Resultados de la búsqueda
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Using compact video camera technology for rapid deep-sea benthic habitat assessment
a drop camera included: 1. Rapid: Three, two minute replicates of footage at 1000m, including ... Ocean benthos, has a wider application in deep-sea marine research. The use of the system as a drop ... voyage on the shelf-break of East Antarctica, greatly improved the efficiency of selection of sites for ... quantitative sampling. The system is also promoted for estimates of krill biomass, swarm dynamics and ...
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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Informe de avance sobre los fundamentos científicos para el establecimiento de un AMP de la CCRVMA en el Mar Weddell (Antártida)
evaluation of marine protected areas (MPAs) in the Weddell Sea. At present the background document presents a ... Abstract: With this working paper the Delegation of Germany calls attention to the background ... contents and structure of the document reflect also its main objectives, i.e. (i) to set out the general ... background and context of the establishment of MPAs, (ii) to describe the boundaries of the Weddell Sea MPA ...
Meeting Document : SC-CAMLR-XXXIII/08 : Autor(es): Delegation of Germany
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Risk maps for Antarctic krill under projected Southern Ocean acidification
Abstract: The embryonic development of Antarctic krill (Euphausia superba) is sensitive to ... elevated seawater CO 2 levels and successful hatching is impaired at CO 2 levels greater than 1000 μatm ... . Exposure to elevated CO 2 during the first 3 days of embryonic development significantly retards subsequent ... development even if the embryos are transferred to seawater with current levels of CO 2. Krill embryos appear ...
Meeting Document : WG-EMM-14/P06 : Autor(es): S. Kawaguchi, A. Ishida, R. King, B. Raymond, N. Waller, A. Constable, S. Nicol, M. Wakit and A. Ishimatsu
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Field identification guide to the main fishes caught in the Ross Sea longline fishery
longline boats fishing in the Ross Sea was prepared under the New Zealand Ministry of Fisheries Project ... ANT2005-02 and was used by Ministry of Fisheries observers and fishers during the 2006–07 season. That ... (eelpouts) and bathydraconids (dragonfishes) identification is at family level and for Muraenolepis (eel ... fishes is difficult because of uncertain taxonomic status, e.g., Pogonophryne, or scarcity of field ...
Meeting Document : WG-FSA-07/41 : Autor(es): P.J. McMillan, P. Marriott, S.M. Hanchet, J.M. Fenaughty, E. Mackay and H. Sui (New Zealand)
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REFERENCE OBSERVATIONS FOR VALIDATING AND TUNING OPERATING MODELS FOR KRILL FISHERY MANAGEMENT IN AREA 48
Abstract: In 2007 WG-SAM defined a set of reference observations for validating and tuning ... reference points for the density of krill, and the abundance of “generic” seals, penguins and whales in 1970 ... , 2007 and at least one intermediate year. Recent work on baleen whales indicates a higher growth rate ... . The numerical calendar is a partly subjective interpretation of limited data and should not be ...
Meeting Document : WG-EMM-08/10 : Autor(es): S. Hill (United Kingdom), J. Hinke (USA), É. Plagányi (South Africa) and G. Watters (USA)
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Revised research plan for toothfish in Division 58.4.4 b by Shinsei maru No. 3 in 2014/15
(vulnerable biomass in 2013), respectively. The stock sizes of D. eleginoides in block D is estimated at 948 ... Abstract: In this document, we revise stock status assessments of D. eleginoides in research ... blocks C and D using CPUE analogy method, Petersen method and CASAL model, although the data of current ... next fishing season with the same survey design and sample size of 60 tonnes in order to further ...
Meeting Document : WG-FSA-14/21 : Autor(es): Delegation of Japan
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Implanted identification tags in penguins: implantation methods, tag reliability and long-term effects (draft version)
a slimy biofilm harbouring potentially pathogenic organisms incorporated at the time of implantation ... Abstract: Subcutaneously implanted passive transponder tags have proved to be a reliable way of ... identifying individual penguins by both manual and automated means. We have found the survival of tagged ... Ad61ie penguins (Pygoscelis adeliae) over five seasons to be consistently higher than that of birds ...
Meeting Document : WG-EMM-Methods-96/08 : Autor(es): Kerry, K., Clarke, J.
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Krill stock evaluation with data from commercial fishing vessels
. The use of such vessels as platforms for survey transects under scientific supervision has already ... been demonstrated. Here we show that acoustic data of good quality can be collected by observers on ... ‘Saga Sea’ in 2011 as example. A one-month subset of the acoustic data from February/March was processed ... within a time-frame of a week and linked to krill length data from the same period. The data from the ...
Meeting Document : WG-EMM-12/63 : Autor(es): G. Skaret (Norway), J. Moir Clark (United Kingdom), O.R. Godø, R.J. Korneliussen, T. Knutsen, B.A. Krafft and S.A. Iversen
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Seamount-specific biomass estimates from SSRU 88.2H in the Amundsen Sea derived from mark-recapture data
on almost every seamount in every year and usually in proportion to the level of tagging on the ... in recapture rates of annual cohorts of tagged fish through time in SSRU 88.2H indicates a decrease ... in the percentage of the population tagged due to the annual immigration of untagged fish, along with ... catch and emigration of tagged and untagged fish resulting in a decreasing trend in biomass overall ...
Meeting Document : WG-FSA-14/58 : Autor(es): S.J. Parker and S. Mormede (New Zealand)
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East Antarctica Planning Domain MPA Planning Reference Document #1: Draft MPA Report Part 1 – the Planning Domain and Candidate MPAs
) Identification of candidate MPAs, (6) Analysis of outcomes, (7) Data holdings at the Secretariat. Parts 2 & 3 ... 2014 (WG-EMM-14/48). It was regarded as a suitable synthesis of papers previously submitted and ... following advice from Members of WG-EMM in 2014. This updated report is provided in three parts: Part 1- The ... planning domain and candidate MPAs (WG-EMM-14/48, Sections 1, 2, and 3), Part 2- Description of the ...
Meeting Document : SC-CAMLR-XXXIII/BG/38 : Autor(es): Delegations of Australia and France