Search results
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DEPREDATION AROUND SOUTH GEORGIA AND THE IMPLICATIONS ON STOCK ASSESSMENT OF D. ELEGINOIDES
%) with killer whales present on 562 lines (3.8%) and sperm whales on 2588 lines (17.7%). By comparing the ... catch per unit efforts (CPUEs) with and without the presence if cetaceans, the amounts lost were also ... . To date, a total of 35 killer whales and 65 sperm whales have been seen, with re-sightings occurring ... distance of 3.4nm away were picked up by the hydrophones and it is thought that these acoustic cues could ...
Meeting Document : WG-FSA-09/16 : Author(s): J. Moir Clark, D.A. Agnew, P. McCarthy and M. Unwin (United Kingdom)
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
a peak in 1993 and has showed a general decline since, with the lowest levels on record being reported ... a peak in 1993 and has showed a general decline since, with the lowest levels on record being reported ...
Meeting Document : SC-CAMLR-XXIV/BG/13 : Author(s): Secretariat
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Results of 2016 pop-off satellite archival tagging of Antarctic toothfish in the Ross Sea region
proposed to be implemented by a number of Members, we suggest that additional work, including product ... in the southern Ross Sea, data from two tags were reported via Argos (one with full data, one with ... development, is urgently needed to develop best practice guidance for tagging toothfish with PSAT tags. Author ...
Meeting Document : WG-SAM-17/33 : Author(s): C.D. Jones and S.J. Parker
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV
the level of protection for Antarctic toothfish and other demersal fish that explores a range of ... approach based on the updated data layer is shown. In Chapter 4 we outline the way we- at that stage ... . Teschke, H. Pehlke and T. Brey Title: Scientific background document in support of the development of a ...
Meeting Document : WG-FSA-17/29 : Author(s): K. Teschke, H. Pehlke and T. Brey
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Fishes caught along with the Antarctic krill in the vicinity of the South Shetland Islands during the austral summer months of 1994
higher density. Author(s): T. Iwami (Japan) Title: Fishes caught along with the Antarctic krill in the ... of krill concentration (Figs. 1 and 2). The large incidental catch of fishes occurred in hauls with ...
Meeting Document : WG-Krill-94/25 : Author(s): T. Iwami (Japan)
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Hatching season and growth of Pleuragramma antarcticum larvae near the Antarctic peninsula in austral summer 1993/94
increments was 178.3 (standard deviation = 12.8). With the samples we examined, we speculate that there exist ... toward the edge maintaining the size of ca. 0.5 μm. Assuming that a growth increment was deposited daily ... after hatching, P. antacticum seems to be hatched during June- July, because the mean number of ...
Meeting Document : WG-EMM-96/65 : Author(s): Cha, S.S., Lee, T.W., Kim, S.
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Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins
pelagic ecosystems. Human intervention in such interactions can have effects that cascade throughout these ... these concerns because of problems associated with determining the availability of krill to their ... concordance was detected in shallower layers. We conclude that fine-scale, depth-dependent patterns of kill ... patchiness must be incorporated into analyses of krill availability to predator populations if we hope to ...
Meeting Document : WG-Joint-94/12 : Author(s): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)
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Proposal for a SCOR Working Group to identify Ecosystem Essential Ocean Variables for measuring change in the biological properties of marine ecosystems
the Southern Ocean Observing System (SOOS) Science Steering Committee in conjuction with discussions ... Group is to develop a set of essential variables for monitoring that would contribute to assessments of ... detailed in this paper. It is recommended that the Scientific Committee of CCAMLR become involved in this ... involved in the CCAMLR Ecosystem Monitoring Program. The outcomes of this working group will be important ...
Meeting Document : WG-EMM-12/45 : Author(s): A. Constable (Australia)
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Historical data synthesis in the Southern Ocean: Priority data sets
give an example of an historical data rescue project that is being conducted by ICED scientists ... give an example of an historical data rescue project that is being conducted by ICED scientists ...
Meeting Document : WG-EMM-13/19 : Author(s): N.M. Johnston, E.J. Murphy, J.R.D. Silk, C.M. Waluda, S.L. Hill and R.D. Cavanagh (United Kingdom) on behalf of the ICED Scientific Steering Committee
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A critical issue for feedback management – how do we determine the level of functional overlap between krill fishing operations and penguin foraging activity?
functional overlap occurs, other measures, consistent with the precautionary approach, should be considered ... penguin colonies that are close to the fisheries footprint have also increased. As yet, it is not clear ... competition would occur where there is significant functional overlap (that is, the fishery and the penguins ...
Meeting Document : WG-EMM-15/11 : Author(s): P.N. Trathan, J.R.D. Silk, S.L. Hill (United Kingdom) and H.J. Lynch (USA)