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Record #187098:

Do silent ships see more fish: comparisons of walleye pollock backscatter recorded by a conventional and a noise-reduced research vessel in Alaska / Alex de Robertis, Christopher D. Wilson, Neal J. Williamson.

Title: Do silent ships see more fish: comparisons of walleye pollock backscatter recorded by a conventional and a noise-reduced research vessel in Alaska / Alex de Robertis, Christopher D. Wilson, Neal J. Williamson.
Author(s): de Robertis, Alex.
Wilson, Christopher D.
Williamson, Neal J.
Date: 2008.
In: Alaska Fisheries Science Center. Quarterly Report. (2008.), Oct-Dec (2008)
Abstract: Reports study comparing acoustic estimates of walleye pollock (Theragra chalcogramma) abundance. Study comprises five experiments in four distinct areas, and deploys conventional and noise-reduced surveying vessels in different formations to assess extent to which noise from vessels influence fish distribution. Finds that noise reduction can reduce vessel avoidance; also that vessel avoidance behaviour is variable, and current understanding of processes influencing behaviour is insufficient to make accurate prediction about cases in which avoidance will occur.
Notes:

Alaska Fisheries Science Center. Quarterly Report. Oct-Dec :1-6 (2008).

Keywords: 591.5 -- Animal behaviour.
597 -- Fish.
597.562 -- Gadiformes: Theragra chalcogramma.
629.124.722 -- Whaling vessels.
639.2 -- Fisheries.
639.2.001 -- Fisheries research.
N -- Renewable resources.
(*3) -- Arctic regions.
(*49) -- Alaska.
(*661) -- Alaskan waters.
(*662) -- Bering Sea and Strait.
SPRI record no.: 187098

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245 10 ‡aDo silent ships see more fish :‡bcomparisons of walleye pollock backscatter recorded by a conventional and a noise-reduced research vessel in Alaska /‡cAlex de Robertis, Christopher D. Wilson, Neal J. Williamson.
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500 ## ‡aAlaska Fisheries Science Center. Quarterly Report. Oct-Dec :1-6 (2008).
520 3# ‡aReports study comparing acoustic estimates of walleye pollock (Theragra chalcogramma) abundance. Study comprises five experiments in four distinct areas, and deploys conventional and noise-reduced surveying vessels in different formations to assess extent to which noise from vessels influence fish distribution. Finds that noise reduction can reduce vessel avoidance; also that vessel avoidance behaviour is variable, and current understanding of processes influencing behaviour is insufficient to make accurate prediction about cases in which avoidance will occur.
650 07 ‡a591.5 -- Animal behaviour.‡2udc
650 07 ‡a597 -- Fish.‡2udc
650 07 ‡a597.562 -- Gadiformes: Theragra chalcogramma.‡2udc
650 07 ‡a629.124.722 -- Whaling vessels.‡2udc
650 07 ‡a639.2 -- Fisheries.‡2udc
650 07 ‡a639.2.001 -- Fisheries research.‡2udc
650 07 ‡aN -- Renewable resources.‡2local
651 #7 ‡a(*3) -- Arctic regions.‡2udc
651 #7 ‡a(*49) -- Alaska.‡2udc
651 #7 ‡a(*661) -- Alaskan waters.‡2udc
651 #7 ‡a(*662) -- Bering Sea and Strait.‡2udc
700 1# ‡aWilson, Christopher D.
700 1# ‡aWilliamson, Neal J.
773 0# ‡7nnas ‡tAlaska Fisheries Science Center. Quarterly Report. ‡gOct-Dec (2008) ‡wSPRI-116111
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917 ## ‡aUnenhanced record from Muscat, imported 2019
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