Bulletin of the Sea Fisheries Institute 1 (155) 2002 - CEEMaR

More documents

Recommendations

Info

$C:\Documents and Settings\admin - CEEMaR$




Fecundity of walleye pollock (Theragra chalcogramma Pallas) .. 31 [ % ] 12 10 males females 8 6 4 2 0 20 25 30 35 40 45 50 55 60 65 70 75 80 length [ cm ] [ % ] 50 40 males females 30 20 10 0 1 3 5 7 9 11 13 15 17 19 21 age Fig. 2. Length distribution and age structure of walleye pollock males and females from the waters to the southwest of Kamchatka in February and March 2000. [ % ] 80 60 40 20 0 [ % ] 80 60 40 20 0 males females February I II III IV V VI VII maturity stage males females March I II III IV V VI VII maturity stage Fig. 3. Gonad maturity of walleye pollock males and females in February and March 2000 according to the Maier scale.
32 KORDIAN TRELLA Table 1. Walleye pollock fecundity by length classes (in thousands of eggs) Length N Range class [cm] min–max Average 35 2 67.7–67.8 67.7 36 1 71.8 37 1 132.7 38 5 54.3–110.2 96.7 39 7 87.9–156.0 129.1 40 6 105.9–184.2 136.0 41 6 55.4–188.0 120.8 42 6 106.4–220.2 156.0 43 5 135.5–206.8 180.2 44 5 92.4–327.5 177.5 45 3 79.0–193.6 137.6 46 6 191.0–292.1 245.8 47 6 239.0–321.8 282.8 48 4 239.7–311.2 274.7 49 7 220.7–370.9 293.8 50 4 246.9–410.7 351.3 51 3 285.3–352.9 315.7 52 2 406.7–492.3 449.5 53 5 344.0–477.5 424.0 54 4 452.9–563.2 484.8 55 2 263.7–390.6 327.1 56 2 360.2–516.0 438.1 57 3 424.3–550.0 482.6 58 2 450.2–564.8 507.5 59 3 527.7–688.3 630.9 62 1 675.3 66 1 724.5 Total 102 Table 2. Walleye pollock fecundity by weight classes (in thousands of eggs) Specimen weight class [cm] N Range min–max Average 250–300 2 67.7–67.8 67.7 301–350 2 54.3–71.8 63.0 351–400 10 87.9–156.0 123.5 401–450 9 55.4–154.9 117.0 451–500 8 100.2–220.2 158.1 501–550 5 92.4–206.8 146.3 551–600 11 135.5–327.5 188.4 601–650 3 79.0–270.1 186.4 651–700 4 191.0–292.6 255.6 701–750 3 239.7–327.6 280.9 751–800 6 223.4–290.7 256.6 801–850 4 220.7–350.9 286.5 851–900 4 285.3–400.3 329.6 901–950 4 246.9–410.7 328.5 951–1000 2 370.9–399.1 385.0 1001–1050 5 344.0–492.3 391.2 1051–1100 3 263.7–477.5 402.9 1101–1150 4 424.3–516.0 462.1 1151–1200 1 471.9 1201–1250 3 427.8–563.2 488.1 1251–1300 1 390.6 1401–1450 1 550.0 1451–1500 2 450.2–676.7 563.5 1501–1550 1 564.8 > 1550 4 527.7–724.5 654.0 Total 102
Page 1 and 2: ISSN 1429-2335 Bulletin of the Sea
Page 3 and 4: BULLETIN OF THE SEA FISHERIES INSTI
Page 5 and 6: Spawning of the Baltic herring in t
Page 7 and 8: Table 1. Data characterizing the he
Page 13 and 14: Table 4. Timing (date) and duration
Page 27 and 28: 28 KORDIAN TRELLA Studies of the fe
Page 29: 30 KORDIAN TRELLA Okhotsk Magadan S
Page 33 and 34: 34 KORDIAN TRELLA DISCUSSION Walley
Page 35 and 36: 36 KORDIAN TRELLA REFERENCES Bailey
Page 39 and 40: Evaluation of the chemical composit
Page 47 and 48: Length correction of larval and ear
Page 49 and 50: Length correction of larval and ear
Page 51 and 52: 54 SVAJUNAS STANKUS There is little
Page 53 and 54: 56 SVAJUNAS STANKUS 60 50 Length [c
Page 55 and 56: 58 SVAJUNAS STANKUS Commercial sign
Page 57 and 58: 60 SVAJUNAS STANKUS Repechka, R., S
Page 59 and 60: 62 NORBERT WOLNOMIEJSKI and IRENA G
Page 67: WSKAZÓWKI DLA AUTORÓW INFORMACJE

Bulletin of the Sea Fisheries Institute 1 (155) 2002 - CEEMaR

Create successful ePaper yourself

Delete template?

Save as template?