Skip to main content
U.S. flag

An official website of the United States government

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: 3226

Where to send samples for analysis

Abstract not submitted to date
Authors
R.A. Schnick

Interpreting the scene

Abstract not submitted to date
Authors
F. P. Meyer, R. L. Herman

Test your skill

Abstract not submitted to date
Authors
F. P. Meyer

Writing the report

Abstract not submitted to date
Authors
F. P. Meyer, B.L. Berger

Introduction

Abstract not submitted to date
Authors
F. P. Meyer

Toxic substances

Abstract not submitted to date
Authors
J. B. Hunn, R.A. Schnick

Fish kills due to natural causes

Abstract not submitted to date
Authors
R. L. Herman, F. P. Meyer

Mass-marking of otoliths of lake trout sac fry by temperature manipulation

The otoliths of 676,000 sac fry of lake trout Salvelinus namaycush in 1986, and of 1,100,000 in 1987, were marked by daily manipulation of water temperature. The fish were stocked into Lake Huron in the spring. Otolith marks consisted of groups of daily growth rings accentuated into recognizable patterns by steadily raising and lowering the temperature about IOA?C (from a base of 1-4A?C) over
Authors
R.A. Bergstedt, R.L. Eshenroder, C. II Bowen, J.G. Seelye, J.C. Locke