Search results
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2003/04
represents an increase of 97% on the 183 items recorded in 2002/03 and the highest levels of summer beach ... miscellaneous items; the largest annual amount of this type of debris since the surveys began in 1990. For the ... Abstract: During the fourteenth year of standardised beach surveys of man-made debris at Bird ... debris (232 items) since the 1999/00 season. The total weight of debris collected has also increased by ...
Meeting Document : SC-CAMLR-XXIV/BG/15 : Author(s): Delegation of the United Kingdom
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Note sur l'étude des effets environnementaux, spatiaux, temporels et opérationnels sur la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2003–2006
Abstract: Incidental mortality has diminished considerably in comparison with the period from ... revealed that the incidental catch of white-chinned petrels and grey petrels is caused by a complex set of ... of the mortality of white-chinned petrels and grey petrels can be explained by the effects of season ... higher mortality in the northern and central areas in the east, and northern and southern areas in the ...
Meeting Document : SC-CAMLR-XXVI/BG/21 : Author(s): Délégation française
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Estimating future krill catches that meet the CCAMLR and alternative decision rules for FAO Subarea 48.1 using an integrated assessment model
estimate the effects of the fishery on the krill population. The model estimates parameters representing ... krill population biology and the fishery during the period with data (1976 to 2014 in these models) and ... the CCAMLR decision rules. An alternative pair of decision rules to those currently employed by CCAMLR ... spawning biomass instead of to projections with no fishing. Catch levels that meet the various decision ...
Meeting Document : WG-EMM-15/51 Rev. 1 : Author(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)
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Annual Report from SCAR to CCAMLR
, Thresholds and Resilience (AntETR), State of the Antarctic Ecosystem (AntEco) and Antarctic Climate in the ... Abstract: This Background Paper reports on the various activities conducted by SCAR that are of ... 21st Century (AntClim21). As the SRP of most direct relevance to CCAMLR, AntEco has a CCAMLR ... products of relevance to the work of CCAMLR (see http://www.scar.org/researchgroups/productsandservices ...
Meeting Document : CCAMLR-XXX/BG/15 : Author(s): Submitted by SCAR
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Do krill and salp compete? Contrary evidence from the krill fisheries
proportion of green krill in the catches was evident when both salps and krill were taken together. In the ... Antarctic Peninsula. Interannual and seasonal variability of the timing, duration and intensity of salp ... blooms and the presence of green krill were analysed. No relationship between salp density and the ... Livingston Island area, the proportion of green krill was high only when salp density was extremely low ...
Meeting Document : WS-AREA 48-98/4 Rev. 1 : Author(s): S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M. Naganobu (Japan)
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Analysis of observer coverage for Japanese krill fishing vessels
Abstract: Sources of variability of krill mean length and fish bycatch number was investigated ... had the largest impacts, and year coverage had moderate impacts on CV for both mean krill length ... Sources of variability of krill mean length and fish bycatch number was investigated to explore ... the largest impacts, and year coverage had moderate impacts on CV for both mean krill length and fish bycatch ...
Meeting Document : WG-SAM-10/17 : Author(s): T. Okuda, M. Kiyota and H. Okamura (Japan)
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Catch removals due to killer and sperm whale interactions across sub-Antarctic fisheries
and 2016 with an overall annual mean of 837 t [95% CI 480-1,195 t], comprised of 317 t [232-403t] and 518 ... mean of 837 t [95% CI 480-1,195 t], comprised of 317 t [232-403t ] and 518 t [247-790 t] removed ...
Meeting Document : WG-FSA-2019/33 : Author(s): P. Tixier, P. Burch, F. Massiot-Granier, P. Ziegler, D. Welsford, M.-A. Lea, M.A. Hindell, C. Guinet, S. Wotherspoon, N. Gasco, C. Péron, G. Duhamel, R. Arangio, R. Tascheri, S. Somhlaba and J.P.Y. Arnould
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
Abstract / Description: Trends in mean length and maturity stage of Patagonian toothfish (Dissostichus ... of changing mean length at depth with month was detected, suggesting movement of animals both up and down ... slope at particular times of year. Months with a high mean length at depth are May and August ... , and with a low mean length at depth- April and July. Examination of maturity data suggests that in addition ... 2QA, United Kingdom Abstract Trends in mean length and maturity stage of Patagonian toothfish ... . A statistically significant pattern of changing mean length at depth with month was detected, suggesting movement ... of animals both up and down slope at particular times of year. Months with a high mean length at depth ... are May and August, and with a low mean length at depth - April and July. Examination of maturity data ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Author(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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Further development of a krill fishery simulation model
Abstract: The model of the krill fishery presented in 1993 (wg-Krill-93/14) refined and applied ... catch. Closure of Livingston Island for the breeding period resulted in a 60% reduction in overlap with ... to account for variability in catch rates. The most successful management regime is found to be one ... the model predicts a 90% reduction in overlap with foraging predators, and a 15 to 20% reduction in ...
Meeting Document : WG-Joint-94/04 : Author(s): D.J. Agnew (Secretariat)
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Antarctic sea ice losses drive gains in benthic carbon drawdown
Peninsula in the last few years has exposed new open water, allowing large blooms of phytoplankton to ... Abstract: Loss of sea-ice, ice shelves and retreat of coastal glaciers around the Antarctic ... flourish in the newly exposed coastal areas. This new productivity has important consequences as the ... phytoplankton die and sink to the sea-bed where the carbon is sequestered for thousands of years. This carbon ...
Meeting Document : SC-CAMLR-XXXIV/BG/34 : Author(s): Delegation of the United Kingdom