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Describing krill: swarms or integration intervals?
, rather than the current integration grid approach, may facilitate the semi-automated processing of ... research station in the East Antarctic (66 o 25' S 63 o 14' E). I found 61 % overlap between the ... variance estimates for conventional grid-based swarm-based krill density. The processing time of the swarm ... -based appraoch was half that of the standard grid-based technique. Whilst additional test data sets are ...
Meeting Document : SG-ASAM-17/02 : Автор(ы): M.J. Cox
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Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
the end of 2019 and observations until the end of 2018. The updated assessment model is based on the ... best available estimates of model parameters, the use of abundance estimates from a random stratified ... -2018, and auxiliary commercial composition data to aid with the estimation of year class strength and ... selectivity functions of the trawl, longline and trap sub-fisheries. Compared to the 2017 assessment that was ...
Meeting Document : WG-FSA-2019/32 : Автор(ы): P. Ziegler
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Using compact video camera technology for rapid deep-sea benthic habitat assessment
voyage on the shelf-break of East Antarctica, greatly improved the efficiency of selection of sites for ... Ocean benthos, has a wider application in deep-sea marine research. The use of the system as a drop ... quantitative sampling. The system is also promoted for estimates of krill biomass, swarm dynamics and ... reproduction, and ground-truthing remote data for habitat mapping. The main advantages of using this system as ...
Meeting Document : WG-EMM-10/24 : Автор(ы): G.P. Ewing, R. Kilpatrick, A.J. Constable and D.C. Welsford (Australia)
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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 ... . 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 ... Southern Ocean are predicted by models to rise to above 1500 μatm in some parts of krill’s depth range by ...
Meeting Document : WG-EMM-14/P06 : Автор(ы): S. Kawaguchi, A. Ishida, R. King, B. Raymond, N. Waller, A. Constable, S. Nicol, M. Wakit and A. Ishimatsu
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Global MPAs and marine reserves: lessons learned and implications for CCAMLR
. One major study published this year identified five characteristics of MPAs that achieved ... years), large (>100km 2) and isolated by deep water or sand” (Edgar et al. 2014). Two analyses of New ... Zealand’s system of marine reserves, which has now been in place for several decades, indicate unexpected ... should consider these findings as they discuss the current Ross Sea and East Antarctica proposals, as ...
Meeting Document : CCAMLR-XXXIII/BG/20 : Автор(ы): Submitted by ASOC
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Oceanic condition and zooplankton distribution/ abundance in Bransfield Strait during austral summer 1989/1990
east of Trinity Island, then joins the Bellingshausen Sea water (warm and less saline water) near the ... to hydrographic condition, a total of 29 sampling stations was occupied for the CTD casts and ... plankton towings in a systematic grid from December 29, 1989 to January 7, 1990. Comparisons of temperature ... south of Deception Island, and meanders northeastward in the surface layer of the northern strait ...
Meeting Document : WG-KRILL-91/14 : Автор(ы): S.M. Kim and M.S. Suk (Korea)
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Krill biomass estimates for South Georgia, December and January 1996/97
conducted within two 80 x 100 km areas over the shelf-break to the north-east and north-west of South ... Georgia during December/January 1996/97. Netting suggested that the mean lengths of krill within the ... box-specific krill target strength (TS) values of-38.89 and-38.59 dB kg-1. Acoustic signals believed ... to be attributable to krill were identified on the basis of the difference between mean volume ...
Meeting Document : WG-EMM-97/48 : Автор(ы): Goss, C., Watkins, J.L., Brierley, A.S.
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Second International Fishers Forum: executive summary Western Pacific Regional Fishery Management Council
Abstract: While work to develop solutions to reduce the bycatch of seabirds and sea turtles by ... the waters of many nations during their life cycle. To further this cause, the Western Pacific Fishery ... , New Zealand in November 2000. IFF2 widened the focus of IFF1 to address the bycatch of sea turtles as ... Atlantic, East and Central Pacific, North Pacific and South Pacific participated in IFF2. The 4-day meeting ...
Meeting Document : WG-FSA-03/25
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Mean circulation and hydrography in the Ross Sea sector, Southern Ocean: representation in numerical models
hydrography. Two were climate models of low (1°) to intermediate resolution (1/3°), and one was an operational ... and monthly variability aspects of off-shelf circulation are consistently represented, and could imply ... –east flow is relatively consistent with that reconstructed from longline fishing records. These flows ... Front and on-shelf deep water formation, and these models transport some 4 Sv of this bottom water ...
Meeting Document : WG-EMM-10/P13 : Автор(ы): G.J. Rickard, M.J. Roberts, M.J.M. Williams, A. Dunn and M.H. Smith (2010)
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PHYSICAL CONTROLS ON CORAL COMMUNITIES ON THE GEORGE V LAND SLOPE: SOME WORKING HYPOTHESES
the benthos. Maps of water properties measured during the Collaborative East Antarctic Marine Census ... their likely distribution. The CEAMARC survey of 2007/2008 found these communities at sites on the upper ... slope in depths of 570 – 950 m. Based on these results we propose some working hypotheses to explain ... their distribution. Icebergs scour to 500 m in this region and the lack of such disturbance is probably ...
Meeting Document : WS-VME-09/04 : Автор(ы): De Santis, L., Riddle, M.J., Beaman, R.J., Post, A.L., O’Brien, P.E.
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