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J. Szypuła
9 articles by this author
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Research Article
The length-weight relationship and condition of pike and perch in Lake Miedwie
J. Szypuła
10.3750/AIP2002.32.1.08
 30-06-2002
 Unique: 246 | Total: 298  | Access Period:
 93-106
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Research Article
A comparison of accuracy and extrapolation range of the von Bertalanffy equation and the modified power function
J. Szypuła
10.3750/AIP1995.25.2.03
 31-12-1995
 Unique: 310 | Total: 364  | Access Period:
 29-44
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Research Article
Feeding of herring and sprat in the Southern Baltic over 1971-1989
J. Szypuła
10.3750/AIP1992.22.2.11
 31-12-1992
 Unique: 228 | Total: 277  | Access Period:
 181-196
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Research Article
Comparison of accuracy of binomial, von Bertalanffy equation, Gompertz equation and Ford-Walford model used for mathematic description of length growth in various fish species
J. Szypuła
10.3750/AIP1987.17.2.03
 31-12-1987
 Unique: 330 | Total: 413  | Access Period:
 33-47
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Research Article
An attempt to use various mathematical models to extrapolate fish growth rate beyond the range of empirical data
J. Szypuła
10.3750/AIP1987.17.2.02
 31-12-1987
 Unique: 318 | Total: 400  | Access Period:
 11-31
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Research Article
Comparative studies on herring and sprat feeding in the Southern Baltic within 1978-1982
J. Szypuła
10.3750/AIP1985.15.2.03
 31-12-1985
 Unique: 285 | Total: 360  | Access Period:
 75-93
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Research Article
Duration of food evacuation in herring, Clupea harengus L., and sprat, Sprattus sprattus (L.)
J. Szypuła, W. Załachowski
10.3750/AIP1984.14.1-2.06
 31-12-1984
 Unique: 302 | Total: 371  | Access Period:
 93-104
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Research Article
Assessment of the effect of environmental factors on fish growth using growth coefficients calculated from mathematical description of fish growth by means of polynomials
J. Szypuła
10.3750/AIP1980.10.1.01
 30-06-1980
 Unique: 291 | Total: 373  | Access Period:
 3-24
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Research Article
Biological characteristic of gilt sardine Sardinella aurita Cuv. et Val., 1847 from North West African coast
J. Szypuła
10.3750/AIP1973.03.1.03
 30-06-1973
 Unique: 357 | Total: 443  | Access Period:
 19-37
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