Bulletin of the Sea Fisheries Institute 2 (156) 2002 - CEEMaR

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Sexual maturation of mackerel icefish ..... 19 Table 1. Sexual maturity of C. gunnari from different fishing grounds in the Antarctic (%) Fishing ground Shag Rocks South Georgia Season Month Gonad maturity stage I II III IV V % males : females 1976/77 02 31.0 26.0 39.0 4.0 47.0 : 53.0 100 03 40.0 26.0 33.0 1.0 45.0 : 55.0 100 1978/79 01 4.0 70.0 26.0 43.0 : 57.0 100 03 19.0 26.0 53.0 2.0 27.0 : 73.0 100 1980/81 04 89.0 11.0 49.0 : 51.0 100 1986/87 11 22.8 62.0 14.1 1.1 37.0 : 63.0 92 1990/91 01 6.0 76.0 18.0 44.0 : 6.0 50 1976/77 01 0.5 46.8 52.7 54.2 : 45.8 203 02 12.0 88.0 61.0 : 39.0 100 03 2.0 3.9 82.8 11.3 56.4 : 43.6 204 05 19.6 42.3 12.4 17.5 8.2 50.5 : 49.5 97 1977/78 09 99.0 1.0 73.0 : 27.0 100 10 99.0 1.0 47.0 :53.0 100 01 5.0 76.7 18.3 44.2 : 55.8 301 02 1.0 49.0 50.0 48.0 : 52.0 100 03 8.5 6.0 85.5 42.0 : 58.0 200 04 5.3 9.7 81.3 3.7 21.7 : 78.3 300 1978/79 11 1.0 99.0 47.0 : 53.0 100 12 16.5 77.0 6.5 52.5 : 47.5 200 01 1.0 85.0 13.0 1.0 49.0 : 51.0 100 03 0.4 47.9 50.1 1.5 52.3 : 47.7 459 1980/81 10 2.0 77.0 21.0 57.0 : 43.0 100 11 2.3 81.7 16.0 49.0 : 51.0 300 12 1.7 88.0 9.7 0.7 43.3 : 56.7 300 01 83.0 17.0 56.3 : 43.7 300 02 63.0 36.5 0.5 58.5 : 41.5 200 04 70.0 30.0 32.0 : 68.0 50 1981/82 11 7.0 84.0 8.0 1.0 47.0 : 53.0 100 12 29.8 68.9 1.3 46.5 : 53.5 299 01 6.0 80.0 14.0 44.0 : 56.0 100 02 3.0 53.0 43.0 1.0 38.0 : 62.0 100 1983/84 11 51.0 49.0 51.7 : 48.3 300 12 10.1 89.2 0.8 53.7 : 46.3 397 01 9.0 91.0 58.0 : 42.0 100 1984/85 11 1.6 92.7 5.2 0.5 35.4 : 64.6 192 1985/86 11 15.9 81.1 2.5 0.5 48.8 : 51.2 201 12 20.9 72.8 6.0 0.3 49.5 : 50.5 301 01 32.7 58.9 8.4 48.8 : 51.2 297 1986/87 12 45.0 40.9 13.5 0.7 53.9 : 46.1 438 1987/88 12 16.3 67.8 15.4 0.4 43.2 : 56.8 227 01 49.5 45.9 4.5 47.7 : 52.3 111 1988/89 0'2 32.3 54.9 10.8 1.2 0.8 47.9 : 52.1 657 1990/91 12 37.5 62.5 33.3 : 66.7 48 01 7.7 90.4 1.3 0.6 37.2 : 62.8 156 1992/93 04 85.9 4.7 3.1 6.3 43.8 : 56.3 128 N
20 JÓZEF SOSIÑSKI and KORDIAN TRELLA Table 1. continued Fishing ground South Orkney Elephant South Shetland Kerguelen Islands Season Month Gonad maturity stage I II III IV V % males : females 1976/77 03 38.5 46.2 15.4 46.2 : 53.8 13 1977/78 02 24.5 71.0 4.4 46.4 : 53.6 563 22.2 68.1 9.7 52.6 : 47.4 702 1978/79 12 1.3 98.7 57.9 : 42.1 299 02 99.5 0.5 59.2 : 40.8 201 03 43.0 57.0 52.0 : 48.0 100 1979/80 02 59.5 40.5 46.0 : 54.0 200 1983/84 12 97.2 2.8 52.3 : 47.7 109 1978/79 11 98.7 0.7 0.3 0.3 48.5 : 51.5 301 12 98.0 0.5 1.5 56.5 : 43.5 200 01 99.8 0.3 67.5 : 32.5 400 02 16.5 82.5 0.5 0.5 54.5 : 45.5 200 03 3.0 89.0 8.0 57.5 : 42.5 200 1983/84 12 99.0 1.0 58.3 : 41.7 96 1986/87 10 58.3 36.7 2.8 2.2 48.3 : 51.7 180 11 37.5 51.8 5.4 5.4 50.0 : 50.0 56 02 78.8 7.1 14.1 55.6 : 44.4 99 1987/88 02 34.9 63.7 1.4 52.1 : 47.9 146 1988/89 01 70.0 26.0 3.0 1.0 52.0 : 48.0 200 1978/79 01 16.5 83.5 53.4 : 46.6 103 02 1.0 73.2 25.4 0.3 51.5 : 48.5 299 03 55.0 45.0 58.0 : 42.0 100 1979/80 02 34.4 65.6 63.9 : 36.1 61 1986/87 02 4.8 71.4 23.8 38.1 : 61.9 21 1974/75 04 16.5 39.7 43.8 55.3 : 44.7 655 1977/78 12 5.0 95.0 23.3 : 76.7 60 01 5.5 92.7 1.8 29.1 : 70.9 55 02 100.0 50.8 : 49.2 240 1979/80 12 35.2 64.8 45.2 : 54.8 301 N Table 2. Parameters of logistic curves for male and female C. gunnari in Antarctic fishing grounds Fishing ground Shag Rocks South Georgia South Orkney Elephant South Shetland Kerguelen Sex Parameter L 50 /L max L 5 L 50 L 95 n r L max á â (%) males -5.15 0.20 11.3 26.3 41.4 267 0.69 40 65.8 females -14.56 0.66 17.7 22.2 26.7 375 0.90 40 55.5 males -17.24 0.73 19.5 23.5 27.6 3848 0.99 60 39.2 females -17.68 0.86 17.2 20.6 24.0 4120 0.99 59 34.9 males -11.54 0.39 21.8 29.3 36.8 1129 0.98 49 59.8 females -30.32 1.22 22.4 24.8 27.2 1058 0.95 46 53.9 males -8.40 0.29 18.6 28.7 38.7 1159 0.95 52 55.2 females -11.39 0.42 19.9 26.9 33.9 919 0.98 50 53.8 males -33.42 1.27 24.1 26.4 28.8 314 0.99 56 47.2 females -44.25 1.54 26.8 28.7 30.6 270 0.99 53 54.2 males -49.55 2.17 21.4 22.8 24.1 650 0.85 40 57.0 females -64.27 2.61 23.5 24.6 25.8 661 0.87 39 63.2
Page 1 and 2: ISSN 1429-2335 Bulletin of the Sea
Page 3 and 4: 4 WIES£AW BLADY, JAN NETZEL and JA
Page 9 and 10: 20 23 26 29 32 35 38 41 44 47 50 53
Page 11 and 12: 12 WIES£AW BLADY, JAN NETZEL and J
Page 13 and 14: 14 WIES£AW BLADY, JAN NETZEL and J
Page 15 and 16: 16 JÓZEF SOSIÑSKI and KORDIAN TRE
Page 17: 18 JÓZEF SOSIÑSKI and KORDIAN TRE
Page 33 and 34: 34 VIDA ŽILIUKIENE The fish fauna
Page 35 and 36: 36 VIDA ŽILIUKIENE Table 1. The ex
Page 37 and 38: 38 VIDA ŽILIUKIENE 1997.06.03 1999
Page 39 and 40: 40 VIDA ŽILIUKIENE Frequency [%] F
Page 41 and 42: 42 VIDA ŽILIUKIENE REFERENCES Anne
Page 43 and 44: BULLETIN OF THE SEA FISHERIES INSTI
Page 45 and 46: Morphomechanic changes during embry
Page 55 and 56: BULLETIN OF THE SEA FISHERIES INSTI
Page 57 and 58: Variability of sprat peak spawning
Page 67 and 68: 70 JÓZEF SOSIÑSKI AND ANDRZEJ KOM
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72 JÓZEF SOSIÑSKI AND ANDRZEJ KOM
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WSKAZÓWKI DLA AUTORÓW INFORMACJE
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