Trends and Emerging Issues: A Longitudinal Study of Government Agencies' Perceptions of Great Lakes Water Resources and Related Issues

by J. W. Bulkley, Univ of Michigan, United States,
R. W. Marans, Univ of Michigan, United States,
S. H. MacKenzie, Univ of Michigan, United States,
R. Anambutr, Univ of Michigan, United States,
J. Fan, Univ of Michigan, United States,

Document Type: Proceeding Paper

Part of: Critical Water Issues and Computer Applications


The perceptions of government agencies with jurisdiction over Great Lakes' shoreline has changed over time with respect to important issues related to water quality and a host of water resource planning issues. The perceived quality of inshore waters has improved significantly in Lakes Erie, Michigan, and Huron between 1971 and 1986. Agricultural runoff is perceived to have increased in importance between 1971 and 1986 as a threat to inshore water quality. The high lake levels recorded in 1986 are ranked as a very important factor causing destruction of resources in all of the Great Lakes except Lake Ontario. This paper presents preliminary findings and highlights several issues related to water quality, lake levels, and future planning.

Subject Headings: Water quality | Water resources | Lakes | Water pollution | Water supply | Government | Agricultural wastes | Runoff | Great Lakes | Lake Erie | Michigan | United States | Lake Ontario

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