Chapter Title

Behavioral Barriers and Guidance Systems

Authors

C H. Hocutt

Publication Date

1980

Keywords

acoustics, air bubbles, attraction, avoidance behavior, barriers, behavior, behavioral barriers, bubble curtain, bubbles, chains, curtain, electricity, guidance, history, illumination, intake, intake structures, power plant, repulsion, screens, structures

Chapter number

7

Start Page

183

End Page

205

Book Title

Power Plants--Effects on Fish and Shellfish Behavior

Editors

Hocutt CH;Stauffer JR;Edinger JE;Hall LW;Morgan RP;

Publication Place

New York

Publisher

Academic Press

Abstract

Behavioral barriers and guidance systems have been employed at power facilities in an attempt to attract or to repel fish away from intake structures. Fishes respond to stimuli by either a preference or avoidance reaction. Broad categories of behavioral stimuli which have been employed at power plants include: electrical screens, air bubble curtains, illumination, acoustics and changes in current and velocity. The ways fish orient and migrate using various environmental cues still remain largely a mystery.



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