Search results
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Committee for Environmental Protection: 2016 Annual Report to the Scientific Committee of CCAMLR
for Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit ... , the second joint CEP-SC-CAMLR workshop was held May 19-20, 2016 in Punta Arenas, Chile, just prior to the CEP ... for Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit ... , the second joint CEP-SC-CAMLR workshop was held May 19-20, 2016 in Punta Arenas, Chile, just prior to the CEP ...
Meeting Document : SC-CAMLR-XXXV/BG/09 : Author(s): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)
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Some characteristics of krill transport in the Scotia Sea based on the Russian survey data
, nor with the total catch from the Scotia Sea for any fishing season during the latest 20 years ... with the total catch from the Scotia Sea for any fishing season during the latest 20 years. It is shown ...
Meeting Document : WG-EMM-05/41 : Author(s): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)
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Krill population trends
for the last 20 years. There have been suggestions of changes in the distribution and abundance of Antarctic ... for the last 20 years. There have been suggestions of changes in the distribution and abundance of Antarctic ...
Meeting Document : CCAMLR-IWC-WS-08/11 : Author(s): Tarling, G., Watkins, J., Quetin, L., Reiss, C., Atkinson, A., Ross, R., Pakhomov, E., Kawaguchi, S., Nicol, S., Siegel, V.
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The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)
’s. In 2012, the proportion of immature fish (<30 cm) in the population was less than 10%. Recruitment ... a number of years of very low recruitment around Elephant Island and the lower South Shetland Islands ... ’s. In 2012, the proportion of immature fish (<30 cm) in the population was less than 10 ... caused a number of years of very low recruitment around Elephant Island and the lower South Shetland ...
Meeting Document : WG-FSA-12/20 : Author(s): K.-H. Kock (Germany) and C.D. Jones (USA)
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NEW REGIONAL-SCALE SURVEYS OF THE ADÉLIE PENGUIN BREEDING POPULATION IN PRYDZ BAY: A STEP TOWARDS IMPROVED ESTIMATION OF KRILL CONSUMPTION IN EAST ANTARCTICA
was conducted 30 years ago. To understand current levels of prey consumption in east Antarctica it is therefore ... population of Adélie penguins in east Antarctica but the most recent abundance survey was conducted 30 ... years ago. To understand current levels of prey consumption in east Antarctica it is therefore critical ...
Meeting Document : WG-EMM-11/32 : Author(s): C. Southwell, J. McKinlay, K. Newbery, L. Emmerson and J. Lieser (Australia)
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Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator–prey interaction lead to erroneous conclusions about precaution
observed to affect krill-dependent predators, like penguins. Using a hierarchical model and 30+ years ... previously observed to affect krill-dependent predators, like penguins. Using a hierarchical model and 30 ... + years of monitoring data, we show that expected penguin performance was reduced when local harvest rates ...
Meeting Document : WG-EMM-2019/11 : Author(s): G.M. Watters, J.T. Hinke and C.S. Reiss
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
, derived from the subarea catch limit, appears to exceed this level in up to 20% of years due to high ... limit, appears to exceed this level in up to 20% of years due to high variability in krill biomass ... level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the regional biomass ... estimates of the regional biomass in recent years. This suggests that the trigger level would be equivalent ...
Meeting Document : WG-EMM-16/21 : Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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The migration patterns of Electrona carlsbergi (Tåning, 1932)
as a breeding area, decreases to 20-40%, while the number of mature specimens 8.5-11 cm in length and 3-5 years ... as a breeding area, decreases to 20-40%, while the number of mature specimens 8.5-11 cm in length and 3-5 years ... E. carlsbergi is represented by immature specimens 7 to 8 cm in length and 2 years of age, indicating dominance ... E. carlsbergi is represented by immature specimens 7 to 8 cm in length and 2 years of age, indicating dominance ...
Meeting Document : WG-FSA-93/18 : Author(s): A.N. Kozlov (Russia)
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Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)
, full size is attained at about 15–20 years of age and they can live in excess of 60 years. However ... ; in M. caml, full size is attained at about 15–20 years of age and they can live in excess of 60 years ... ; M. whitsoni approaches full size at about 10–15 years of age and can live to at least 27 years; in M. caml ... ; M. whitsoni approaches full size at about 10–15 years of age and can live to at least 27 years ...
Meeting Document : WG-FSA-12/54 Rev. 1 : Author(s): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)
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SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16–20 ... of 11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... rate of natural increase has declined to –0.3% per year over the last seven years, compared to the 9.3 ... % per year between 1987/1988 and 2001/2002, and the population is in the mature phase of population ...
Meeting Document : WG-EMM-10/P15 : Author(s): M.N. Bester, P.G. Ryan and J. Visagie