Search results
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
, when 885 and 353 kg were taken northwest and east of Seal Rocks in December (Figure 4). Length ... Paper Title: Preliminary results of a bottom trawl survey around Elephant Island in October and ... December 1987 Abstract / Description: A total of 40 bottom trawl hauls was carried out onboard RV ... proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... other shelf areas of the Peninsula region. File: 09-Kock.pdf ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Author(s): Kock, K.-H.
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A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
ζy’ factors also dis- tributed as N(0, 2Rσ ), where σR = 0.5. Naturally, the value selected for σR ... Zealand, April 2003: www.ccsbt.org/docs/pdf/meeting_ reports/ccsbt_10/report_of_mpws2.pdf. Cooke, J.G ... ) resource in the Prince Edward Islands vicinity Abstract / Description: The status of the toothfish ... future TACs in the face of this appreciable uncertainty. Four Operating Models (OMs) reflecting ... developed which take account of the different selectivities of past longline and pot fisheries. These OMs ... are used for trials of a candidate generic MP which could provide future TAC recommendations for this ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Author(s): Brandão, A. and D.S. Butterworth
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Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning
current (ACC) Front) and 5 (Antarctic open ocean) are dis- tributed across large spatial areas ... in development for significantly larger MPAs in the Ross Sea and East Antarctica (~1 000 km in linear boundary ... and 58.4.2 are both subdivided between east and west. Trigger level in force in Division 58.4.2 until catch ... Paper Title: Spatial distribution of management measures, Antarctic krill catch and Southern ... conservation planning for developing marine spatial protection includes analysis of the spatial distribution of ... . The analysis required standardised information on the location and extent of spatial fisheries ... season, 64% of the CAMLR Convention Area was open to fishing for at least one species. There were ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Author(s): Grant, S.M., S.L. Hill and P.T. Fretwell
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Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
PENINSULA) M. La Mesa and A. De Felice ISMAR-CNR, Istituto di Scienze Marine Sezione Pesca Marittima di ... reading was carried out. When the difference remained, the otolith section was dis- carded. To estimate ... of spiny icefish off Joinville–D’Urville Islands In: di Prisco, G., B. Maresca and B. Tota (Eds). Biology ... and East German vessels, yielding an over- all catch of 14 450 tonnes in the two fishing seasons 1979–1981 ... Paper Title: Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville ... –D’Urville Islands (Antarctic Peninsula) Abstract / Description: Age and growth of spiny icefish ... (Chaenodraco wilsoni) were investigated using counts of annual growth increments from sagittal otoliths ... Islands (Antarctic Peninsula) in February–March 2006 and January 2007. A total of 218 specimens were ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Author(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock
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Possible effects of different levels of krill fishing on predators – some initial modelling attempts
of loss of krill to natural mortality because of changing predator numbers is ignored. The approach ... population must, under optimal conditions, be capable of more than balancing the losses to natural ... to offset losses to natural mortality, and the population would not persist. One reason for this apparent ... penguin is known to be negatively biased due to band loss and is possibly further influenced by band ... Paper Title: Possible effects of different levels of krill fishing on predators – some initial ... suggested by the Joint Meeting of CCAMLR's Working Group on Krill (WG-Krill) and Working Group for the ... CCAMLR Ecosystem Monitoring Program (WG-CEMP) in 1992, in order to investigate the possible effects of ... krill fishing on krill predators. First, estimates are made of the parameters of predator survival rates ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Author(s): Butterworth, D.S. and R.B. Thomson
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Archival and satellite-linked data recorders
exceeds a preset Time-Out period. This prevents total battery exaustion and possible loss of data from ... provides an overview of currently-available data recorders for use in research on marine animals. These ... recorders are deployed on freely swimming animals and gather data on aspects of an animal’'s diving ... behaviour. The records can be recovered in one of two ways: the data recorder must either be recovered ... intact, or the data recorder must be capable of disseminating its data via a radio link, such as the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Author(s): Hill, R.D.
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Cephalopod research in the Antarctic
major fisheries for squid exist adjacent to the Southern Ocean, in the south-east Pacific and South ... major component of the Antarctic marine food web and it seems inevitable that they will be the subject ... of future commercial exploitation. Research is being carried out at BAS on the species composition ... and distribution of Antarctic cephalopods, their production and biomass, population dynamics and ... policy for management of Antarctic cephalopods. In view of the rapidity that cephalopod fisheries can ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Author(s): Rodhouse, P.G.
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Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?
‘insurance’ against TDR failure or loss on the seabed, or improper deployment during setting (e.g. jamming ... Paper Title: Seabird by-catch by autoline vessels: do line setters increase the sink rate of ... . A trial was conducted in the Ross Sea to determine the effectiveness of line setters in increasing ... the sink rates of IW longlines. Time-depth recorders were deployed on lines set with and without a ... line setter using a paired-treatment design. Sink rates of longlines set with and without a line setter ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Author(s): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith
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Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys
to 10 April. The bulk of the biomass was found to be spread along the Antarctic Frontal Zone east ... Paper Title: Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by ... acoustic surveys Abstract / Description: Acoustic surveys carried out in the summer and autumn of 1987 ... -1989 estimated the biomass of myctophids in the Atlantic sector of the Southern Ocean between 48° and ... 56° and from 8° to 48°W to be approximately 1.7x10 6 tonnes. Over the greater part of the surveyed ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Author(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva
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Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of King George Island, 1988
) and east of Elephant Island (336 n miles2), and the area north of King George Island (3 239 n miles2) so ... Paper Title: Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of ... in most areas covered by last year’s survey. The total biomass in the vicinity of Elephant Island was ... estimated from 120 kHz data to be 260k tonnes and that in the Bransfield Strait south of King George Island ... was 39k tonnes for a total of 299k tonnes in the combined areas. The estimated 200 kHz survey data ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 357–377 : Author(s): Macaulay, M.C.