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Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
years, seasons and nations Abstract / Description: Patterns of fishing ground selection were ... remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... operations in Area 48, patterns of SSMU usage have changed. Three different patterns of seasonal SSMU ... of high krill density observed by scientific surveys, and possible reasons for this mismatch are ... : South Georgia West SGE: South Georgia East 481PA: Pelagic Area of FAO Subarea 48.1 482PA: Pelagic Area ... period have also been taken from SGW, which suggests a shift of fishing grounds from east to west as ... nAtions S. Kawaguchi and S. Nicol Australian Government Antarctic Division Department of Environment ... @aad.gov.au K. Taki and M. Naganobu National Research Institute of Far Seas Fisheries 2-12-4 Fukuura ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Autor(es): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
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An impact assessment framework for bottom fishing methods in the CAMLR Convention Area
preliminary assessment of bottom fishing impacts for the 2008/09 toothfish longline fishery. This paper ... illustrates the utility of the standardised approach and provides a methodological template for systematic ... necessary component of a full ecological risk assessment. File: 10sharp-et-al.pdf ... Zealand Ministry of Fisheries 101–103 The Terrace Wellington, New Zealand E-mail – ben.sharp ... @vanuatu.com.vu / ben.sharp@fish.govt.nz S.J. Parker National Institute of Water and Atmospheric Research Ltd ... PO Box 893, Nelson New Zealand 7040 N. Smith New Zealand Ministry of Fisheries 101–103 The ... approach in its preliminary assessment of bottom fishing impacts for the 2008/09 toothfish longline ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Autor(es): Sharp, B.R., S.J. Parker and N. Smith
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Surface water circulation in krill fishing areas near the South Shetland Islands
deployed in shelf and oceanic waters to the north of the South Shetland Islands. Each buoy was deployed ... with a drogue attached at a depth of 30 m to assess flow patterns at the depth range where krill tended ... buoy tracks, the surface circulation to the north of the South Shetlands shelf was described as a slow ... sluggish southwest current with a series of small-scale circular and semi-circular flows in the shelf ... . Naganobu National Research Institute of Far Seas Fisheries 5-7-1, Orido, Shimizu, 424 Japan Abstract ... oceanic waters to the north of the South Shetland Islands. Each buoy was deployed with a drogue attached ... at a depth of 30 m to assess flow patterns at the depth range where krill tended to be most abundant ... surface circulation to the north of the South Shetlands shelf was described as a slow sluggish southwest ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Autor(es): Ichii, T. and M. Naganobu
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Small scale krill surveys: simulations based on observed euphausiid distributions
Abstract / Description: An observed distribution of aggregations of the euphausiid, Meganyctiphanes ... norvegica is used to model the effects of krill swarm orientation and shape on the success of two proposed ... survey designs. The simulation involves a number of random paths of parallel or radially arranged ... transects passing through three distributions each of which is given four rotations. The results indicate ... distribution of aggregations of the euphausiid, Meganyctiphanes norvegica is used to model the effects of ... krill swarm orientation and shape on the success of two proposed survey designs. The simulation ... involves a number of random paths of parallel or radially arranged transects passing through three ... distributions each of which is given four rotations. The results indicate that the coefficient of variation ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 245–256 : Autor(es): Agnew, D.J. and S. Nicol
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The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3
November 1991 to 10 March 1992. A total of 3 382 tonnes was taken by one Bulgarian, five Russian and eight ... influenced by fishing depth, time of day or soak time, but was dependent on type of hook and geographical ... position. Fish caught around Shag Rocks were larger than to the north and southeast of South Georgia. CPUE ... 0.2 in the Bulgarian. These differences were probably a result of the different hook types used by the ... Shag Rocks, than in the east. However, the average weight of fish caught by the Russian fishery was ... Dissostichus eleginoides in Subarea 48.3 was open from 4 November 1991 to 10 March 1992. A total of 3 382 ... five-day period was 375 tonnes. Catch rate was not influenced by fishing depth, time of day or soak ... time, but was dependent on type of hook and geographical position. Fish caught around Shag Rocks were ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Autor(es): Agnew, D.J. and C.A. Moreno
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Choosing distance between acoustic survey tacks
on the basis of typical size of the surveyed region, allowable relative error in the biomass estimate ... , and the variation coefficient of the density values of the krill concentrations. It is recommended ... sufficiently small not to allow loss of information on the field of concentration density. Typical size 1 ... on the basis of typical size of the surveyed region, allowable relative error in the biomass ... estimate, and the variation coefficient of the density values of the krill concentrations. It is ... SURVEY TACKS I.L. Kalikhman, Z.I. Kizner, B.R. Zaripov, W.D. Tesler All-Union Research Institute of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Autor(es): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler
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Potential nursery areas for fish in the Prydz Bay region
for the shelf area of the Bay to be a nursery ground for nototheniid and channichthyid fish. Nearly ... break. The dominant size class was of 45 mm standard length, which corresponds to an age of 1 ... of the shelf. Although no specific nursery grounds were identified, the whole of the Prydz Bay shelf ... sampled (Figure 1), with the exception of a few in the southeast and east side of the Bay, where ice ... in January/February 1991 indicated the potential for the shelf area of the Bay to be a nursery ... were caught in a 30 minute haul) especially near the shelf break. The dominant size class was of 45 mm ... standard length, which corresponds to an age of 1+. Nototheniids and channichthyid juveniles were much ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 369–380 : Autor(es): Williams, R.
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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
in the ecosystems of the Antarctic region require a precautionary approach with respect to the human ... use of these ecosystems. In particular, resource harvesting requires enough basic knowledge, as well ... ecosystem. Due to the vastness and remoteness of the Antarctic region, research vessel capacity is not ... readily available for conventional coverage of harvested stocks and their ecosystems. This paper describes ... The Antarctic region is vulnerable to human activity. In particular, under the impact of global ... a result of ice reduction (Flores et al., 2012a; Flores et al., 2012b; Melbourne-Thomas et al ... ., 2013). Krill plays a key role in Antarctic marine ecosystems (Siegel, 2010). The combined impact of ... – requIrements and solutIons exemplIfIed wIth a new vessel O.R. Godø* Institute of Marine Research PO Box ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Autor(es): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
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Archival and satellite-linked data recorders
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 ... exaustion and possible loss of data from memory. * Time-out period is preselectable and hardwir~d at the ... DATA RECORDERS R.D. Hill (USA) Abstract This paper provides an overview of currently-available ... 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 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Autor(es): Hill, R.D.
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Cephalopod research in the Antarctic
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 ... . Rodhouse (United Kingdom) Abstract SC-CAMLR-VI/BG/ll Cephalopods are a 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 ... insufficient information at present for CCAMLR to formulate effective policy for management of Antarctic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Autor(es): Rodhouse, P.G.