Title

Predation on Native Sculpin by Exotic Brown Trout Exceeds that by Native Cutthroat Trout Within a Mountain Watershed (Logan, UT, USA)

Document Type

Article

Journal/Book Title/Conference

Ecology of Freshwater Fish

Volume

24

Issue

1

Publication Date

2015

First Page

133

Last Page

147

Abstract

We explored potential negative effects of exotic brown trout (Salmo trutta) on native sculpin (Cottus sp.) on the Logan River, Utah, USA by (i) examining factors most strongly correlated with sculpin abundance (e.g., abiotic conditions or piscivory?), (ii) contrasting the extent of brown trout predation on sculpin with that by native cutthroat trout (Oncorhynchus clarkii utah) and (iii) estimating the number of sculpin consumed by brown trout along an elevational gradient using bioenergetics...

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