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The Use of Vertical Gill Nets in Studying Fish Depth Distribution, Horsetooth Reservoir, Colorado
Author(s) -
Horak Donald L.,
Tanner Howard A.
Publication year - 1964
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(1964)93[137:tuovgn]2.0.co;2
Subject(s) - rainbow trout , sucker , perch , fishery , fish <actinopterygii> , environmental science , hydrology (agriculture) , biology , geology , zoology , geotechnical engineering
The depth distribution of four fishes was studied using specially constructed vertical gill nets on Horsetooth Reservoir, Colorado (1960‐61). Of several environmental factors measured, water temperature was the one factor that exerted a measurable effect. Depth of capture increased for the rainbow trout, kokanee salmon, and white sucker as each summer progressed and in general followed the isotherms. The distribution of yellow perch was unaffected by temperature changes. Kokanee salmon were most abundant in waters of 51‐55° F. while the rainbow trout and white suckers were most numerous in 66‐70° F. waters.