Search results
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What’s the catch? Profiling the risks and costs associated with marine protected areas and displaced fishing in the Scotia Sea
PLos ONE (submitted) ... discussed for achieving a range of protection and sustainable use objectives. Here, we evaluated two MPA ... that neither MPA scenario increased the risks of depleting krill predators when closed areas included ca. 80 ... discussed for achieving a range of protection and sustainable use objectives. Here, we evaluated two MPA ...
Meeting Document : WS-SM-18/P03 : Author(s): E.S. Klein and G.M. Watters
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Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector
was somewhat higher,with the highest increment being observed at the 1st and 2nd years of life. Limiting age ... become mature at the 3rd year of life at 85-89 mm length. Determined differences of the length–age ... ,with the highest increment being observed at the 1st and 2nd years of life. Limiting age for fish from the notal ... year of life at 85-89 mm length. Determined differences of the length–age and length–weight ...
Meeting Document : WG-FSA-90/21 : Author(s): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)
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PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH, CHAMPSOCEPHALUS GUNNARI, IN THE VICINITY OF HEARD ISLAND AND MCDONALD ISLANDS (DIVISION 58.5.2), BASED ON A SURVEY IN APRIL 2009, USING THE GENERALISED YIELD MODEL
year class detected in the last two years’ surveys is now fully recruited as the 3+ cohort ... of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong year class ... detected in the last two years’ surveys is now fully recruited as the 3+ cohort, and dominates ... of yield for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong ...
Meeting Document : WG-FSA-09/33 : Author(s): D.C. Welsford (Australia)
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On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model
. This solution brings with it new problems, however, in that two further parameters need to be specified: one ... brings with it new problems, however, in that two further parameters need to be specified: one reflects ... Abstract: The krill-predators model is generalised by splitting post-first-year animals ... The krill-predators model is generalised by splitting post-first-year animals into adults and sub ...
Meeting Document : WG-EMM-95/39 : Author(s): Butterworth, D.S., Thomson, R.B.
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An examination of latitudinal variation in the growth rates of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
between 62.5° and 75° S. However, fish between the ages of 6 and 15 years in the southernmost zone (75–78 ... between 62.5° and 75° S. However, fish between the ages of 6 and 15 years in the southernmost zone (75–78 ... Abstract: Following a finding that a small sample of aged Dissostichus mawsoni from McMurdo Sound ... was conducted. Length-at-age of Dissostichus mawsoni was compared across five zones in a 15.5° latitudinal range ...
Meeting Document : WG-FSA-03/30 : Author(s): P.L. Horn (New Zealand)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in Subarea 58.4.1 in 2014/15
known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one extends from ... extends from the SSRU 58.4.1C to the SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population ... the SSRU 58.4.1C to the SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population sizes were ...
Meeting Document : WG-FSA-14/38 : Author(s): Delegation of the Republic of Korea
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POPULATION ASSESSMENTS OF GENTOO PENGUINS (PYGOSCELIS PAPUA) BREEDING AT AN IMPORTANT ANTARCTIC TOURIST SITE, GOUDIER ISLAND, PORT LOCKROY, PALMER ARCHIPELAGO, ANTARCTICA
Peninsula; it is one of the most frequently visited tourist sites in Antarctica. A number of gentoo penguin ... (Pygoscelis papua) breeding colonies are located on the island and these have been the focus of one ... of breeding pairs. One of these declining colonies is used to determine the breeding chronology dates for all ... ; it is one of the most frequently visited tourist sites in Antarctica. A number of gentoo penguin (Pygoscelis ...
Meeting Document : WG-EMM-09/P07 : Author(s): P.N. Trathan, J. Forcada, R. Atkinson, R.H. Downie and J.R. Shears
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Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2
undertaken in Divisions 58.4.1 and 58.4.2 during the 2012 to 2018 seasons. Fish by-catch comprised 14 species ... or groups of species. In 2018, by-catch represented 12% of the total catch (43 tonnes over 307 tonnes ... where Macrourus CPUE also increased in the last 3 years. Macrourus CPUE was 23kg/1000 hooks in average ... within research blocks. Length at 50% maturity was estimated for the two most common species of Macrourus ...
Meeting Document : WG-FSA-18/28 : Author(s): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel
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An examination of variance and sample size for female Antarctic fur seal trip durations
of sample size in detecting differences between two years of fur seal trip duration data. Female foraging ... in detecting differences between two years of fur seal trip duration data. Female foraging trip duration ... trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ... , Livingston Island was used to calculate minimum sample sizes necessary to detect differences from year ...
Meeting Document : WG-EMM-99/45 : Author(s): M.E. Goebel (USA)
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Modelling egg and larval transport of Antarctic toothfish (Dissostichus mawsoni) in the East Antarctic region: preliminary result using satellite data
Abstract: Using two different surface geostrophic filed data (A-1: without and A-2: with temporal ... eddy activity) covering 2011-2018, we developed the particle tracking model to investigate egg ... 2-year simulation. From the result of the BB region, while strong self retention on the BB was observed ... to the nursery areas in about 3 months-2 years by different local oceanic dynamics. Author(s): M. Mori ...
Meeting Document : WG-FSA-2019/63 : Author(s): M. Mori, K. Mizobata, T. Okuda and T. Ichii