Spatial Impact of Recreational-Grade Echosounders and the Implications for Killer Whales

Spatial Impact of Recreational-Grade Echosounders and the Implications for Killer Whales

The spatial extent of a dual-frequency echosounder and its potential impact on cetacean species were examined. Sound emissions of output frequencies of 83 kHz and 200 kHz were tested at a maximum distance of 400 m. This is the minimum vessel approach distance for killer whales (<i>Orcinus orca...

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Bibliographic Details
Main Authors:	Rianna Burnham, Svein Vagle, Peter Van Buren, Christie Morrison
Format:	Article
Language:	English
Published:	MDPI AG 2022-09-01
Series:	Journal of Marine Science and Engineering
Subjects:	echosounders acoustic additions spatial extent water column profile southern resident killer whales
Online Access:	https://www.mdpi.com/2077-1312/10/9/1267

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