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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
~70–74 cm Ø~30 cm Ø~10–15 cm ~100–120 cm Hooks Snoods ~20 cm ~15 cm ~25 cm Weight 4–8 kg ... catch damage was two-fold less with the use of the new system (Figure 3). One important observation ... why the Chilean fishery authorities began to implement the NPOA- Seabirds. Two years after the ... (Dissostichus����i�oi��s ����i�oi��s����i�oi��s) с использованием трот-ярусов. Эта модифицированная кустарная ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Autor(es): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
greater than zero if the assumed value is greater than the “true” one. File: 04-Gasyukov-and ... and is close in its shape to normal distribution of the values close to the "ideal" one. Two ... , -0.030] : -0.062 -0.047 [-0.177 ; 0.009] 80 , 60 ~il=:1,0 40 20 i I - 0,4 -0,3 - 0,2 - 0,1 ... Frolkina and Dorovskikh, 1990). Age composition of the catches, Ca.)!, for a series of years and ... - number of age groups; Yk - number of fishing years; M - natural mortality rate; Wa,y or Wa - mean ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Autor(es): Gasyukov, P.S. and R.S. Dorovskikh
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
, 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... . Hence, only the densest krill swarms detected in any one year drove the mean krill density estimates for ... the WCB in that year. WCB krill density (µ, mean density for the area) showed several years (1997-8 ... -2010) of low density (µ < 30 g m-2). This pattern showed three different periods, with fluctuations ...
Meeting Document : WG-EMM-14/P04 : Autor(es): S. Fielding, J. Watkins, P. Trathan et al.
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e-sc-xxviii-a6.pdf
... recapture phases. Although two years is the minimum timeframe, experience has shown that a period of 3–5 ... the median rate for all trips undertaken in that year; (iii) all trips that met both criteria (i ... in year 1 and may be extended more widely in future years, subject to review. 2.53 Other data ... assessment, the years over which these year-class strengths (YCS) are assumed to have average recruitment
application/pdf attached to:WG-SAM-09
Meeting Report : WG-SAM-09
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ABUNDANCE AND BIOLOGICAL INFORMATION ON TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2007/08 SEASON
, Shinsei Maru No. 3, from July 23 to September 27, 2008. The survey was undertaken in two Phases (Phase 1 ... % in numerical number and 90-96 % in weight to the total samples in SSRUs. Mean CPUE of toothfish in ... . Using a grid-based (10-minute latitude x 20-minute longitude) standard stratification method, mean CPUE ... this survey suggest the recovery of the stock since 2000/01. Author(s): K. Taki, T. Ichii, M. Kiyota ...
Meeting Document : WG-SAM-09/10 : Autor(es): K. Taki, T. Ichii, M. Kiyota and S. Kawahara (Japan)
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Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
. CPI, CPII and CPIII data in Subarea 48.1 corresponded to years 1982/83, 1989/90 and 1993/94+1999/00 ... , respectively while that in Subarea 48.2 those corresponded to years 1981/82, 1986/87 and 1997/98, respectively ... are consistent with abundance estimates trend in humpback and Antarctic minke whales. Two issues are ... whales in the krill fishing/top predators feeding areas, and the impact on land-based predators. Author(s ...
Meeting Document : WG-EMM-16/26 : Autor(es): L.A. Pastene and T. Hakamada
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Criteria for aging the otoliths of Dissostichus eleginoides from South Georgia (Subarea 48.3) and an analysis of aging precision
readings by one observer and readings by two observers showed considerable inconsistency in aging both ... criteria to test. Two sets of criteria ate presented for aging the otoliths of Dissostichus eleginoides ... , one (C1) developed from previous work on the same species; the other (C2) adapted from generalized ... fish, but C2 indicated that captured fish may be mostly young, between 3-9 years old. The low precision ...
Meeting Document : WG-FSA-98/52 : Autor(es): J. Ashford (United Kingdom) and S. Wischniowski (Canada)
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Report on Bottom Fisheries and Vulnerable Marine Ecosystems
....................................................................................... 20 (ii) ATTACHMENT A: Glossary of terms, definitions and concepts ......................... 46 ... in the Convention Area, including two annexes CM 22-07 (2009) – Interim measure for bottom fishing ... present on the register and their status 10. Thirty-two encounters with VMEs have been notified in ... arising from different fishing methods. 20. The impact assessment involves the following steps. The ...
Document : Site Section: Publications
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Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013
liberty of nearly eight years for one B. irrasa. Range of movement in depth was between-266 m and 280 m ... biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures, a ... recapture rate of less than one percent. The average distance between release and recapture for each of the ... in all directions. Most recaptures occurred within the first three years, with the maximum time at ...
Meeting Document : WG-FSA-13/22 : Autor(es): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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Fishery Report: Dissostichus eleginoides Kerguelen Islands (Division 58.5.1)
report is the CCAMLR season (1 December to 30 November of the following year). 60°E 65°E 70°E 75°E 80 ... °E 60°S 55°S 50°S 45°S French EEZ Australian EEZ TOP 58.5.1 2 Table 1 ... /88 0 892 892 0 892 1988/89 0 1 311 1 311 0 1 311 1999/90 0 1 243 1 243 0 1 243 1990/91 26 2 982 ... in some years IUU catches have exceeded legal catches, resulting in a high level of total removals ...
Document : Site Section: Publications