Search results
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Cruise report of multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic (CCAMLR Division 58.4.1) with a focus on Antarctic krill during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
edge on 80°E and ended at ice edge on 120°19.0’E. Leg 2 was commenced at 63°00.0’S on 150°00.0 ... ) and Leg 2 (from 26 January to 23 February 2019; 29 days). Leg 1 was commenced at ice edge on 80° ...
Meeting Document : WG-EMM-2019/42 : Author(s): H. Murase, K. Abe, R. Matsukura, H. Sasaki, R. Driscoll, S. Driscoll, F. Schaafsma, M. van Regteren, Q. Yang, H. Ohshima, K. Ohshima, R. Sugioka, J. Tong, N. Yamamoto, H. Doiguchi, E. Briggs, K. Doi, D. Hirano, K. Katsumata, M. Kiuchi, Y. Ko, D. Nomura, M. Orui, H. Sato, S. Toyoda, K. Yamazaki, T. Ishihara, K. Hamabe, S. Kumagai, T. Miyashita, N. Yamada, Y. Koyama and H. Sasaki
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Estimating the biodiversity and distribution of the northern part of the Kerguelen Islands slope, shelf and shelf-break for ecoregionalisation: benthos and demersal fish
Abstract: More than 30 expeditions have surveyed the Kerguelen Plateau over the last 80 years ... More than 30 expeditions have surveyed the Kerguelen Plateau over the last 80 years. However, few ...
Meeting Document : WS-MPA-11/09 : Author(s): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)
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Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)
superswarm was observed. In November 1994 the investigated area in 80-100% was covered by ice. The above ... called superswarm was observed. In November 1994 the investigated area in 80-100% was covered by ice ...
Meeting Document : WG-EMM-97/53 : Author(s): Kalinowski, J., Azzali, M.
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Comparison of krill density estimated with swarm-based and dB-difference method using acoustic data collected by Chinese fishing vessel participating in the 2019 Area 48 survey
to four ranges including [-20 20], [2 16], [0.4 12] and without dB window (only 120kHz used ... from various identification methods, except for the estimates from [-20 20] identification window ... including [-20 20], [2 16], [0.4 12] and without dB window (only 120kHz used). Identification window of dB ... identification methods, except for the estimates from [-20 20] identification window and without dB window (only ...
Meeting Document : SG-ASAM-2019/06 : Author(s): X. Yu, X. Wang, J. Zhang and X. Zhao
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Revised estimates of yield for Electrona carlsbergi based on a generalised version of the CCAMLR krill yield model
the probabilities of the stock of Electrona carlsbergi becoming depleted over a 20 year period. These projections ... ): (i) choose γ1, so that the probability of the spawning biomass dropping below 20% of its pre-exploitation ... median level over a 20-year harvesting period is 10%; (ii) choose γ2, so that the median escapement over ... a 20-year period is 75%; (iii) select the lower of γ1 and γ2 as the level of γ for calculation of yield ...
Meeting Document : WG-FSA-94/21 : Author(s): A.J. Constable and W.K. de la Mare (Australia)
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18
using effective tagging survival and tag detection rates and allowing a maximum of 20% change ... of 20% change in the catch limit from 200 t. Research block 882_2: 240 t based on a one-year Chapman ... estimate using effective tagging survival and tag detection rates and allowing a maximum of 20% change ... of 20% change in the catch limit from 200 t. Research block 882_4: 214 t based on CPUE by seabed area ...
Meeting Document : WG-FSA-18/36 : Author(s): S. Mormede and S. Parker
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An updated assessment of unicorn icefish (Channichthys rhinoceratus) in Division 58.5.2, based on results from the 2015 random stratified trawl survey
(2 years) and long term (20 years) projections of unicorn icefish structure, abundance and yield ... for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. Short term projections ... indicate 2208 t for the 2015/16 season and 1689 t for the 2016/17 season, while long term projections (20 ... (2 years) and long term (20 years) projections of unicorn icefish structure, abundance and yield ...
Meeting Document : WG-FSA-15/50 : Author(s): D. Maschette and J. Dell (Australia)
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Abundance and richness of key Antarctic seafloor fauna correlates with modelled food availability
Nature Ecology & Evolution, 2 (2017): 71–80, doi: 10.1038/s41559-017-0392-3 ...
Meeting Document : WS-SM-18/P01 : Author(s): J. Jansen, N.A. Hill, P.K. Dunstan, J. McKinlay, M.D. Sumner, A.L. Post, M.P. Eléaume, L.K. Armand, J.P. Warncock, B.K. Galton-Fenzi and C.R. Johnson
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2018/19
-year Chapman estimates and allowing a maximum of 20% in the catch limit for 88.2H and research block ... 882_2 are: 882H: 240 t catch and allowing a maximum of 20% change in the catch limit from 200 ... t. Research block 882_2: 288 t catch and allowing a maximum of 20% change in the catch limit from 240 t. We ... -year Chapman estimates and allowing a maximum of 20% in the catch limit for 88.2H and research block ...
Meeting Document : WG-FSA-2019/12 : Author(s): J. Devine and S. Parker
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RAPID WARMING OF THE OCEAN AROUND SOUTH GEORGIA,SOUTHERN OCEAN, DURING THE 20TH CENTURY: FORCINGS, CHARACTERISTICS AND IMPLICATIONS FOR LOWER TROPHIC LEVELS
of the 20th century but there are few locations with data before the 1950s. In addition, assessments of change ... to 2006). Based on these data, we observe significant warming between the early and late 20th century ... , with differential warming between summer and winter months and an indication that late 20th century summer ... AROUND SOUTH GEORGIA,SOUTHERN OCEAN, DURING THE 20TH CENTURY: FORCINGS, CHARACTERISTICS AND IMPLICATIONS ...
Meeting Document : WG-EMM-08/P03 : Author(s): M.J. Whitehouse, M.P. Meredith, P. Rothery, A. Atkinson, P. Ward and R.E. Korb