Search results
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
Cruz, CA. Individual animals were suspended in front of the transducers, were only loosely constrained ... collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... ) method were developed for five animals and compared with the measurements. Both measured and modeled ... scattering patterns showed that 120 kHz acoustic scattering levels are highly dependent on animal orientation ...
Meeting Document : WG-EMM-99/42 : Author(s): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
level of confidence (for example 80%). Author(s): I. Ball (Australia) Title: An alternative method ... is less than or equal to the precautionary estimate with some given level of confidence (for example 80%). ...
Meeting Document : WG-FSA-04/63 : Author(s): I. Ball (Australia)
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An integrated stock assessment for the Kerguelen Island EEZ Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.1
fishery data up to the end of the season 2018/2019 (end of August 2019). The updated assessment model ... ) and support the estimation of year class strenght (YCS) and selectivity functions. Compared to the previous ... data (2017/2018 & 2018/2019), (2) updated growth parameters, (3) updated priors on YCS and period ... of estimation. All model runs were conducted with the CASAL 2.30 2012-03-21 rev. 4648, that was agreed on by WG ...
Meeting Document : WG-FSA-2019/58 : Author(s): F. Massiot-Granier, G. Duhamel and C. Péron
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The efficacy of video-based electronic monitoring technology for at-sea monitoring of the halibut longline fishery
2%, and individual identifications by hook agreed in over 90% of the catch records. EM reliably (i.e., accuracy ... 2%, and individual identifications by hook agreed in over 90% of the catch records. EM reliably (i.e., accuracy ...
Meeting Document : WG-FSA-03/100
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Guidelines for fisheries-directed research addressing the Ross Sea region Marine Protected Area Research and Monitoring Plan
) and the associated Research and Monitoring Plan (SC-CAMLR XXXVI-20) requires multidisciplinary research efforts ... necessary research will be required so that reviews of progress in research and monitoring to evaluate ... the objectives of the MPA can be best informed. We review priority research topics, key attributes ... and Monitoring Plan (SC-CAMLR XXXVI-20) requires multidisciplinary research efforts by Members. Some ...
Meeting Document : WG-SAM-18/21 : Author(s): S. Parker and A. Dunn
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
given level of confidence (for example 80%). Author(s): Ball, I. Title: An alternative method ... of confidence (for example 80%). ...
Meeting Document : WG-FSA-05/P7 : Author(s): Ball, I.
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An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Subarea 58.6
of the season 2018/2019 (End of August 2019). This updated assessment model is based on the best available data ... ., 2017b), this assessment accounts for (1) updated data (2017/2018 & 2018/2019) (2) updated growth ... model runs were conducted with the CASAL 2.30 2012-03-21 rev. 4648, that was agreed on by WG-SAM-14 ... eleginoides) fishery of the Crozet Islands, CCAMLR sub-area 58-6, with data up to the end of the season 2018 ...
Meeting Document : WG-FSA-2019/57 Rev. 1 : Author(s): F. Massiot-Granier, G. Duhamel and C. Péron
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Long-term change in zooplankton communities of the Southern Ocean between 1997 and 2018: implications for fisheries and ecosystems
-CPR) between 1991 and 2018. We analysed SO-CPR measurements in relation to satellite and oceanographic ... observations over the period 1997–2018. These environmental data were: phytoplankton biomass, primary ... –0.83% per year averaged across the Southern Ocean, and with much higher rates of increase in some ... have not changed or decreased in area between 1998 and 2018, whereas the main Polar Frontal communities ...
Meeting Document : WG-EMM-2019/66 : Author(s): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1994 winter and 1994/95 pup-rearing season
. The proportion of adult animals affected (20%) was slightly lower than 1994. The proportion of females involved ... (40%) was 26% less than the previous year. The incidence of severe injury (30%) was 46% less than ... . The proportion of adult animals affected (20%) was slightly lower than 1994. The proportion of females involved ... (40%) was 26% less than the previous year. The incidence of severe injury (30%) was 46% less than ...
Meeting Document : SC-CAMLR-XIV/BG/08 : Author(s): Delegation of the United Kingdom
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Revised biological parameters for the Antarctic skates Amblyraja georgiana and Bathyraja cf. eatonii from theRoss Sea
. eatonii, but it is probably around 65–75 cm for males and 70–80 cm for females. Reasonable point estimates ... , but it is probably around 65–75 cm for males and 70–80 cm for females. Reasonable point estimates ...
Meeting Document : WG-FSA-10/27 : Author(s): M.P. Francis (New Zealand)