Resultados de la búsqueda
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Pup production and distribution of breeding Antarctic fur seals (Arctocephalus gazella) at South Georgia
Abstract: A census of the breeding population of Antarctic fur seals (Arctocephalus gazella) at ... at the breeding grounds during the pupping period, together with corrections for the likelihood of a ... female being ashore at a census and for pregnancy rate (71 % in 1990/91), pup production was estimated as ... long-term study sites probably because of a short term reduction in food availability. Data from these ...
Meeting Document : WG-CEMP-92/39 : Autor(es): I.L. Boyd (United Kingdom)
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Using compact video camera technology for rapid deep-sea benthic habitat assessment
Abstract: A compact, autonomous deep sea video system designed and constructed by the Australian ... Ocean benthos, has a wider application in deep-sea marine research. The use of the system as a drop ... camera for broad-scale and rapid deep-sea benthic habitat assessment, during a recent AAD marine science ... a drop camera included: 1. Rapid: Three, two minute replicates of footage at 1000m, including ...
Meeting Document : WG-EMM-10/24 : Autor(es): G.P. Ewing, R. Kilpatrick, A.J. Constable and D.C. Welsford (Australia)
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): H.J. Lynch and M. Schwaller (USA)
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Review of fishery monitoring and forecast procedures
areas where catch limits apply. Each season, approximately 130 catch limits are monitored and a linear ... catch limits, and as such overruns are a part of the management process used by CCAMLR. Where the ... assumption about the operation of the fishery is violated, there is a higher risk that the linear prediction ... will be inaccurate. A range of management options are considered in response to a catch overrun. The ...
Meeting Document : WG-SAM-13/06 : Autor(es): Secretariat
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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 : Autor(es): 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 : Autor(es): A. Constable (Australia), O.R. Godø (Norway) and L. Newman (SOOS)