidae (NOX) (66.3%). Fish by-catches in the ... (LXX). Author(s): K. Vyshniakova (Ukraine) Title: By-catch observation during krill fishing cruise ...
Meeting Document : WG-FSA-11/41 : Autor(es): K. Vyshniakova (Ukraine)
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Genetic identification of fish caught as by-catch in the Antarctic krill fishery and comparison with observer records
48.1, 48.2 and 48.3) were identified by DNA barcoding and results compared with morphological ... identifications made on vessels by scientific observers. A total of 344 fish (primarily in the families ... provided by observers were good for the common species Champsocephalus gunnari and Lepidonotothen larseni ... Chaenodraco wilsoni icefish (n=67) identified by an observer were actually Chionodraco rastrospinosus based on ...
Meeting Document : WG-EMM-18/30 : Autor(es): A. Polanowski, J. Clark, D. Maschette, D. Welsford and B. Deagle
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DEVELOPING FOUR PLAUSIBLE PARAMETERISATIONS OF FOOSA (A SO-CALLED REFERENCE SET OF PARAMETERISATIONS) BY CONDITIONING THE MODEL ON A CALENDAR OF EVENTS THAT DESCRIBES CHANGES IN THE ABUNDANCES OF KRILL AND THEIR PREDATORS IN THE SCOTIA SEA
with the agreed calendar, as specified by the WG-SAM, that describes changes in the abundances of krill ... information in the literature and following specifications laid out by the WG-SAM. These base ... winter of life. The dynamics predicted by our base parameterizations were loosely consistent with the ... direction and timing of changes in predator abundance specified by the numerical calendar from Hill et al ...
Meeting Document : WG-EMM-08/13 : Autor(es): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)
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A history of the acquisition and analysis of sea-ice data by CCAMLR
Abstract: This paper was requested by WG-EMM in 1995 (SC-CAMLR-XIV, Annex 4, paragraph 6.49). In ... 1990, and following a pilot study carried out by the Secretariat sea ice data derived from US Joint Ice ... Centre ice charts were routinely acquired and analysed by the Secretariat from 1993. An alternative ... source of data, digital images produced by the US National Snow and Ice Data Centre, with a relatively ...
Meeting Document : WG-EMM-96/15 : Autor(es): Agnew, D.J.
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Catch and effort data for the longline fishery in Subarea 48.3 – comparison of data reported to CCAMLR and data acquired by the UK between 1994 and 1996
Abstract: Haul by haul data acquired by the UK from longline fishing for Dissostichus eleginoides ... as single records. A number of hauls yielding zero catches present in the data acquired by the UK ... discrepancies between the CCAMLR database and the data acquired by the UK declined from 1994 to 1996. However ... , there were a considerable number of discrepancies between the CCAMLR data and those acquired by the UK ...
Meeting Document : WG-FSA-97/37 : Autor(es): Parkes, G.B., Pearce, J., Agnew, D.J.
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By-catch of fish during a 1995/96 deep-sea longline experimental fishing cruise off the Kerguelen Islands (Division 58.5.1)
1996. The by-catch has been identified with 10 species of fish reaching a important part (36,1%) of the ... Bathyraja irrasa are the dominant species in the by-catch. The morid Antimora rostrata is also a common by ... and bathymetrical differences in the by-catch species distribution is noted. The mean abundances ... follow the differences. Size distribution in the main by-catch species show that some, like the ...
Meeting Document : WG-FSA-96/36 : Autor(es): Pruvost, P., Duhamel, G.
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Fish by-catch in the krill fishery: 2016 update
SISO data (11875 hauls) was used to examine the frequency of occurrence, proportion by mass, length ... Chaenodraco wilsoni the most frequently reported in both datasets. The estimated total annual mass of fish by ... modal size class of <10 cm. The fish species taken as by-catch in the krill fishery are the same ... confidence intervals around the frequency of occurrence data, as well as an increase in the fish by-catch ...
Meeting Document : WG-FSA-16/04 : Autor(es): CCAMLR Secretariat
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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
, distribution, life history, biological characteristics and exploitation by fisheries is discussed. Somniosus ... 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 ...
Meeting Document : WG-FSA-03/69 : Autor(es): E.M. van Wijk, R. Williams and J.D. Stevens (Australia)