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Substrate Preference in Orconectes Rusticus : Does Size Matter?

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Author(s)
Promer, Hunter; Wagner, Gina; Smith, Meghan; Hansen, Marissa
Advisor(s)
Wellnitz, Todd A.
Date
Apr 2014
Subject(s)
Orconectes rusticus; Rusty crayfish; Invasive species; Posters
Series
USGZE AS589
Abstract
In Wisconsin, the aggressive and prolific rusty crayfish, Orconectus rusticus, can deprive native crayfish of habitat (Capelli, 1982). In particular, the use of rocky substrate shelter is vital for providing crayfish protection from predators. Yet little is known about how substrate preferences affect habitat use by rusty and native crayfish. To better understand how O. rusticus select and utilize rocky substrates, we undertook a series of experiments to determine if substrate size and color affected habitat choice by rusty crayfish.
Description
Color poster with text, images, and graphs.
Sponsor(s)
University of Wisconsin--Eau Claire Office of Sponsored Research.
Permanent link
http://digital.library.wisc.edu/1793/71075 
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