Search results
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A hybrid approach to acoustic classification and length estimation of krill
to the acoustic detection of aggregations (targeting hauls). At each sampling site, euphausiids were identi- fi ... / Description: The problem of acoustically identifying and estimating the sizes of two euphausiid species is ... components are the mean ratios of the volume backscattering coefficients, measured at two different ... frequencies. The decisions on the species and the relative misclassification errors are calculated ... are derived by integrating the individual decisions. The size structure of the classified aggregation ...
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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An assessment of toothfish in Subarea 48.3 using CASAL
a dataset of releases at length by year and evaluación, como también una gama de sensibilidades de la ... paper presents an assessment of the stock of toothfish around South Georgia (Subarea 48.3) using the ... CASAL stock assessment software (Bull et al., 2005). Detailed attention is given to the incorporation of ... as much of the available tuning data as possible, as well as a whole range of assessment ... sensitivities – to fixed parametric assumptions, model structures and alternative data scenarios. Given the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Author(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
Paper Title: An integrated stock assessment for the Patagonian toothfish (Dissostichus ... eleginoides) for the Heard and McDonald Islands using CASAL Abstract / Description: An integrated stock ... assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (CCAMLR ... ) abundance estimates by length bin, commercial catch-at-length data, standardised CPUE series for the trawl ... IntegrAted Stock ASSeSSment for the PAtAgonIAn toothfISh (Dissostichus eleginoiDes) for the heArd And ... mcdonAld ISlAndS uSIng cASAl S.G. Candy and A.J. Constable Department of the Environment, Water ... , Heritage and the Arts Australian Antarctic Division 203 Channel Highway, Kingston 7050 Tasmania ... , Australia Email – steve.candy@aad.gov.au Abstract An integrated stock assessment for the Patagonian ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable
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Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987
Paper Title: Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor ... Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August ... , 1987 Abstract / Description: The results of the first joint Soviet-Australian expedition to the AFZ ... around Heard and McDonald Islands are briefly reported. Environmental conditions of the shelf area of ... revealed no trace of fish and catches in the 11 trawls were low. Catches ranged from several kg to 300 ... - 75 - SC-CAMLR-VI/BG/16 BRIEF REPORT OF THE JOINT ... SOVIET-AUSTRALIAN EXPEDITION OF THE USSR FRV PROFESSOR MESYATSEV TO THE AUSTRALIAN FISHING ZONE AROUND ... THE TERRITORY OF HEARD AND MCDONALD ISLANDS, MAY-AUGUST, 1987 V.V. Gherasimchook, V.N.- Brodin, A.V ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Author(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba
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Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited
Paper Title: Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny ... icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited Abstract / Description ... : The former fishing ground off Joinville–D’Urville Islands was revisited in the course of the Antarctic ... Expedition ANT XIX/3 by RV Polarstern in February 2002. Five hauls were conducted north of the two islands at ... were used. No information was available on pelagic trawls used to catch C. wilsoni off the bottom ... concentrations of C. wilsoni were continued in 1979/80 by the Werner Kube. No aggregations of fi sh were found ... aggregations were found and subsequently, no commercial fi shing continued (Gubsch, pers. comm.). The ... detected no concentrations of C. wilsoni and the fi shing effort was low. The USSR vessel Parallaks found ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Author(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina
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Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise
;;i ~ a 6 n m ~ e ~ m f i 16 IIoCTaHOBOK RpyCa 0,75% p616 6b1no IIOTepXHO MY-3a CpbIBa C KPWYKOB MOPCKKMH KOTMKBMH ... ) noCTaHOBKy 5IpyCa k CTaHAapTHoe OTKJIOHeHHe. UHdppb1 B C K O ~ K ~ X - 3 T 0 MklHAMaJlbHble ... Paper Title: Interaction of marine mammals with the longline fishery around the Kerguelen Islands ... (Division 58.5.1) during the 1995/96 cruise Abstract / Description: The only interaction observed between ... longliners fishing for Patagonian toothfish (Dissostichus eleginoides) to the west of the Kerguelen Islands ... during the 1995/96 cruise and marine mammals occurred with the Antarctic fur seal (Arctocephalus gazella ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Author(s): Capdeville, D
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
Paper Title: Notes on the use of virtual population analysis for stock assessment of the mackerel ... icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons ... Abstract / Description: Following on from the apparent failure of the CCAMLR Working Group on Fish Stock ... Assessment (WG-FSA) to satisfactorily assess in 1991 the status of the Champsocephalus gunnari population in ... . gunnari population in Subarea 48.3. Closure of the fishery in 1991/92 resulted in no commercial catch in ... the most recent year, and hence no terminal Fs for the VPA. This report presents notes on a reworking ... . 3.2 ADAPT Runs ADAPT runs 1 to 4 provided no satisfactory results. The constraint was set to its ... in Table 10, with residuals plotted in Figure 5. No attempt was made to re-run the analysis ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Author(s): Parkes, G.
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Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl
OT 158 QO 202 c~aqai i , IIpOBOAHnHCb HayYHO-HCCfleQOBaTenbCKkiMM CyAaMH CCCP B neTHe-OCeHHHe ... Paper Title: Krill distribution in the western Atlantic sector of the Southern Ocean during 1983 ... /84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs ... -Kidd midwater trawl Abstract / Description: In this paper we consider the results of three mesoscale ... surveys covering a wide area of krill distribution between the Antarctic Peninsula and South Georgia ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Author(s): Sushin, V.A. and K.E. Shulgovsky
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The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns
Paper Title: The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991 ... : fishing effort distribution and interannual patterns Abstract / Description: Data on the Soviet krill ... fishery in the Atlantic Sector of the Antarctic from 1977 to 1992 are discussed. The total fishing effort ... from 1977 to 1991 was 50 086 vessel-days fished, in Subareas 48.3 (45% of the total for the period ... that period (Table 2). Unfortunately there were no standard abbrevia- tions for some of the vessel ... of any clearly discernible eddies in the current fi eld, but due to lack of data, no reasons were ... . 10 (2003): 1–13 THE SOVIET KRILL FISHERY IN THE ATLANTIC SECTOR OF THE ANTARCTIC FROM 1977 TO 1991 ... Abstract Data on the Soviet krill fi shery in the Atlantic Sector of the Antarctic from 1977 to 1992 are ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Author(s): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky
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A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea based on data from predators
Paper Title: A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in ... the Scotia Sea based on data from predators Abstract / Description: Cephalopod fisheries world-wide ... mainly target species from two families, Loliginidae and Ommastrephidae. Fisheries for the latter have ... target species. It is likely, therefore, that exploitation of the sub-Antarctic ommastrephid species ... SC-CAMLR-IX/BG/13 A PRELIMINARY ASSESSMENT OF THE STOCK ... OF THE OMMASTREPHID SQUID MARTIALIA BY ADESI IN THE SCOTIA SEA BASED ON DATA FROM PREDATORS· P.G ... , Loliginidae and Ommastrephidae. Fisheries for the latter have been characterized by dramatically fluctuating ... exploitation of the sub-Antarctic ommastrephid species Martialia hyadesi will be attempted in the future. This ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 479–480 : Author(s): Rodhouse, P.G.