Abstract
Representatives from the States of Illinois, Iowa, Minnesota, Missouri, and Wisconsin and from the United States Fish and Wildlife Service, meeting in December 1943, formed the Upper Mississippi River Conservation Committee for the purpose of carrying on scientific investigations of the fishery and wildlife resources of the Mississippi River from Caruthersville, Missouri, to Hastings, Minnesota. Although originally planned as a post-war project, field operations were started in the spring of 1944. Field work wag divided between two units, one operating from Dubuque, Iowa, northward and one operating from Dubuque southward. Status of the fish population was determined by test-netting, and condition of the commercial and sport fisheries was checked by commercial fishing reports, contacts with commercial fishermen, and creel census. Results of preliminary studies indicate that several types of regulations will be needed in different areas because of different ecological and economic conditions.
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