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Observed and Calculated Lengths of Lake Trout (Salvelinus namaycush) in Cayuga Lake, New York
Author(s) -
Webster Dwight A.,
Lund William A.,
Wahl Richard W.,
Youngs William D.
Publication year - 1960
Publication title -
transactions of the american fisheries society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.696
H-Index - 86
eISSN - 1548-8659
pISSN - 0002-8487
DOI - 10.1577/1548-8659(1960)89[274:oaclol]2.0.co;2
Subject(s) - salvelinus , trout , fish <actinopterygii> , fishery , range (aeronautics) , zoology , environmental science , biology , materials science , composite material
Back‐calculated lengths of lake trout (Salvelinus namaycush) in Cayuga Lake, New York, were compared with empirical values. The body‐scale relationship was sigmoid over a range of fish lengths of 6 to 26 inches; the method of back‐calculation involved preparation of a body‐scale ruler adapted for use on a conventional direct proportion calculating device. When compared graphically, calculated and observed mean lengths (through age VII) were in excellent agreement. Calculated data showed a significantly lower variance than observed.