Accurate measurements with the DIDSON - Wageningen IMARES October 2009

Tags: macartney group data acquisition

At the beginning of this year, MacArtney Benelux sold a DIDSON to Imares Wageningen. The DIDSON has been a success and Imares Wageningen has now published a newsletter describing the project.

A high frequency sonar (DIDSON) was used this summer to determine fish densities around windmills in the wind energy park off the shore of Egmond aan Zee. Since the research vessels normally used for the estimation of pelagic fish abundance were not allowed near the windmills, scientists were kept in the dark about the amounts of fish located around the poles of the turbines. They relied on rough estimates. Finally, two years after the first measurements were taken in de park, the missing data were collected.


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