Resultados de la búsqueda
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The use of sea lion exclusion devices in the New Zealand Auckland Islands shelf trawl squid fishery
believe is a viable, practical way to allow sea lions to escape a net when trawling for squid while not ... association with a seasonal trawl fishery for squid. From 1995 through 2004, an estimated 79 (SD ± 35) sea ... Fishery Management Company has undertaken the development of a Sea Lion Exclusion Device (SLED) that they ...
Meeting Document : WG-FSA-05/48 : Autor(es): R. Mattlin (New Zealand)
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Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years
of a commercial fishery (Nicol et al. 2010; Watters et al. 2013), recent declines in seasonal sea-ice ... typically covered by seasonal sea-ice become ice free in some winters (Stammerjohn et al. 2008). For ... Antarctic krill (Euphausia superba), a key forage species (Laws 1977; Smetacek and Nicol 2005) and a target ... extent and duration has negatively impacted their populations (Loeb et al. 1997; Loeb et al. 2009; Saba ...
Meeting Document : WG-EMM-15/05 : Autor(es): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)
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Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea
around South Georgia (SG) and Elephant Island (El) were compared for seven austral summers between 1981 ... and 1997. Estimated densities of krill at El were most often higher than at SG, although this may ... simply have been a function of differences in survey and data analysis techniques used at each site. More ... both SG and El. There was no apparent lag in changes in abundance at each site, and ranked between-year ...
Meeting Document : WS-AREA 48-98/11 : Autor(es): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)
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Educational observer on board fishing vessels in Brazil
schedules, habits, as well as leisure habits while onboard were observed and registered. A query was made in ... show a low level of studies among these professionals. We suggest the implementation of a new concept ... while on board. We believe seabird mortality rate due to incidental capture by fishing vessels can be ...
Meeting Document : SC-CAMLR-XXV/BG/20 : Autor(es): Delegation of Brazil
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Reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in the 2010/11 and proposal of the consecutive survey in the 2011/12
Abstract: In accordance with the Conservation Measure 41-07 (2010), a survey was conducted in ... allocated hauls) of Division 58.4.3b (BANZARE Bank), using a commercial bottom longline vessel Shinsei Maru ... released alive) of Dissostichus spp. and other bycatch species was 12.0 tonnes in the SE sector, where the ... caught. CPUE of Dissostichus spp. was 105.9 ± 16.2 kg / 1,000 hooks (mean ± SE) for the hauls where ...
Meeting Document : WG-SAM-11/05 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)
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The survivorship of rays discarded from the South Georgia longline fishery
results we can conclude that depth has a significant influence on the mortality of skate, with a predicted ... mortality of 0% for skate caught in waters of less than 1100m. A predicted mortality of 65% for skate caught ... in waters between, 1400 to 1600m and a mortality of 100% for skate caught at 2000m. We recommend from ... landing (FSA-02 Para 5.78), as this will help ensure survival chances of skate are maximised. Results from ...
Meeting Document : WG-FSA-03/57 : Autor(es): M. Endicott and D.J. Agnew (United Kingdom)
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Re-analysis of CPUE in both species of toothfish in 48.6 area
changes in Patagonian toothfish. We believe extreme value analysis provides a useful tool to evaluate ... northern area of 48.6 (SSRU 48.6A, 48.6G). This report is a re-analysis of the CPUE time series proposed in ... . Here, the length of the line was used as effort unit and also high CPUE values reported by a Korean ... Patagonian toothfish presented a high proportion with sets in which both species are present, and thus, an ...
Meeting Document : WG-FSA-13/63 : Autor(es): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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Priority research surveys to address uncertainties in the assessment of toothfish in Subareas 88.1 and 88.2
sufficient data to understand toothfish movements and stock structure, we believe that research of this kind ... should be given a high priority by the Scientific Committee. We recommend the Scientific Committee invite ...
Meeting Document : WG-FSA-13/55 : Autor(es): S. Hanchet, B. Sharp and S. Parker (New Zealand)
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TEMPORAL CLARIFICATION OF THE TRANSITION FROM BLUE PHASE FINGERLING TO EARLY JUVENILE BROWN PHASE IN NOTOTHENIA ROSSII FROM THE SOUTH SHETLAND ISLANDS
of controversy in the literature: 1) we believe that the duration of the pelagic fingerling stage at ... defined ring in scales corresponds to the first annulus, while a contiguous nearby ring is a secondary ... ring deposited after the first winter during the second year, attributable to a shift of habitat from ... constitute the rings, are illustrated/supported by photographs. A von Bertalanffy growth curve was computed ...
Meeting Document : WG-FSA-09/32 : Autor(es): E. Barrera-Oro, E. Moreira, N. Alescio and E. Marschoff (Argentina)
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Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia, France, Japan, Republic of Korea and Spain
was appropriate to achieve its objectives (SC-CAMLR-XXXV, para. 3.244). We present here a proposal for ... milestones in accordance with ANNEX 24-01/A. In 2016, the Scientific Committee agreed that the research plan ... since 2016 are outlined in Section A, and changes made following WG-SAM-17 are highlighted in blue ...
Meeting Document : WG-FSA-17/18 Rev. 1 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain