(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: | https://publications.iowa.gov/id/eprint/8560 |