2 edition of Variations in the abundance of channel catfish year classes in the upper Mississippi River and causative factors found in the catalog.
Variations in the abundance of channel catfish year classes in the upper Mississippi River and causative factors
Don R. Helms
Includes bibliographical references (leaves 30-31).
|Statement||Don R. Helms.|
|Series||Iowa fisheries research technical series -- 75-1|
|Contributions||Iowa Conservation Commission. Fisheries Section|
|LC Classifications||QL638.S6, SH11 .I813 vol. 75-1|
|The Physical Object|
|Pagination||v, 31 leaves :|
|Number of Pages||31|
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