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Fish do not avoid survey vessels

Fish do not avoid survey vessels
Fish do not avoid survey vessels
The precarious condition of the world's fisheries is making ever-greater demands of the scientific assessment of fish stocks. Traditional assessments that rely on commercial catch statistics can have major shortcomings (as shown, for example, by the collapse of Canada's northern cod stock), increasing the need for more fishery-independent data. Acoustic surveys can provide such information, but ocean-going research vessels have high operating costs, and there is also widespread concern that fish avoid these vessels because of the noise they make, thereby biasing abundance estimates. Here we present new data gathered by an autonomous underwater vehicle (AUV) showing that vessel avoidance is not a significant source of bias. Our investigation also heralds the arrival of AUVs as effective survey platforms.
AUTOSUB 1, AUV, FISH STOCKS, ACOUSTIC SURVEYS, NORTH SEA, HERRING, NOISE EFFECTS, SHIP NOISE
0028-0836
35-36
Fernandes, P.G.
d4dade97-823a-4729-88b8-b8eab8970561
Brierley, A.S.
845cbcc3-15ce-42b1-aed5-ff5c4a760f19
Simmonds, E.J.
3103bbcc-caae-4fbf-b181-3e3de75a80a1
Millard, N.W.
49580a7b-9346-484e-80f9-c6ef62e73b65
McPhail, S.D.
58ac4bcd-26a6-4845-8e81-6d6a8f18aed7
Armstrong, F.
82f7acc4-dccd-4381-9685-e6fbdbf2e96c
Stevenson, P.
5e0b96d1-1429-4010-a493-ea23a849f46d
Squires, M.
77858f23-632b-4e95-b392-88a14e3309bd
Fernandes, P.G.
d4dade97-823a-4729-88b8-b8eab8970561
Brierley, A.S.
845cbcc3-15ce-42b1-aed5-ff5c4a760f19
Simmonds, E.J.
3103bbcc-caae-4fbf-b181-3e3de75a80a1
Millard, N.W.
49580a7b-9346-484e-80f9-c6ef62e73b65
McPhail, S.D.
58ac4bcd-26a6-4845-8e81-6d6a8f18aed7
Armstrong, F.
82f7acc4-dccd-4381-9685-e6fbdbf2e96c
Stevenson, P.
5e0b96d1-1429-4010-a493-ea23a849f46d
Squires, M.
77858f23-632b-4e95-b392-88a14e3309bd

Fernandes, P.G., Brierley, A.S., Simmonds, E.J., Millard, N.W., McPhail, S.D., Armstrong, F., Stevenson, P. and Squires, M. (2000) Fish do not avoid survey vessels. Nature, 404 (6773), 35-36. (doi:10.1038/35003648).

Record type: Article

Abstract

The precarious condition of the world's fisheries is making ever-greater demands of the scientific assessment of fish stocks. Traditional assessments that rely on commercial catch statistics can have major shortcomings (as shown, for example, by the collapse of Canada's northern cod stock), increasing the need for more fishery-independent data. Acoustic surveys can provide such information, but ocean-going research vessels have high operating costs, and there is also widespread concern that fish avoid these vessels because of the noise they make, thereby biasing abundance estimates. Here we present new data gathered by an autonomous underwater vehicle (AUV) showing that vessel avoidance is not a significant source of bias. Our investigation also heralds the arrival of AUVs as effective survey platforms.

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More information

Published date: 2000
Keywords: AUTOSUB 1, AUV, FISH STOCKS, ACOUSTIC SURVEYS, NORTH SEA, HERRING, NOISE EFFECTS, SHIP NOISE

Identifiers

Local EPrints ID: 5995
URI: http://eprints.soton.ac.uk/id/eprint/5995
ISSN: 0028-0836
PURE UUID: 5886bac6-689a-431d-98ec-48d71c9d5f6a

Catalogue record

Date deposited: 07 Jun 2004
Last modified: 15 Mar 2024 04:46

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Contributors

Author: P.G. Fernandes
Author: A.S. Brierley
Author: E.J. Simmonds
Author: N.W. Millard
Author: S.D. McPhail
Author: F. Armstrong
Author: P. Stevenson
Author: M. Squires

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