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Publications

Browse more than 150,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

Upper Midwest Environmental Sciences Center Publications

Filter Total Items: 3312

Effects of toxicants on community metabolism in pools Effects of toxicants on community metabolism in pools

Estimates of community metabolism of simulated natural environments were dcrivcd by diel oxygen techniques over a period of nine months. During this time, toxicants were added to some of the pools. "Natural" environmental factors and toxicants that did not affect the communities (0.02 mg/liter p,p' DDT; 0.1 mg/liter antimycin A; and 9.2 mg/liter KMnO,I) usually resulted in simultaneous...
Authors
Walter R. Whitworth, Thomas H. Lane

Chemical composition of rainbow trout urine following acute hypoxic stress Chemical composition of rainbow trout urine following acute hypoxic stress

Rainbow trout (Salmo gairdnerii) were anesthetized with MS-222, catheterized, and introduced into urine collecting chambers. Twenty-four hours after introduction, a 4-hour accumulation of urine was collected to serve as the control. Water flow to the chambers was then discontinued for 30 minutes during which the oxygen content of the water exiting in the chamber dropped from 4.9 to 2.8...
Authors
Joseph B. Hunn

Water resources of the Pine River Basin, southeastern Michigan Water resources of the Pine River Basin, southeastern Michigan

The land surface of the Pine River basin, an area of 194 square miles, is a relatively flat or gently undulating northwest to southeast trending glacial lake plain. The plain is interrupted by small streams and by a series of former glacial lake beaches. Other irregularities are the morainal hills in the headwaters and the morainal areas that form a large part of the basin divide...
Authors
R. L. Knutilla
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