Translation Series No.1211

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- 227- — 1961: Einige Gesetzmaffigkeiten der Popula.tionsdynamik des Ostseelachses (russisch). Issl. Inst. Rybn. Akad. N AUK, Leu. SSR, Riga. [Some regularities of the population dynamics of the salmon of the Baltic Sea] (in Russian) MAHLEE, J., und Ilmeru Nu, G., 19.63: Gestehungskosten und Betriebserfolg der Ostsee-FIodisee- Kutterfischerei. Fischerbl. 1963.7. [Working costs and operational success of the Baltic Sea / high sea fishery with cutters] MAEDA, H., 1953: Ecological analyses of pelagic shoals I. Bull. Jap. Soc. Scient. Fish. Vol. 19.4. N1ENZILS, W. J. M., 1925: The Salmon. W. Blackwood, Edinburgh/London, 1925. , MEYER-WAARDEN, P. F., 1938: Attssetzungen von Regenbogenforellen in die Ostsee. Ber Deutsch. Wiss. Korn. f. Meeresforschg, (DWK), N. F. 9/2 [Relertses'of rainbow trout in the Baltic Sea] 1939: Versudre mit Aussetzungen von Bach- und Regenbogenforellen in die westl. Ostsec Rap. Pro.:. Verb., 109.13. [Trials with releases of brook trout and rainbow trout in the western Baltic Sea] • — 1942: Dic 7eesenfischerei auf Hering und Sprott, ihre 4'ntwicklun g und Bedcutiang fi:r the Ostseefischerei und ihre Auswirkungen auf den Blankfischbestand der Ostsee. I sch., 40/4-5. [P. lThe fishery for herring and sprat, its development and importance for the fishery in the Baltic Sea and its effect on the open stock of fish in the Baltic Sea] MITANS, A., 1963: Studies on the feeding habit of Salmon parrs in the Latvian rivers, NISlir. MORGAN, N. C., and WADDELL, A. B., 1961: Insect emergence from a small TYOUt 10(11 and its bearing on the food supply of fish. Freshw. Salm. Fish. Res., 25. MUIR, S., and.WHITE, H., 1963: Application of the Paloheimo linear equation for estimating mortalities to a seasonal fishery. J. Fish. Res. Bd. Can., 20/3. NERESHEIMER, E., 1941: Die Lachsartigen. Handb. Binnenf., IIIA, 1941. [The salmonicIF1 NIELSEN, J., 1961:Contributions to the Biology of the Salmonidae in Greenland. MedeGronland Fisk. Unders., 159/8. Nutor.sxr, G. W., 1957: Spezielle Fischkunde, Berlin. [Special fish science] NoaDQutsr, 0., 1908: Die Lângenrnafle von in der siidlichen Ostsee g,etangenen Ladisen und Meerforellen ais Vorbereitung einer eventuellen Einführung von vereinbarten. MindestmaSen dieser Fische. Rap. Proc. Verb., Vol. 9. [The length measurements of salmon and seà trout caught in the southern Baltic Sea, as preparation for the eventual introduction of conventional minimum measurements for these fish] — 1924: Times .of entering of the Atlantic Salmon in ;he rivers. Rap. Proc. Verb., Vol'. 33. OTTERSTRÔM, C. V., 1933: Reife Lachse in Teichen. J. d. Cons., Vol. 8. [Mature salmon in ponds] OSTERDAHL, L., 1963: Tre . ars smoltutvandring i Ridclen. Laxforskn. Inst. Med., 10. ' [Three years of smolt migration in Ricklegn; PALOHEIMO, J. E., 1961: Studies on estimation of mortalitieS I, Ctirnparison of a method descri- bed by Beverton and Holt and •a new linear Formula. J. Fish. Res. Bd. Canada, 18 (5). PIGGINS, D. J., 1958: Investigatio n. on predators of salmon smolts and parr. Salmon Res. Tr: Ireland, 5, Dec. 1958: • ---: 1962: Some preliminary results of feeding thyroid material to salmon pa'rr. ICES, CM 1962/2. •
- 228- PETERSEN, C. G. .11, and OrrEas -rxeim, A., 1904: Die Ostseefischerei in ihrer jetzigen Lage; I. Obersicht über die dânischen Gewasser innerhalb Skagens. Pub!. d. Circonst., 13 A. LThe fishery in the Baltic Sea in its present Ftate. I. Survey of the Danish waters inside Skagen] POPE, J. A., MILLs, O. H., and SHEARER, W. M., - 1961: The fecundity of Atlantic Salmon. Salmon Freshw. Fish. Res.,•29. PYEFINCH, K. A., 1955: A review of the literature on the Biology of . the Atlantic Salmon. Freshw. Salmon Fish. Res., 9. PIECHURA, J., 1961: Température et Salinité des eaux de la Baltique méridional août 1960 - Mai 1961. ICES, CM 1961/68. [Temperature and salinity of the waters of the southern Baltic Sea in Augupt 1960 to May 1961] SANDMANN, J. A., 1906: Obersicht über die Scefischerei Finnlands. Pub!. d. Circonst., 13 C. [Y.,urvey of the Finnish sea fishery] SCHEURING, L., 1929: Die Wanderungen der Fische. Ergebn. Biol., 5. [The migrations of fish] • . SCHRÂDER, T. H., 1928: Die erste fiatürliche Nahrung ausgesetzter Bachforellenbrut. Z. f: ' Fisch., 26. [The first natural food of liberated fry of brook trout] SHAw, J., 1836: An account of sonie experiments and observations on the parr and ova of the salmon, proving the parr to be the young of the Salmon. Edinburgh, New Phil. J., 21. - - 1838: Experiments on the development and groWth of the fry of the Salmon from the exélusion of the ovum to the age of 7 months. Ibid., 24. SJÔGREN, S. J., 1962 und 1963. Det svenska laxfisket i Ostersjbomradet. Laxforsk. Inst„ Medd., 1962/9, 1963/6. [The Swecish ralmon fishery in the region of bsterse] SUWOROW, J. K., 1959: Allgemeine Fischkunde. Berlin, 1959: [General f s'n science] SVÂRDSON, G., 1949: Natural selection and eg•g number in fish.. Inst. Freshw. Res. Drottningh. Rep., 29. — 1955: Salmon stock fluctuations in the Baltic sea. Inst. Freshw. Res. Drottningh. Rep., 36. — 1957: Laxen och klimatet. Ibidem, 38. [Salmon and climate] SZATYBELRO,. M., 1957: Studies of factors influencing catching potential of Salmon and Trout: fishing gear. Morsk. Inst. 1957/9. • THukolisr, F., 1959: Die Entwicklung der deutschen Lachstreibfietzfisdierei und die Erprobung neuèr Treibnetze. Fisdierbl., 1959/9. [The development of the German salmon fishery with driftnets and the testing of new driftnets] — 1960: Untersuchungen über Bestandsfluktuationen beim Ostseeladis. Ber. DWK, 16/1. [Investigations of fluctuations in the stocks Of the salmon of the Baltic Seal — 1962: Ober Qualitâtsschwankungen und die Bedeutung der Fettspeidierung beim Ostsee- • lachs. Arch. f. Fisch. Wiss., 13/1-2. . [On fluctuations in the quality of Baltic Sea salmon and the iMportance of the fat accumulation in the Baltic Sea salmon' — 1964: . Die Selektionswirkung von Angelhaken in •dei : Lachstreibleinenfischerei. Ibidem, 1964: • 1-1.2. . . . • [The selective effect of hooks in the driftline.fishery for salmon]
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FISHERIES RESEARCH BOARD OF CANADA
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sos-2cto—lo-31 DEPARTMENTOFTHESEC
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• 6.1. Previous investigations 17
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-5-. and Kerr very much later menti
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treated as a quality, a special pop
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• -9-- per cent). Furthermore, th
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• - 11 - fishery, mentions the gr
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• - 13 - in LiepUva. These voyage
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• 1948/49 545 1949/50 730 1950/51
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• 2.2.1. River fishing - 16- The
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- 18- are 50 norsels, 60 to 80 cm l
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• nets give better results is onl
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• • G Fig. 4. End buoy for salm
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• with • Total length (cm) Mout
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• • - 25- of Bothnia. In the fa
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• • - 27- increase the catch. S
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• of • fishing representsavalue
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• to lower figures than in the fa
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• • Umfang = Cire umference - 3
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• - 35 - and nape corresponds to
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• • / 100 50 Selektion Selectio
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- 39 - In Table 9 have been calcula
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. Table 10. Number of salmon per 10
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• Table 11. Number of salmon per.
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• - 45 - cza-ci, es When consider
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- 47 - If We examine once more the
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- 49 - German fishermen work during
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• - 51 - is true, have to be corr
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Table 16. Seasonal yields of the fi
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Table 17. Monthly average weights o
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- 57 - In February and March hardly
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• Table 20. Additional catch of c
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• 100 50 60 100 cm Totallarle . 2
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• subject to an error of ± o.op9
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cycle) during the second . period o
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• their third year. , Recruitment
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50 r-■ 2 / bet; 56cm = 1 fis 1 li
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• - 71 - ovary that has already b
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5 - 73 - April 1960 the diameter of
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- 75 - oocytes can be demonstrated
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. ineftlerer Mean OocytendurcArness
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- 79 - furnish the energy fer the s
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' 1741 salmon, which were.caught be
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• - 83- the series of measurement
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- 85 - the relative amount of eggs
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- 87 - The calculation of a formula
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- 89 - area of distribution is form
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- 91 - as percentages of thé recov
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Table 22. The recapture of tagged s
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• II> Three conclusions can be dr
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• 6 65- 64 - 62-. 61 - 6 . 5 . 59
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• - 99 - fish. The tagging does n
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- 101 - tagging experiments'that sa
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- 103- Renne Bank in about 60 m dep
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• 9:1 0 a) el-4 o (XI -P CNI 4- o
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14,3 14,3 30,7 31,3 27,7 6,0 15,0 1
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Table 26. Catches of salmon in the
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- 111 - between Hela and Kahlberg r
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• - 113- 5 .. Age and growth of t
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cm 100 80 60 40 - 1 15- customarily
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found can be used for the recalcula
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v 0 00 0 I I - 119- of the scales.
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- 121 - The interpretation of the y
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• - 1 23 - the age groups 2.B to
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• L s - L c r s 0.85 Smolt Ls = l
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5.3. The'age composition of the Ger
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-129- with shares in the catch of o
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"ervoct. Yeer-Le- -e-t. '4.y-c.1*.e
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1955 1 2 3 4 23 3 61 506 7 3 135 21
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- 135 - yeAy-ctt4 thé explanation
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• • _ Table 33. The composition
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Table 34. Composition by age of cat
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- 141 - yeAy-cle..es Table 35. The
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- 143 - • U7,) tdL comparablenece
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• whereas the present data .(1957
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Sin% 0,1 2,8 37,0 96,8 100,0 - 147-
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• - 149 - these results 38 per ce
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• • Number of salmon J. en1967
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4. number 50 e" • ); e e , lot nb
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they take account of the annual cha
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• -157- and in the stock are bein
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Table 43. Mean lengths of age group
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• - 161 - of these catches has be
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- 163 - of enolt in Fig. 36. From a
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--165 - increase'in weight is more
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• rl -P b..0 -e nzi -ri r-1 gl a)
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- 169 - CLA‘s set of smolt of 193
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Year's sets of smolt CILS present 7
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- 173 - necessary to follow the gro
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- 175 - • been ascertained from t
Page 181 and 182: (after K. A. Pyefinch 1955). — 17
Page 183 and 184: • gadids and sticklebacks (after
Page 185 and 186: - 181 - especially decisive in, the
Page 187 and 188: 6.3.1. Seasonal fluctuations 36,9 2
Page 189 and 190: • Number of Months Gear salmon in
Page 191 and 192: MagerdW hing 40 , 20 Filling of Sto
Page 193 and 194: Deep could be examined. - 188 - Chr
Page 195 and 196: - 190 - salmon . switch over to the
Page 197 and 198: • - 192 - recognizable after seve
Page 199 and 200: - 194 - amount of food. Under-consi
Page 201 and 202: - 196- expenditure, composition in
Page 203 and 204: • - 1 98- the stock losses are co
Page 205 and 206: NUmber of salmon per Z Weigh- Seaso
Page 207 and 208: • 'Table 55. Values of the total
Page 209 and 210: - 204 experiment were about 40 per
Page 211 and 212: - 206- strength of the stock N pert
Page 213 and 214: • N„ Z o = cf„ (M1- T) -- In
Page 215 and 216: — 210— the coefficient for the
Page 217 and 218: - 212- In a further paper Piggins (
Page 219 and 220: - 214- shifted and the fOod supply
Page 221 and 222: - 216 - concerns the yield of captu
Page 223 and 224: nachafter 00 04 0,3 0,4 2 1 0,5 6 9
Page 225 and 226: • 1. (5 100 000) (4 250 000) 4 25
Page 227 and 228: • •em.ilts - 222 - in an error
Page 229 and 230: • - 224- BRANDT, A. y. , 1959: Fa
Page 231: - 226 - Paw, T. H., 1938: Fluctuati
Page 235 and 236: Table I. Captures per unit effort w
Page 237 and 238: Table II. Captures per unit effort
Page 239 and 240: • Yea.r Sweden Continuation Table
Page 241 and 242: Table VI. Ratio between fork le . B
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