Search results
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Male krill grow fast and die young
). This pattern was reproduced by a model simulation that assumed faster growth and a shorter life span ... of males from the field (net collected data and penguin diet data) showed a decline in proportion of ... males when several years of low recruitment followed a recruitment pulse. These results lead us to ... conclude that male krill grow faster and have a shorter lifespan than females in the natural environment ...
Meeting Document : WG-EMM-07/P6 : Author(s): S. Kawaguchi, L.A. Finley, S. Jarman, S.G. Candy (Australia), R.M. Ross, L.B. Quetin (USA), V. Siegel (Germany), W. Trivelpiece (USA), M. Naganobu (Japan) and S. Nicol (Australia)
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BEACH DEBRIS SURVEY AND INCIDENCE OF ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA AT SIGNY ISLAND, SOUTH ORKNEY ISLANDS 2007/2008
were observed with neck collars formed from fisheries related debris. Beach surveys recovered a total ... ). There was a decrease in the number of plastic packaging bands with only two found in the current season ... (both of which had been cut open), marking a break in the otherwise continued rise in packaging bands ... the longevity of plastics and other materials with a high resistance to degradation in the marine ...
Meeting Document : WG-FSA-08/26 : Author(s): M.J. Dunn and C.M. Waluda (UK)
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Is toothfish catch correlated with the catch of vulnerable benthic invertebrate taxa?
benthic invertebrate catch rates at a longline segment level. Analysis of the data available showed no ... a longline segment, approximately 1.2 km. This supports conclusions of previous work finding no ... relationship between total VME taxa weight and toothfish catch at the scale of a longline set, up to 10km. Our ... data were too limited for a robust comparison among fishing areas. Further studies at intermediate ...
Meeting Document : WG-EMM-10/27 : Author(s): S.J. Parker and M.H. Smith (New Zealand)
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Does large-scale ocean circulation structure life history connectivity in Antarctic toothfish (Dissostichus mawsoni)?
Abstract: A multi-disciplinary approach incorporating otolith chemistry, age data and numerical ... Lagrangian particle simulations indicated a single, self-recruiting population of Antarctic toothfish ... (Dissostichus mawsoni) in the Southeast Pacific Basin (SPB) and Ross Sea, with a life history structured by the ... : successfully spawning fish spend only a part of their adult life history in the Ross Sea; areas in the eastern ...
Meeting Document : WG-FSA-12/P02 : Author(s): J. Ashford, M. Dinniman, C. Brooks, A. Andrews, E. Hofmann, G. Cailliet, C. Jones and N. Ramanna
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Distribution and biology of grey notothen (Lepidonotothen squamifrons) around South Georgia and Shag Rocks (Southern Ocean) CCAMLR Subarea 48.3.
Abstract: Lepidonotothen squamifrons (Family Nototheniidae) is a demersal Southern Ocean endemic ... fish. Historically a commercially targeted species and common as bycatch, changes to CCAMLR fisheries ... recognisable cohort progression and a trend of increasing size over time indicating a potential recovery of the ... for the Indian Ocean basin population. Stomach content analysis (2005- 2012) showed a varied diet ...
Meeting Document : WG-FSA-12/34 : Author(s): S. Gregory, J. Brown and M. Belchier (United Kingdom)
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Draft MPA Report for the South Orkney Islands, Subarea 48.2; Part of CCAMLR MPA Planning Domain 1, Western Peninsula – South Scotia Arc
Abstract: In this paper we provide a brief history that describes the development of management ... plans and research and monitoring plans for CCAMLR MPAs. We develop a worked example of the management ... ecosystem whilst also considering rational use. Consequently, the paper recognises that a good way to ... fisheries data derived from a range of sources and from a range of contributors. Author(s): P. Trathan and ...
Meeting Document : WG-EMM-13/10 : Author(s): P. Trathan and S. Grant (United Kingdom)
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Bayesian data-model synthesis for biological conservation and management in Antarctica
Abstract: This paper introduces a proposed data integration and assimilation tool to assist the ... and distribution. The engine of this decision-support tool is a physically-based algorithm for ... streaming in from a multitude of sensors with other sources of information such as field counts and ... will route through a browser based geospatial application custom designed to address the needs and ...
Meeting Document : WG-EMM-13/26 : Author(s): H.J. Lynch and M. Schwaller (USA)
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Report on Argentine CCAMLR Subarea 48.3 survey: fish
presented. A total of 25 tows were taken, catches comprised sixteen finfish species, being Champsocephalus ... . brevicauda guntheri and G. gibberifrons, respectively. Males and females showed a similar population ... structure, in a relation 1:1 in all the species analyzed. Two length-weight relationships were estimated for ... females. Juveniles of several species were present in significant numbers. Author(s): A. Zavatteri and A ...
Meeting Document : WG-FSA-13/62 : Author(s): A. Zavatteri and A. Giussi (Argentina)
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Report on 2015 Activities of the Southern Ocean Observing System relevant to the work of CCAMLR
2015 and a recent meeting of the SSC and workshop aimed at implementing the strategic plan. SOOS is ... . These are described more fully in the paper. In conclusion, we discuss the value of developing a ... partnership between SOOS and CCAMLR to help develop a positive relationship between the CCAMLR and ... change impacts on Southern Ocean ecosystems, the focus of a conference in 2018. Author(s): A. Constable ...
Meeting Document : WG-EMM-15/61 : Author(s): A. Constable (Australia), O.R. Godø (Norway) and L. Newman (SOOS)
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Herpes virus antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica
Abstract: This paper describes evidence of antibodies against a virus related with ... Alphaherpesvirinae sub-family, potentially a phocine herpesvirus (PhHV-1) that affect Antarctic Fur Seals ... (Arctocephalus gazella) from Cape Shirreff, Livingston Island, Antarctica. Body fluid samples of 54 A. gazella ... with the knowledge confirming the extended distribution range of herpesvirus, affecting a large number ...
Meeting Document : WG-EMM-01/59 : Author(s): O. Blank, J.M. Montt, M. Celedón and D. Torres (Chile)