Search results
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Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
, 1986, 1989a; Nast et al., 1988; Tiedtke and Kock, 1989; Grohsler, 1992) (Table 2). The first survey ... to be carried out after the closure of the fishery was conducted in November/December 1996 (Table 2 ... shelf around Elephant Island at depths of 50 to 550 m from 1981 to 1996 (Table 2). The surveys were ... variation in the time needed to deploy the trawl, repeated sites were often only within 1 or 2 n miles of ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Author(s): Kock, K.-H
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
resultant 77 boxes are shown in Figure 2. The model system was created as a continuous chain around the 1 ... en t A re a C ( S ou th G eo rg ia ) 56 S 2 0 0 0 m 1 0 0 0 msh ag W s ha ... 2 0 0 0 m 1 0 0 0 msh ag W s ha g N W ge or gi a S ge or gi a E ge or gi a Fishing ... 3 0' W M an ag em en t A re a C ( S ou th G eo rg ia ) 56 S 2 0 0 0 m 1 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Author(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark
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Results of fish stock assessment survey, South Georgia region, November - December 1986
strata (stratum 1: 50-150 m, stratum 2: 151-250 m, stratum 3: 251-500 m) roughly in proportion to the ... of the island (Figure 2). Eleven tows consisted of only one specimen, and 22 of the 28 hauls ... fjords (stratum 2) accounted for over 65% of the total biomass caught. Catch per tow (kg) and total ... based on the delta distribution (Pennington, 1983) and normal distribution (Table 2), to develop more ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Author(s): Gabriel, W.L.
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Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
, USA 2. Tjarno Marine Biological Institute, PI. 2781, S-45200 Stromstad, Sweden 3. 8224 Windsor View ... objectives : 1) to document the recolonization and current distribution of Antarctic fur seal rookeries, 2 ... research cruises aboard the USCGC Glacier and the R/V Prof. Siedlecki. From 23 December 1986 to 2 January ... identified, some of which were not known prior to this survey (Tables 1 and 2). Numbers of Antarctic fur ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Author(s): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart
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Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery
et6 atteintes avec des poids de 6,5 kg places 2 70 m d'intervalle. L'imrnersion la plus rapide & 4 m ... . Toothfish is caught on the seabed (c. 800- 2 500 m depth) near sub-Antarctic islands and near the southern ... which rose from the fishing depth (2 000 m) to the surface where they were attached to eight 1 m ... in Figure 2. The longline on the In Sung 66 was marked on each end by four to six 1 m diameter ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Author(s): Robertson, G.G
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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
CCAMLR to standardize criteria for studying the age and growth of Antarctic fish. 2. METHODS Samples ... area was chosen as the best zone for counting the annuli (Figure 2). For further information about ... reading of scales indicated one extra year. This finding is discussed below. Table 2 shows the observed ... (1980) found inconsistencies between age determined by otoliths and scales (scales indicated 1-2 years ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Author(s): Barrera-Oro, E.
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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
‘level 2’ sampling) is to replace the total sample size of fish measured in the year by the effective ... true variance is given by , / 1ya ya ya y y y ya yaVar O o p n n p p (2) where φy is an over ... given by ˆ ˆ ˆ/y y y y yn h m (8). Method 2 (MI) is that described in Appendix 2 of McAllister and ... . Therefore the equivalent method to McAllister and Ianelli (1997, Appendix 2, equation 2.5) used here is to ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G
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Guidelines for the preparation of hydroacoustic survey reports on krill
crre~H~HKY B@rronHeHHHX HCCne,lJ;O- BaHHH [2]. HaCTO~He MeTO,lJ;H~eCKHe YKa3aHHfl COCTaEneH@ C y~eToM ... - BaBWHX CTpaH, Ka~aR HS KOTOPbIX BblnOJIHRJIa CbeMKY B npe,D;eJIax CBOeI'O nOJIHI'OHa (pHC. 2). UeJIb ... ;POaKycTHqeCKHlt nOHcK, Ra6JIID,D;eHHR HS nO,D;BO,D;HOI'O annapaTa "CeBep-2" Ha BOS- 4-7/X11 12/X11 25-29 ... Hcnonb30BaHHeM r~poaKYC TH'IeCKHX nOH6opOB H nO~BO~Horo annapaTa ICeBep-2". BH60p onTHManbHoro pelKHMa pa ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Author(s): Kalikhman, I.L.
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On the power to detect changes using the standard methods for monitoring parameters of predatory species
). 2. COMMENTS ON CCAMLR (1989) First, we note that there was a typographical error in equation (1 ... with v degrees of freedom and corresponding to probability 2(1-P). We also suggest that an ... context, type 2 errors (P errors) may be at least as important as type 1 errors (ex errors). For example ... , failure to detect a decrease in penguin reproductive success that actually occurred (type 2 error) may be ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Author(s): Boveng, P. and J.L. Bengtson
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Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)
have potential for use in this fishery. 2. MULTIPLICATIVE MODEL OF STANDARDIZING FISHING EFFORT ... i category types. (2) (3) The sequence of calculations when defining model parameters is made ... matrix (2). Corresponding modifications of the algorithm for the standardization of model parameters are ... to in this paper, but such information is contained in Table 2. It is adopted as a standard value ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Author(s): Gasiukov, P.S.