Iowa Fisheries Research Technical Series No. 75-1 Variations in the abundance of channel catfish year classes in the upper Mississippi River and causative factors Don R. Helms, Fishery Research Biologist Fisheries Section Jerry M. Conley, Superintendent of Fisheries December, 1975

(1975) Iowa Fisheries Research Technical Series No. 75-1 Variations in the abundance of channel catfish year classes in the upper Mississippi River and causative factors Don R. Helms, Fishery Research Biologist Fisheries Section Jerry M. Conley, Superintendent of Fisheries December, 1975. Natural Resources, Department of

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Abstract

study of channel catfish in the Mississippi River to determine differences in year class abundance and causative factors

Item Type: Departmental Report
Keywords: channel catfish, Mississippi River, abundance, year classses
Subjects: Agriculture and food production > Fisheries
Natural resources and environment > Water resources > Rivers and streams
Natural resources and environment
ID Code: 8560
Deposited By: Ms Rinda Kramme
Deposited On: 12 Oct 2009 13:21
Last Modified: 12 Oct 2009 13:21
URI: http://publications.iowa.gov/id/eprint/8560

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