Search results
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A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels
fishing activities in waters around the island of South Georgia on 24 August 2013 (Figure 3). Typical ... obtained by applying the ‘school detection’ module (Higginbottom et al., 2008; Diner, 2001) to the 120 ... . ICES J. Mar. Sci., 60 (3): 625–635. Diner, N. 2001. Correction on school geometry and density ... around South Georgia on 24 August 2013. ‐38.5 ‐38.0 ‐37.5 ‐37.0 ‐36.5 ‐36.0 ‐35.5‐55.0 ‐54.5 ‐54.0 ... Antarctic krill (Euphausia superba), yet the quality and even the utility of the data may be seriously ... Chinese krill fishing vessel. Results show that the interference noise was effectively reduced while ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Author(s): Wang, X., J. Zhang and X. Zhao
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A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3
being measured and, if possible, weighed before being double tagged with T-bar tags either side ... Observations Injuries were mainly incurred as mouth damage from the hook as the fish was being hauled ... , as body damage from the gaffe pole as the fish was being brought onto the vessel, and as mouth damage ... being landed in previous years. Once in the tanks most fish were inactive except when being handled ... . Toothfish were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel ... , fish with a variety of injuries were selected to see if this affected recovery. In the final analysis ... , 396 animals were included, with an overall survivorship of 90%. Smaller animals and animals in better ... suggest that experienced observers using animals in good condition would normally achieve a toothfish post ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Author(s): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno
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Observation of seabirds in the Southern Ocean in 1988/89
,l\OB B HccRe,l\yeMbIti nepHO,l\. IToKa3aHa 3HaqHTeJIbHa.5I HepaBHoMepHocTb KOJIHqeCT- BeHHoro pacnpe ... of the Antarctic petrel re-emerged. Its abundance was more than 1 000 in mixed flocks while the numbers of snow ... predominated in mixed flocks. In the Indian Ocean sector single specimens of the snow petrel were only sighted ... CTaHL\H5.I BeJlJlHHrcraY3eHa - CTaHL\H5.I )lPY)I{Ha5.1 (11 - 28 ,l(eKa6p5.1 1988 r,). YCJlOBHbIe ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Author(s): Vagin, A.V. and V.V. Popov
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Analysis of haul data from the South Georgia krill fishery
, with 1995 being a better season than either 1994 or 1996. Aspects of mesoscale variability are discussed ... , with 1995 being a better season than either 1994 or 1996. Aspects of mesoscale variability are discussed ... , with 1995 being a better season than either 1994 or 1996. Aspects of mesoscale variability are discussed ... , H O C A B I U H ~ ~ r e o r p a @ n u e c ~ ~ c o c p e n o ~ o v e ~ ~ b ~ f i xapaeTep, npoBoAancrr B OrPaHHVeHHOM pafi0~e - BnOJIb rPaHAQbI LUenb@a Y CeBePHOrO no6epemba OCTpOBa ... , O ~ ~ I Y H O 6 6 1 ~ 0 KOpOTKllM H Man0 kl3MeHIIJIOC6, B TO BpeMII KaK nepHOA @ ~ K T I ? ~ ~ C K O ~ O BeAeHHX IIpOMbICna 66111 ... IlOYTLl ~ a ~ 0 f i Xe npOAOnXllTeJIbHOCTll H Ta~0fi Xe CTeneHki H3MeHYABOCTH, YTO M nepllOA Be ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
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Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area
μm at 500 days (TL 13.1 cm). The pelagic stage of egg incubation development for fish of the 2001/02 ... ). The pelagic stage of egg incubation development for fish of the 2001/02 year class lasted four months ... at 500 days (TL 13.1 cm). The pelagic stage of egg incubation development for fi sh of the 2001/02 year ... la classe d'âge de 2001/02 a duré 4 mois. Cette estimation est fondée sur le comptage rétrospectif ... см). Пелагическая стадия инкубационного периода развития икры для рыбы годового класса 2001/02 ... ; Lisovenko, 1982; Frolkina, 1989, 1999, 2001, 2002) has demonstrated that fi sh with gonads at stages II ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Author(s): Shcherbich, L.V
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
of females was 1:3.6. Figure 4 presents data collected in August 1991 off the coast of Valdivia from ... 75.9 2001 to 3 000 3 72 - 131 97.0 4 75 - 133 95.4 113 O°r-__ ~96 ... 4 8 HOOK SIZE 3 2001-3000 n=29 12 2001-3000m n=69 10 6 8 4 6 4 2 2 0 0 50 60 70 90 110 ... the coast of Valdivia, South East Pacific, are also taken into consideration. The data show that ... caught with straight hooks Nos 3 and 4 are not significantly different, but hooks No. 3 are nearly 31 ... worth noting that the ratio of females increases significantly in catches, when the size of straight ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Author(s): Moreno, C.A.
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Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors
,llOBOM 201 202 COCTaBe HaOJIIO,llaJIC.SI B TeX )I(e paflOHaX (CyoaHTapKTlPleCKFle BO,llbI ... ) .BOJIblliFle Fl3MeHeHFI.SI B BFI,llOBOM COCTaBe ~FlTOnJIaHKTOHa TaK)I(e HaOJIIO,llaJIFlCb y Ma TepFlKa ... (3aJIFlB AJIallleeBa). 3a nepFlO,ll npOBe,lleHFI.SI HaOJIIO,lleHFlfI MaKCFlMaJIbHble Be ... of the community (C. criophilus dominated again) and the surface temperature increased. The community of mixed ... samples (layer between 0 and 1 m) taken with a sampler towed by RV Professor Vize, Corethron criophilus ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Author(s): Makarov, R.R. and K.P. Fedorov
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A hybrid approach to acoustic classification and length estimation of krill
ed and counted. If the catch was large, the mean length of each species being compared with acous ... , the aggregations that could be misclassifi ed (e.g. mixed hauls or hauls dominated by other scatter- ers) were ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Author(s): Azzali, M., I. Leonori and G. Lanciani
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Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density
and Brierley, 2001). It has been shown previously (Reid and Brierley, 2001) that sizes of krill in predator ... following the mooring being dragged prema- turely to the surface by fi shing gear. The mooring ... may occur against the predominately low winter signal (e.g. July–August in 2005) (Figure ... 2002 and 29 December 2005, with krill densities being high during sum- mer (89.5 g m–2, SD 64.2 ... estimates with the observed pattern of within-year variability showed that some of the apparent ‘year-to ... /2000. Moored instruments provide valuable data that could be important for ecosystem-based management ... = 64.2). A sinusoidal regression model (period = 52 weeks) with time as the independent variable ... surveys in adjacent time periods, suggesting that the point estimates from moored instruments were ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Author(s): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
., 2000 for review) will result in the likelihood of significant adverse encounters with VMEs being ... databases (such as SCAR-MarBIN www.scar- marbin.be or Seamounts Online http://seamounts. sdsc.edu ... al., 2001; Johnson, 2002; Troffe et al., 2005) (Table 6). Furthermore, much of the information ... ; Gutt and Starmans, 2001; Barnes and Conlan, 2007; Teixidó et al., 2007). Risk evaluation Once ... should be reviewed annually to ensure that all relevant or new information has been included, appropriate ... measure in 2007 to ensure that significant adverse impacts of bottom fishing gear on Vulnerable Marine ... presence and the consequences of interaction with different types of gear, a risk-management framework is ... proposed, similar to that which has been used successfully to minimise the effects of longline fishing ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Author(s): Martin-Smith, K