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An Assessment of Large Woody Debris, Fish Populations, and Organic Matter Retention in Upper Midwestern Forested Streams

thesis
posted on 2004-07-07, 00:00 authored by Jean Marie Miesbauer
The goal of this thesis is to advance our knowledge of stream ecosystems by evaluating how physical habitat, especially large woody debris (LWD), affects fish populations and particulate matter retention in streams of the Upper Peninsula of Michigan (UP). Even though streams in the UP had relatively low amounts of LWD compared to other regions in North America, LWD still influenced physical habitat variables. In UP coldwater streams, trout populations were positively related to LWD amounts whereas the total fish community related more to the overall stream habitat conditions (e.g., stream area and volume, substrate size, pool habitat, temperature). All streams were highly retentive of coarse particulate matter, which was strongly influenced by discharge, current velocity, and debris dams. On average, all particle types traveled less than 7 m. Overall, my research provides an ecological framework for the management of physical habitat in low-gradient streams of the upper Midwest.

History

Date Created

2004-07-07

Date Modified

2018-10-08

Research Director(s)

Dr. Gary Lamberti

Committee Members

Dr. Jen Tank Dr. David Lodge

Degree

  • Master of Science

Degree Level

  • Master's Thesis

Language

  • English

Alternate Identifier

etd-07072004-132201

Publisher

University of Notre Dame

Program Name

  • Biological Sciences

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