Search results
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Past and present conservation measures
of Conservation Measures in Force 2001/02 (732.61 KB) Schedule of Conservation Measures in Force 2000/2001 (524.1 ...
Page : Site Section: Publications
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Reproduction in Antarctic notothenioid fish - a review
–20% of that of females. Length at first spawning may be from 55% of Lmax onwards, but in many species ... shift in spawning time is apparent. Fecundity is commonly positively correlated with fish length and ... decreasing relative fecundity towards higher latitudes. Incubation time may be up to five months. Eggs of ... observed in three species but may be more common in particular among the artedidraconids. A number of ...
Meeting Document : SC-CAMLR-X/BG/12 : Author(s): Delegation of Germany
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Hydroacoustic surveys of the distribution and abundance of krill: Prydz Bay region – FIBEX, ADBEX II and SIBEX II
cruise track is presented in graphical form. These data demonstrate a patchy density distribution with ... ), 1983-84 (ADBEX II) and 1984-85 (SIBEX II) cruises respectively. It could not be concluded, however ... , that there had actually been changes in the abundance of krill in the region over the period between ... the surveys because of the wide confidence limits on the abundance estimates. The precision with which ...
Meeting Document : SC-CAMLR-VII/BG/40 : Author(s): Delegation of Australia
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Krill caught by predators and nets revisited: interpreting prey selection in proper temporal–spatial scales
frequently show differences that have fueled speculation of prey selectivity by predators. Krill, however ... , are not homogenously distributed and matching temporal-spatial scales of sample collections can be ... compare krill length frequency data collected over the entire West area of the U.S. AMLR survey grid with ... that collected only in fur seal foraging habitat. Both are compared to krill in fur seal diet. When ...
Meeting Document : WG-EMM-04/49 : Author(s): M.E. Goebel, V. Loeb, D.P. Costa, S.N. Sexton, A.R. Banks, J.D. Lipsky and A.C. Allen (USA)
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An introduction to the Southern Ocean Observing System (Paper XP18 to CEP–SC-CAMLR Workshop 2016)
Antarctic Peninsula and one for the Indian Sector. A Ross Sea Working Group is in the process of being ... Antarctic Peninsula and one for the Indian Sector. A Ross Sea Working Group is in the process of being ...
Meeting Document : WG-EMM-16/70 : Author(s): A.J. Constable, L. Newmman, O. Schofield, A. Wahlin and S. Swart
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BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 2006/2007
the summer, plus another snood in winter (August). Both snoods were clearly identified as being the end ... on the survey beach during the summer, plus another snood in winter (August). Both snoods were clearly ... identified as being the end of a multifilament line where a hook would have been attached. Five multifilament ...
Meeting Document : WG-FSA-08/24 : Author(s): F. Le Bouard (UK)
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Whale depredation – Data collection guidelines
) Interaction Whales dive in the vicinity of the vessel, usually in direction of the longline being hauled ... Description / Abstract: Marine mammal interactions with fisheries are a growing major world-wide ... issue with both substantial ecological and economic consequences. Most longline fisheries operating ... assessment if depredated fish are disregarded when defining quotas. Stocks that have also been under pressure ... depredation activity in the Southern Ocean is due to interactions with odontocetes (toothed whales ...
Document : Site Section: Science
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Population demography of Antarctic fur seals: the costs of reproduction and implications for life-histories
but was weakly correlated with pup growth rate, suggesting that it may be influenced by availability ... consecutive years, including 3 years when several indices showed that food availability was well below average ... . 2. Population age structures were used, in conjuction with the measured age-specific survival rates ... rate was 0•83 (SD = 0•10) with a range from 0•65 to 0•93. Survival rate showed no trend through time ...
Meeting Document : WG-EMM-95/26 : Author(s): Reid, K., Croxall, J.P., Lunn, N.J., Boyd, I.L.
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Sexing chinstrap penguins (Pygoscelis antarctica) by morphological measurments
(Pygoscelis antarctica) to obtain a function that can be used to predict sex. The function correctly ... classified 95% of 55 individuals. Bill depth was the most important discriminating variable, with males ...
Meeting Document : WG-CEMP-94/25 : Author(s): Jaun A. Amat, Javier Viñuela and Miguel Ferrer (Spain)
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Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study
was commenced in 2001; this paper presents results of these analyses and extends the initial demographic ... from 1990/91 to 2001/02. The Adélie penguin colony on this island consists of approximately 2 000 ... and 2001/02. Thus individuals initially tagged at Béchervaise Island and later found breeding on other ... period (mid-November) were determined for each of the breeding seasons from 1990/91 to 2001/02. Counts ... /decline rates of the Adélie penguin population at Béchervaise Island were found to be more sensitive to ... parameters. Results are discussed in comparison with data from a declining Adélie penguin population in the ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Author(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry