Search results
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Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
Factors that may InFluence the accuracy oF abundance estImates From ccamlr tag-recapture programs ... . Similarly, fish that are hooked on gear that is subsequently lost, or that are caught in IUU gear, may ... programs. The methods that have been used in CCAMLR tag-recapture programs to mitigate such biases, or to ... account for their effects in stock assessments for Dissostichus spp. are also summarised. In nearly all ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Author(s): Welsford, D.C. and P.E. Ziegler
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
que ce chevauchement tend a diminuer depuis 1988. B ~ H H ~ I ~ IIO o 6 w e ~ y BbInOBy KPMJIR ... Island: 230 - 3102; Clarence Island and eastern tip of King George Island: 040 - 120'; other outer ... fishery in the South Shetland Islands and Antarctic Peninsula Abstract / Description: CCAMLR has been ... using the total catch of krill taken within 100 km of penguin colonies in their breeding season ... distribution of the krill fishery in Subarea 48.1 (South Shetland Islands). As this index has proven unsuitable ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Author(s): Agnew, D.J. and G. Phegan
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Australian research on Antarctic bird and seal diets
at Davis Station (68°30'S:77°50'E), in the south-eastern corner of the Prydz Bay Priority Area of CEMP ... data on the diets of important vertebrate predator species in Prydz Bay and around the sub-Antarctic ... results are collated and summarised, and several important points emerge. In Prydz Bay, on which is ... Pleuragramma antarcticum are important in most diets, and many predators can switch between prey species. The ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Author(s): Williams, R.
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Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity
of the toothfish sets took place off the northern and eastern side of the island (Marine and Coastal Management ... adults during short foraging trips could exist at different locations on Marion Island ... island, 1996/97 and 1997/98: in relation to longline fishing activity Abstract / Description: Marine ... debris found in association with seabirds at sub-Antarctic Marion Island for the period May 1996 to April ... suspending Patagonian toothfish (Dissostichus eleginoides) in blast freezers and 23 toothfish hooks were ... been found in association with seabird nests at Marion Island. Fishery-related marine debris was found ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Author(s): Nel, D.C. and J.L. Nel
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
, eastern and west- ern) of the survey area are fully included in the French EEZ (Figure ... in the northern and north- eastern limit of the 200 m isobath; (iii) L. squamifrons exhibits some areas of high ... Paper Title: Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR ... conducted from September to October 2006 in the northern part of the Kerguelen Plateau (CCAMLR Statistical ... Division 58.5.1). The swept-area method was used in the depth range from 100 to 1 000 m with 207 random ... , their biomass during the period between the two surveys. In addition to the commercial species ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Author(s): Duhamel, G. and M. Hautecoeur
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Spawning locations of mackerel icefish at South Georgia
to the north of South Georgia and the fourth close to Drygalski Fjord at the eastern end of the island ... . There are also indications of a possible second spawning season in January, although the evidence is ... weak. Concentrations of larval icefish within Cumberland Bay are an order of magnitude higher than in ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Author(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock
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Acoustic estimates of krill density at South Georgia, 1981 to 1998
occasions for which it has been possible to estimate krill density separately for the eastern and western ... ., 19 (6): 393-398. T ra than , P.N. , D.J . Agnew, D.G.M. Miller, J .L. Watk ins ... separate density estimates for northeastern and northwestern South Georgia, and in four of these seasons ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
. In these years more eastern areas were targeted by the fishery. The analyses emphasise that it is necessary ... Paper Title: Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed ... on fine-scale (0.5 o latitude x 1 o longitude) data show that harvesting in the Scotia Sea has been ... mainly in shelf and shelf-break areas on the northern side of the Scotia Arc. Regional analyses reveal ... trawl statistics have been recorded in the South Georgia area. Analyses of these data show marked ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Author(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)
a egalement ete etudiee. Pe310Me 3a nepHO,lt C 1987 no 1989 rr. BllliPO (CCCP) 6bIJIO BbInOJIHeHO weCTb ... . 1. IN1RODUCTION Lantern fish, or myctophids (Myctophidae), are widely distributed throughout the Southern Ocean ... were most frequently recorded in the eastern sector of the area (30° to 25°W) where sub-Antarctic ... Paper Title: Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in ... / Description: From 1987 to 1989 VNIRO (USSR) conducted six trawl and acoustic surveys in the area to the north ... inter-annual variability in distribution, density and biomass of the most abundant species of myctophids ... , Electrona carlsbergi, are analyzed and summarized in this paper. The species is also known to form large ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Author(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
include days spent waiting for fuel or for catch transhipment and time lost due to other operational ... Paper Title: CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their ... possible utility for evaluation of relative changes in krill biomass Abstract / Description: Key catch-per ... -unit-effort (CPUE) indices used in Soviet krill fishery statistics, as well as the main sources of data ... fluctuations in haul duration due to the different fishing strategies used when targeting krill intended for ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Author(s): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov