Progress In Reducing The Habitat Impact Of Trawls And Dredges

Goudey, Clifford A.

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Progress In Reducing The Habitat Impact Of Trawls And Dredges

1999
By Goudey, Clifford A.

[PDF-4.74 MB]

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Details:

Personal Author:

Goudey, Clifford A.
Corporate Authors:

Massachusetts Institute of Technology
NOAA Program & Office:

Sea Grant ; OAR (Oceanic and Atmospheric Research)

Sea Grant ; OAR (Oceanic and Atmospheric Research) Less -
Sea Grant Program:

MIT (MIT Sea Grant)
Description:

This report describes a project aimed at reducing the impact of trawls and dredges on the sea bed. Model tests of a variety of flexible devices were performed, exploring the potential of using hydrodynamic forces to control trawl shape and height in the water column. Utility in midwater and off-bottom fisheries was demonstrated and some devices showed potential in improving trawl selectivity. A second phase of the project focused on the development of a sea scallop dredge aimed at reducing the habitat disturbance associated with that fishery. Sea trials of a novel dredge design were performed to improve its operation and catch rate.
Keywords:

[+]

Benthos Environmental Aspects Ocean Bottom. Ocean Engineering Trawls And Trawling
Sea Grant Document Number:

MIT-T-99-001
Document Type:

Technical Report
Rights Information:

Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:f53dd45f262f98bd2444239776e3bc952e36378c15eb3d73102c08f0f3a7bfce
Download URL:

https://repository.library.noaa.gov/view/noaa/41529/noaa_41529_DS1.pdf
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Progress In Reducing The Habitat Impact Of Trawls And Dredges

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