Search results
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Sharks by-catch observed on bottom longlines fishery off the Kerguelen Islands in 2006–2016, with a focus on Etmopterus viator
bycatch within the Kerguelen EEZ (northern part of the plateau). From 2006 to 2016, crew reported the ... total catches of the line and observers were asked to identify and count fish bycatch on 25% of the ... distributions of the shark bycatch species and their relative abundance. Length-frequency for E. viator showed a ... bimodal distribution characterizing a long-lived species and stopping growth of adults. The study also ...
Meeting Document : WG-FSA-18/25 : Author(s): C. Chazeau, S.P. Iglésias, N. Gasco, A. Martin and G. Duhamel
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Second progress report of the CEMP Special Fund overwinter penguin tracking project
Abstract: We provide a 2 nd update on the progress of our project “Tracking the overwinter ... habitat use of krill-dependent predators from Subarea 48.1”. The project was initiated with support from ... the CEMP Special Fund in 2015/16. Of 150 tags purchased in 2016, all have been deployed and the data ... collection phase has recently concluded. As of 28 May 2018, the last viable tags had ceased transmitting and ...
Meeting Document : WG-EMM-18/24 : Author(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire and G. Milinevsky
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Depth and temperature preferences of Antarctica toothfish (Dissostichus mawsoni) from a pilot popup satellite archival tag study in the Mawson Sea
mawsoni) released in the Mawson Sea were analyzed. Toothfish were at liberty for 36-366 days, and yielding ... appeared to have remained in the Mawson Sea area for the majority of time at liberty. The recaptured ... individual exhibited distinctive vertical ascents only in September, during the presumed spawning season, and ... was estimated to be near shore in the Mawson Sea. These ascents could represent characteristic ...
Meeting Document : WG-FSA-18/22 : Author(s): C.H. Lam, S.-G. Choi, E. Kim, S. Chung, J. Lee and D.H. An
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Revised continuation proposal of a multi-Member longline survey on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b in 2018/19 by Japan and France
Abstract: Japan and France revised a plan to continue to investigate the populations of ... Patagonian toothfish (Dissostichus eleginoides) in the Division 58.4.4b during the next fishing season (2018 ... /19) from 2017/18 onwards, using standardized longline gear, and established tagging techniques. The ... proposed research is relevant and take into account issues raised by the Scientific Committee (SC-CAMLR ...
Meeting Document : WG-FSA-18/44 : Author(s): Delegations of Japan and France
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Outline of a research program to investigate the abundance, abundance trends and stock structure of large whales in the Indo-Pacific region of the Antarctic, including a survey plan for the 2019/20 austral summer season
Abstract: This paper outlines the objectives, survey and analytical procedures and work schedule ... of a new non-lethal research program on whales and the ecosystem in the Indo-Pacific region of the ... Antarctic (JASS-A= Japanese Abundance and Stock structure Surveys in the Antarctic). The main research ... objectives are i) the study of the abundance and abundance trends of Antarctic minke and other large whale ...
Meeting Document : WG-EMM-2019/68 : Author(s): Delegation of Japan
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Indicators of krill flux at various spatial-temporal based on the data of multi-year research carried out in the Scotia Sea. Comments on krill fishery management
Abstract: The subject of research was geostrophic circulation of water masses, spatial ... flow at various spatial-temporal scales in the Scotia Sea. According the discussion at WG-EMM-2018 ... (paragraph 2.24-2.27), particular attention is paid to the special field studies across time to improve ... understanding of krill biomass dynamic. It has been shown that the formation of transport of krill in the ...
Meeting Document : WG-EMM-2019/58 : Author(s): S. Kasatkina and V. Shnar
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A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies
(IWLS) da como resultado un promedio de la talla por edad bastante menor para los peces de mayor edad ... ) and Candy (2005). Troynikov (1999) used Bayes theorem to defi ne a maximum likelihood estimation proce ... aged. Subsampling of random lengthfrequency (LF) data used to obtain the samples of fish for ageing ... used length-bin sampling involving a fixed sample size per bin. Estimation of the VB parameters used a ... definition of the likelihood function based on variable probability (VP) sampling due to the prespecified ... length-dependent selectivity function for trawl fishing and the additional effect of length-bin sampling ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Author(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
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Observation on the interactions between marine mammals and mid-water krill trawl
Abstract: An observation on the interaction between marine mammal and krill midwater trawl was ... carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... conducted visually with the aid of a SLR Camera and a Marine Binocular. Sea surface observation in Subarea ... 48.3 showed that the number of fur seal (Arctocephalus gazelle) around the fishing vessel increased ...
Meeting Document : WG-FSA-2019/60 : Author(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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Information on illegal fishing in Statistical Area 58 Assessment of illegal fishing in French waters around Kerguelen and Crozet Islands Report of observations and inspections in the CCAMLR Area 2010/11 season (1 July 2010–15 August 2011)
throughout the year. It has proved to be effective, in that there is no longer any sign of IUU fishing in ... unregulated (IUU) fishing over the past year, and reports on implementation of the CCAMLR Inspection System ... taken to fight it. The geographical area covered in this study comprises Statistical Subarea 58.6 and ... Divisions 58.5.1 and 58.5.2, including the French Exclusive Economic Zones (EEZs) around Crozet and ...
Meeting Document : CCAMLR-XXX/34 : Author(s): Délégation française
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Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator–prey interaction lead to erroneous conclusions about precaution
that can help conserve marine predators. Uncertainty about the impacts of fisheries removals on ... dependent predators bolsters this perspective, but consideration of the spatio-temporal scales over which ... are as precautionary as presumed. Antarctic krill are targeted by the largest fishery in the Southern ... penguin performance are predicted to be below the long-term average with a probability of 0.77. Catch ...
Meeting Document : WG-EMM-2019/11 : Author(s): G.M. Watters, J.T. Hinke and C.S. Reiss