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Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean
Paper Title: Population genetic structure of Patagonian toothfish in the West Indian Ocean sector ... structure of Patagonian toothfish (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern ... increased in economic value since the start of commercial exploitation, approximately 17 years ago, within ... observer) and Guy Duhamel and Barry Watkins who organised their collection in the French and South ... (2004): 21–32 21 POPULATION GENETIC STRUCTURE OF PATAGONIAN TOOTHFISH IN THE WEST INDIAN OCEAN ... (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern Ocean. Four collections of D ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Autor(es): Appleyard, S.A., R. Williams and R.D. Ward
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13
in recent years, the remaining catches came mainly from SSRUs 88.1C, 88.1J, and 88.2H. Unstandardised ... Antarctic toothfish CPUE in the Ross Sea and Subarea 88.2 fisheries have fluctuated over the past 10 years ... Slope. Mean ages and ages of larger fish increased in the first few years of the fishery in each area ... vessels fishing shallower there in the last four years. There is some evidence for a similar reduction in ...
Meeting Document : WG-FSA-13/48 : Autor(es): S. Hanchet, S. Mormede and A. Dunn (New Zealand)
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A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) to 2016–17
. Because the areas open to fishing will change in 2018, with the implementation of the Ross Sea region ... Abstract: This report summarises fishing catch and effort in the Ross Sea region (Subarea 88.1 ... and SSRUs 882AB) together with biological characteristics of the catch of Antarctic toothfish through ... the 2017 season. In 2017, sea ice constraints were minimal and catch rates were the second highest on ...
Meeting Document : WG-FSA-17/07 : Autor(es): S. Parker and S. Mormede
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Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
one- and two-year-old krill (R 1 and R 2 respectively). Statistically significant fluctuations in ... Paper Title: Long-term monitoring of krill recruitment and abundance indices in the Elephant ... for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S ... and 53 o-57 o 30´W) for proportional recruit and density indices. Proportional recruitment indices ... database in the Elephant Island area (South Shetland Islands, Antarctic Peninsula) covering the years ... the study area after 13 days, but was then trapped in an eddy system for another 30 days before ... during summer when juvenile krill have already grown to their maximum size and in years when the first ... examination, and d, is all the other years. This results in 13 a posteviori tests. In multiple comparisons ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Autor(es): Siegel, V., W. de la Mare and V. Loeb
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Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides
Elephant seals in the Heard Island region. A question was raised at SC-CAMLR-XV concerning what affect the ... evaluation of escapement of young fish (ages 2-6 years old) under the current catch limit of 3800 tonnes in ... fishery for toothfish in Division 58.5.2 might have on the abundance of the age classes of toothfish ... of 3800 tonnes. Of 21 otoliths found in Elephant Seal stomachs at Heard Island that have previously ...
Meeting Document : WG-EMM-97/42 : Autor(es): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11
in Subarea 88.1 and for ten years in Subarea 88.2. This report summarises the timing, depth, and ... location of fishing together with the catch of Dissostichus spp. and bycatch species by year for the period ... 1997–98 to 2010–11. During the 2010–11 fishing year most of the catch in Subarea 88.1 came from the ... Abstract: The exploratory fishery for Dissostichus spp. has now been operating for fifteen years ...
Meeting Document : WG-FSA-11/45 : Autor(es): M.L. Stevenson, S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) program: developing ICED and CCAMLR joint activities
Workshop will be held in Hobart in April 2018 in association with the MEASO2018 conference. This paper ... Abstract: The Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme ... Ocean ecosystems. This will be achieved through the analysis and integration of available data together ... valuable information for ecosystem-based management in the region. Following discussions between ICED and ...
Meeting Document : WG-EMM-17/36 : Autor(es): E. Murphy on behalf of ICED SSC
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2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
become available for the years 2005 and 2006. The assessment allows for a second fleet to accommodate ... data from a pot fishery that operated in 2004 and 2005. Updated biological parameter values for Subarea ... % of its average pre-exploitation level in terms of spawning biomass. It is suggested that it would be ... raised at WG-FSA-SAM 2006 about this assessment are addressed. Author(s): A. Brandão and D.S ...
Meeting Document : WG-FSA-06/58 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
fishery would be restricted in some of its traditional fishing grounds during years of low krill ... management units in the Scotia Sea Abstract / Description: Following an assessment of Antarctic krill ... (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch limit of 4 million tonnes and ... catch limit for krill among the SSMUs so as to preclude the inadvertent concentration of catches in a ... consumption were taken from Reilly et al. (in press) who reported the results of a marine mammal survey ... –1 .0 00 0 30 40 –3 17 0 91 Allocating krill catch limit among SSMUs in the Scotia Sea In ... land-based predators are assumed to have left the area. However, in some years the number of fur ... SSMU may change from year to year and that an index may have some predictive value in estimating ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Autor(es): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins
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Statistical power to detect changes in growth rates of Antarctic fur seal pups
changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples on ... Paper Title: Statistical power to detect changes in growth rates of Antarctic fur seal pups ... only three dates in a season, and potential means of increasing the power of the CCAMLR Ecosystem ... Monitoring Program Standard Method C1 (B). Using estimates of variance in pup weights obtained at Seal Island ... :=,8=0.1 0:=,8=0.1 + + 15 20 25 CHANGE IN 30 35 40 GROWTH 45 50 RATE Figure 2: If the ... ) from both years were formed for use in a power analysis. Monte Carlo simulations were used to ... ------- ------- Females ------- mean mean Date n weight (kg) s.d. n weight (kg) s.d. 1988: 2 Jan 30 9.91 1.60 20 8.78 ... =O.1 • 5 10 15 20 25 PERCENT CHANGE IN 4 weighing dates 6. 28-day intervals 50 pups/day 3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Autor(es): Boveng, P., J.L. Bengtson and M.E. Goebel