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The potential impact of 1-8 kHz active sonar on stocks of juvenile fish during sonar exercises.

2005

Norwegian Defence Research Establishment

Kvaldsheim, P. H. and Sevaldsen, E. M.

The mortality threshold for juvenile herring exposed to sonar signals is 180-190 dB (re 1μPa), and for other species even higher. This report analyses the potential...
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Keywords: Juvenile fish species, Military exercise, Sonar

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Stage 2: Sound emissions & propagation
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Sound Modelling

Stage 3: Existing biological environment
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Stage 4: Potential impact assessment
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Literature Review

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Sound Source

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Representative of real world source

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Parameters clearly measured and reported

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Considers temporal / spatial variation

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Control parameters clearly stated

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Pre 1985 Post 1985

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