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Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf
. 2 . MATERIALS AND METHODS The results of age determination and the data on the length-weight ... of 2 to 5 years are most abundant. Sexual maturity is attained by fish at 11 to 13 cm length, 20 to ... 30 g weight and age of 2 to 3 years. The sex ratio of fish is actually the same in all size classes ... ) Baranov method. The data on age and age/length key (Figure 2) for the second half of 1978 (Le. prior to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Author(s): Shlibanov, V.I.
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Modelling variability and estimating power to detect change in Adélie penguin fledgling weights
eight years and to the five-day periods 2–5 starting on 15 February and ending on 6 March ... periods 2–4 but most fre- quently in period 3 (Table 1). Monitoring scenario Development of the models ... period TotalYear 1: 10–14 Feb 2: 15–19 Feb 3: 20–24 Feb 4: 25 Feb–1 Mar 5: 2–6 Mar 1: 1990 ... –1991 50 50 2: 1991–1992* 50 50 50 150 3: 1992–1993* 50 44 94 4: 1993–1994* 50 50 21 121 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Author(s): Emmerson, L.M., C. Southwell and J. Clarke
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Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
______________________________________________________________________ 2 A longline segment means a 1 000-hook section of line or a 1 200 m section of line, whichever ... (1 272 present and 60 absent), with 436 segments showing VME by-catch (Table 2). The locations of ... one VME taxon), many individual taxa were rarely observed (Table 2). Correlations of presence are ... 70° S 65° S 60° S 1 2 3 4 Figure 1: Ross Sea region indicating areas where segment-level ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Author(s): Parker, S.J. and M.H. Smith
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Phytoplankton distribution in the mixed layer: implication to krill abundance
summarizes our preliminary results. 333 2. THE MIXED LAYER IN THE ANTARCTIC 2.1 STD Data STD data ... ( 1 ) as the upper limit to the depth of mixing, where u. = (to/p)1/2, to is the surface wind stress ... follow ( 2 ) (Gregg, 1987). Figure 2 shows the dissipation profile for UlO = 1, 5, 10 and 20 m sec-1 ... integration of E(k) gives the turbulence kinetic energy q2=3u2/2, 334 (00 I E(k) dk ) 0 where u is ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Author(s): Yamazaki, H. and T.R. Osborn
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Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle
intervals to a depth of 500 m (see Figure 2). The relative frequency of occurrence of fi sh at each depth ... predominant in catches taken to the east of South Georgia (15–76% of the total catch) (Table 2). In the ... from 2 to 49% in the north shelf area and from 4 to 50% in the south area. In the western shelf area ... % 70 m m 80 m m 66 % 18 % N um be r of in d iv id ua ls 2 26 7 1 40 0 2 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Author(s): Frolkina, Zh.A
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
Kawaguchi et al. 2 Introduction There have always been questions as to whether fi shery-generated data ... ) (Table 2) to simplify spatial comparisons and ensure that there were suffi cient data in each spatial ... continuous operational unit (see Table 1). Figure 2 shows geographical distributions of SSMUs, recent ... acoustic survey boxes in the South Georgia area. Figure 2 reveals the geo graphical mismatch between ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Author(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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Champsocephalus gunnari stock status in the South Georgia area
utilisant des methodes de regression de F. Le recrutement a ete pris au niveau le 1 2 plus bas ... 6eJIOKpOBKY OTHOC5IT K pbI6aM C THrrOM apeaJIa - 3arra~Ha5I AHTapKTHKa - KepreJIeH. 2. OBOCHOBAHHE ... BeJIHl.IHHe rrpOMbICJIOBoti CMepTHOCTH F ,l\JI5I OCHOBHbIX rrpOMbICJIOBbIX B03paCTHbIX rpynn (2-4 rO,l\a ... cTpyKTyp pbI6 H MJIeKOrrHTaIO~Hx. 300JIOrHl.IeCKHti )l{ypHaJI 59(2): 289-293 KOlIKHH, II.R. 19806. MeTo,l ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Author(s): Borodin, R. and P. Kochkin
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
stock within a 2–3 decade time frame and thus result in a failure to achieve the objectives of Article ... Natural mortality Mean annual M 0.13 von Bertalanffy growth t0 –4.2897 L∞ 2 870.8 mm k 0.02056 ... –30 Dec 0–945 tonnes yr–1 (see Table 2) 0–90 tonnes yr–1 (see Table 2) Simulation specifications ... are shown in Table 2. Fishing selectivity for sce- narios 1 to 6 was modelled as a linear increase ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
analytically by the constant 2, so CV = 1.4142 IAPE. Von Bertalanffy growth curves were fi tted to the data ... determine Pelvic length (cm) 0 20 40 60 80 100 T ho rn le ng th ( m m ) 0 2 4 6 8 10 12 14 ... 4; few thorns (11%) were scored as having a readability of 1 or 2. The fi nal sample size of aged ... about Figure 2: Four images of a caudal thorn from SRR 197, a 73 cm female Amblyraja georgiana. Star ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Author(s): Francis, M.P. and C. Ó Maolagáin
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Observation of seabirds in the Southern Ocean in 1988/89
the RV Akademik Fedorov. 2. METHOD OF OBSERVATION Observations were made while the vessel was in ... January to 2 February 1989); • Russkaya and Leningradskaya (26 February to 12 March 1989); • Bunger ... Islands area (Figure 2), where their numbers reached more than 100 during a single observation shift ... °18'S, 74°W. Surface water temperature in this area was minus 2°C. Birds congregated together so ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Author(s): Vagin, A.V. and V.V. Popov