Fish populations--Measurement; Trawls and trawling
The use of trawls for sampling fish populations is discussed. Techniques and equipment for this trawling operation included a small boot with a 25-foot trawl and a battery-powered winch on a forward-mounted crossboom for setting and retrieving the trawl.
Krosch, H. F.
Use of Trawls for Sampling Fish.
Journal of the Minnesota Academy of Science, Vol. 38 No.2, 81-83.
Retrieved from https://digitalcommons.morris.umn.edu/jmas/vol38/iss2/6