Search results
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Distribution of salps near the South Shetland Islands; their ecological significance in the area
Abstract: Distribution and abundance of salps were studied near the South Shetland Islands during ... was dominant. Horizontal distribution of salps and krill did not overlap. Krill occurred abundantly at ... the high-chlorophyll a area, in contrast, salps exhibited high biomass in the area of low chlorophyll ... : Distribution of salps near the South Shetland Islands; their ecological significance in the area Approval ...
Meeting Document : WG-KRILL-93/17 : Author(s): J. Nishikawa, M. Naganobu, T. Ichii and K. Kawaguchi (Japan)
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Preliminary assessment of Subarea 48.3 mackerel icefish, Champsocephalus gunnari, based on the January 2013 survey
Abstract: A bootstrap procedure was applied to estimate the demersal biomass of mackerel icefish ... fishing season. Application of the CCAMLR rule, which ensures 75% biomass escapement after a two year ... projection period, yielded total allowable catch limit advice of 4635 tonnes for 2013/14 and 2659 tonnes for ... 2014/15. Author(s): C. Darby and T. Earl (United Kingdom) Title: Preliminary assessment of Subarea ...
Meeting Document : WG-FSA-13/27 : Author(s): C. Darby and T. Earl (United Kingdom)
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Echo integration in low signal to noise regimes: methods of noise estimation and removal
Abstract: The results of acoustic surveys, especially in low signal-to-noise regimes, are ... sensitive to the method used to exclude the contribution of background noise from the acoustic data. The use ... of thresholds to reject weak signals during data collection is inappropriate because the noise ... kHz with a Simrad EK500 are presented to demonstrate the highly variable nature of background noise. A ...
Meeting Document : WG-EMM-97/74 : Author(s): Higginbottom, I., Pauly, T.
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Development of the Patagonian toothfish (Dissostichus eleginoides) tagging program in Division 58.5.2, 1997–2014
; movement rates; growth; stock structure; and estimation of q of the trawl surveys; However, due to the ... spatial pattern of releases, toothfish movement, and recapture effort, it is unlikely that these data can ... recapture effort, are likely to rapidly improve the utility of this data for future assessments. Author(s ... ): D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia) Title: Development of the Patagonian ...
Meeting Document : WG-FSA-14/43 : Author(s): D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia)
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Hierarchical monitoring plans to determine patterns of change in the Antarctic Marine Ecosystem
the outcomes of the CEMP Review in 2003, and as a result highlight the intensity of monitoring ... monitoring could be employed to detect the first signs of change. Author(s): P. Trathan Title: Hierarchical ... monitoring plans to determine patterns of change in the Antarctic Marine Ecosystem Approval: Approved ...
Meeting Document : WS-SM-18/06 : Author(s): P. Trathan
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Distribution and abundance of larval fishes collected in the western Bransfield Strait region, 1986–87
types of net hauls. Gear differences, the restricted geographical coverage, and between year variability ... vicinity of Gerlache Strait and island shelf areas; larvae were infrequently collected in Drake Passage ... but low compared to that of Notothenia gibberifrons (0.12 mm day-1). Author(s): Delegation of USA ... Title: Distribution and abundance of larval fishes collected in the western Bransfield Strait region ...
Meeting Document : SC-CAMLR-VIII/BG/36 : Author(s): Delegation of USA
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Comparison of age readings by two otolith preparation techniques and readers
in interpretation of otolith banding patterns. Results suggest broad agreement in ages determined by ... and in interpretation of the break and burn preparation method to warrant further coordination and ... . This experiment highlights the importance of monitoring and comparing ageing protocols within and ... paired age difference statistically equal to zero, overall CV less than 10%, and slope of regression ...
Meeting Document : WG-FSA-14/53 : Author(s): S.J. Parker (New Zealand), A.F. Petrov (Russia), C.P. Sutton (New Zealand) and E.N. Kuznetsova (Russia)
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Antarctic krill; assessment of mesh size selectivity and escape mortality from trawls
(commenced in 2015) assessing size selectivity and escape mortality of Antarctic krill from trawl nets. The ... project is widely based on acquired experiences from a completed study Net Escapement of Antarctic krill ... offered free-of-charge by two Norwegian commercial fishing companies; Olympic Seafood AS and Aker ... size selectivity in the trawl body forward of the codend. Based on end results from the preceding ...
Meeting Document : WG-EMM-15/14 : Author(s): B.A. Krafft (Norway), L.A. Krag (Denmark), B. Herrmann, A. Engås, I. Bruheim and S. Nordrum (Norway)
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A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) to 2016–17
and SSRUs 882AB) together with biological characteristics of the catch of Antarctic toothfish through ... driven by location of fishing. The strongest time trend in the data is the change in the sex ratio over ... . Because the areas open to fishing will change in 2018, with the implementation of the Ross Sea region ... Title: A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A ...
Meeting Document : WG-FSA-17/07 : Author(s): S. Parker and S. Mormede
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Evidence of change to the environment, ecosystem and fishery within Area 48 indicates the need for continued precaution
changes are consistent with global evidence of the ecological effects of environmental change. At the same ... was used to set the trigger level. As a consequence of these major risk factors (increased catch ... for regularly reviewing whether its management of the krill fishery is suitably precautionary. At the ... precaution, should be retained. Author(s): S. Hill and A. Atkinson Title: Evidence of change to the ...
Meeting Document : WG-EMM-2019/29 : Author(s): S. Hill and A. Atkinson