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Semi-empirical acoustic estimates of krill biomass derived from simulated commercial fishery data based on single-frequency acoustics
long to average out differences among years. Author(s): A.M. Cossio, G.W. Watters, C.S. Reiss, J ... between these two areas and the 3-frequency biomass showed that models developed using a wide length ...
Meeting Document : SG-ASAM-12/04 : Автор(ы): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke and D. Kinzey (USA)
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Semi-empirical acoustic estimates of krill biomass derived from simulated commercial fishery data based on single-frequency acoustics
long to average out differences among years. Author(s): A.M. Cossio, G.W. Watters, C.S. Reiss, J ... between these two areas and the 3-frequency biomass showed that models developed using a wide length ...
Meeting Document : SG-ASAM-15/03 : Автор(ы): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke and D. Kinzey (USA)
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
while at shallower layer (20-50 m) at night. In the offshore foraging areas krill showed no diurnal ... were totally different between the two foraging areas. The reasons why the fur seal chose offshore ... foraging areas over inshore foraging areas were discussed. Author(s): T. Ichii, H. Ishii (Japan), J.L ...
Meeting Document : WG-KRILL-92/27 : Автор(ы): T. Ichii, H. Ishii (Japan), J.L. Bengtson, P. Boveng, J.K. Jansen (USA) and M. Naganobu (Japan)
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Population structure of the Antarctic toothfish, Dissostichus mawsoni from the Areas 58 and 88 in the Antarctic Ocean based on mitochondrial and microsatellite DNA markers
localities from the two main Subareas 88 and 58, based on a combined analysis of mitochondrial DNA (mtDNA ... (one genetic stock). However, given weak but significant microsatellite differentiation found between ... efforts on the stock (unit) management for this valuable fishery resource. Author(s): H.-K. Choi, J.E ... . Jang, S.Y. Byeon, S. Chung, S.-G. Choi, H. W. Kim and H.J. Lee Title: Population structure of the ...
Meeting Document : WG-FSA-2019/36 : Автор(ы): H.-K. Choi, J.E. Jang, S.Y. Byeon, S. Chung, S.-G. Choi, H. W. Kim and H.J. Lee
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Classification of Southern Ocean krill and icefish echoes using Random Forests
echograms and analysis of differences in mean volume backscattering strengths (S V; dB re 1 m-1) measured at ... two or more echosounder frequencies. For commonly used frequencies, however, the differences for krill ... Georgia, South Atlantic, one species in particular, mackerel icefish, Champsocephalus gunnari, forms ... scattering fish species with an overall estimated accuracy of 95 %. Minimum S V, mean aggregation depth (m ...
Meeting Document : WG-EMM-16/23 : Автор(ы): N. Fallon, S. Fielding and P. Fernandes
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Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea
reducing fishing pressure is one option for mitigating the overall consequences for marine biota. We used a ... predator populations, especially penguins. Average penguin abundance declined by up to 30% of its ... tradeoffs among marine ecosystem services in an uncertain future. Author(s): E.S. Klein, S.L. Hill, J.T ...
Meeting Document : WG-EMM-18/P02 : Автор(ы): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters
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The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters of Heard Island (Division 58.5.2) for 2016
one-third the average for L. squamifrons. Conversely, the density of aggregated skates was higher than ... both 2015 and the long term average. The catch of invertebrates in the 2016 survey was two times higher ... tagged and released. Author(s): G.B. Nowara, T.D. Lamb and D.C. Welsford Title: The random stratified ... April, with the completion of 163 stations. The survey was conducted for the second year on the FV Atlas ...
Meeting Document : WG-FSA-16/23 : Автор(ы): G.B. Nowara, T.D. Lamb and D.C. Welsford
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An approach to feedback management (FBM) of the krill fishery based on routine acoustic data collection and intermittent land-based predator studies
the proposed framework provides a clear way forward it will take several years to implement fully due ... to the required development of methodology and time series data. Author(s): Delegations of ... -xxxvi-bg-20.docx Approval: Approved Secretariat Workflow Status: Content Approved Delegation ...
Meeting Document : SC-CAMLR-XXXVI/BG/20 : Автор(ы): Delegations of Norway, China and Chile
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Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019
of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... (s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier Title ... dominated by fish of 18-26cm (TL) indicating the presence of a cohort of age 1+ fish. Estimated biomass for ...
Meeting Document : WG-FSA-2019/20 : Автор(ы): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier
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ANTARCTIC FUR SEAL PUP PRODUCTION AND POPULATION TRENDS IN THE SOUTH SHETLAND ISLANDS WITH SPECIAL REFERENCE TO SOURCES OF ERROR IN PUP PRODUCTION ESTIMATES
30 days after the median date of pupping was estimated for the years 1997-2007 at 4.5% (±0.60). Adult ... lower pup production estimates in 2007/08. Author(s): M.E. Goebel (USA), D.E. Torres C. (Chile), A ...
Meeting Document : WG-EMM-PSW-08/14 : Автор(ы): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)
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