Nebraska Cooperative Fish & Wildlife Research Unit

 

ORCID IDs

Mark A. Pegg

Date of this Version

Spring 2013

Citation

Great Plains Research 23 (Spring 2013):39–49

Abstract

Non-native salmonids are often introduced into areas containing species of concern, yet a comprehensive overview of the short- and long-term consequences of these introductions is lacking in the Great Plains. Several authors have suggested that non-native salmonids negatively influence species of concern. The objective of this paper is to review known interactions between non-native salmonids and native fishes, with a focus on native species of concern. After an extensive search of the literature, it appears that in many cases non-native salmonids do negatively influence species of concern (e.g., reduce abundance and alter behavior) via different mechanisms (e.g., predation and competition). However, there are some instances in which introduced salmonids have had no perceived negative influence on native fishes. Unfortunately, the majority of the literature is circumstantial, and there is a need to experimentally manipulate these interactions.

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