Search results
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Preliminary assessment of toothfish in Subarea 48.3
would be appropriate, at least until catch-at-age data can confirm the strength of the 2007 cohort ... , at least until catch-at-age data can confirm the strength of the 2007 cohort. ... recruitment suggests a long-term yield of 3 200 t. If year class strengths have been low since 1994 ... and continue for the next 35 years then appropriate long-term yields could be as low as 975 tonnes ...
Meeting Document : WG-FSA-11/33 Rev. 1 : Author(s): T. Peatman, R.E. Mitchell, G. Parkes and D.J. Agnew (United Kingdom)
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Length-at-age juvenile Patagonian toothfish Dissostichus eleginoides
. Age based models are used to assess the status of the stocks of this species. Although age can ... the length density of juvenile toothfish in the catches had a clearly defined polymodal distribution. The age ... of each fish was estimated from the otoliths and the distribution of these ages matched closely the modal ... growth. Author(s): J. Ashford (USA), I. Everson (UK), C. Jones and S. Bobko (USA) Title: Length-at-age ...
Meeting Document : WG-FSA-01/16 : Author(s): J. Ashford (USA), I. Everson (UK), C. Jones and S. Bobko (USA)
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CCAMLR and climate change: the need for urgent action
in the Convention Area. In this paper, ASOC highlights two major scientific articles that were published this year ... Area. In this paper, ASOC highlights two major scientific articles that were published this year ...
Meeting Document : CCAMLR-XXXVII/BG/26 : Author(s): Submitted by ASOC
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
. File: 20-Pakhomov-and-Tseitlin.pdf ... are determined by age or size, then the first sample is formed by one group and the second one by at least two ... significantly and the population was of one age class. However here we came across an increase in the index ... with equation (3) the constant value A = 0.048 - 0.019 when T90 is within the above-mentioned range. The mean ... hamatus and Cryodraco antarcticus were first-year matured C. wilsoni (SL=17-20 cm) (37% each ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Author(s): Pakhomov, Y.A. and V.B. Tseitlin
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Volume 4: CCAMLR. 1992. Statistical Bulletin, Vol. 4 (1982–1991). CCAMLR, Hobart, Australia.
1 July to 30 June. Split-year data are shown under the calender year in which the split year ends ... ; for example, 1978 indicates the split-year 1 July 1977 to 30 June 1978. 2.5 Some tables describe data ... 5 Table 6 Table 7 Total catch in the Convention Area by species and split-year 1 ........... . Total ... in sections B and C and figures in sections D and E are by split-year SECTION D CATCH HISTORIES ...
Document : Site Section: Publications
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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)
concentrations throughout the year. Results of surveys showed that the distribution and behaviour ... of biomass of E. carlsbergi in the area indicated that its variability during the year is related ... to form large concentrations throughout the year. Results of surveys showed that the distribution ... the year is related to parameters of spatial and vertical distribution of fish. Interannual variability ... ** 9 to 12 December, 1988 687 17885 7 -102 26.0 18 to 20 December, 1988 676 11278 9 - 80 16.7 * density ... r,). PHCYHOK 10: 3x03anHcH CKOnJIeHHI1 E. carlsbergi Ha rJIy6HHax 40-130 M B BeqepHee BpeM5.I (19-20 qac) Ha ... : 3x03anHcH CKOnJIeHHI1 E. carlsbergi Ha yqaCTKe TpeTbel1 MHKpOCbeMKH Ha rJIy6HHax 70-80 M B ~HeBHoe (a) 17 ... WG-FSA-90/35 SEASONAL AND INTER· ANNUAL VARIABILITY ...
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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Admiralty Bay (South Shetland Islands) as a model area for the long-term marine monitoring program – reasons and opportunities
and ecological research (hundreds of papers in various disciplines published in a variety of scientific journals ... research (hundreds of papers in various disciplines published in a variety of scientific journals ...
Meeting Document : WG-EMM-14/59 : Author(s): A. Panasiuk-Chodnicka, M. Korczak-Abshire, M.I. Żmijewska, K. Chwedorzewska, E. Szymczak, D. Burska, D. Pryputniewicz-Flis and K. Łukawska-Matuszewska (Poland)
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Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?
every second. The TDRs were attached to the longline on 30 cm long snoods made from 9 mm rope ... flat against the longline. This enabled the TDRs to pass through the jaws of the line setter without ... of the TDRs. Sink times from the surface were evaluated to five target depths: 2, 3, 5, 10 and 20 ... is the prevalence of calm seas during the Ross Sea trial. As mentioned previously, especially important ... depth of longlines for given distances astern. This increase in depth is minor and unlikely to result in ...
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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Further development of coarse- and medium-scale spatially explicit population dynamics operating models for Antarctic toothfish in the Ross Sea region
Abstract: We present developments towards spatially explicit age-structured population dynamics ... -space model that represents a cohort-based population age structure in a spatially explicit manner ... . Models can be parameterised by both population processes (i.e., ageing, recruitment, and mortality ... on known attributes of spatial location. The operating models considered were single sex age-structured ...
Meeting Document : WG-FSA-12/44 : Author(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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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 ... in Divisions 58.4.1 and 58.4.2 during the 2012 to 2018 seasons. Fish by-catch comprised 14 species or groups ...
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