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  • Company News
  • Posted June 22, 2016

Smith-Root and Natural Solutions Develop Innovative Technology

Smith-Root of Vancouver, Washington worked with Natural Solutions of Helena, Montana to develop an innovative fish guidance system that reduces mortality and entrainment of fish at high volume water intakes. The functionality of Smith-Root’s Graduated-Field Electric Barrier (GFEB) technology hybridized with Natural Solutions’ Flow Velocity Enhancement System (FVES) achieves the high levels of fish protection and guidance required by government regulations. Of particular note, the system...

Book cover
  • Company News
  • Posted June 21, 2016

New Book ‘Electricity in Fish Research and Management: theory and practice’ Now Available

Smith-Root’s UK representative Bill Beaumont has just published a book on the various uses of electricity in fisheries studies (W R C Beaumont, Electricity in Fish Research and Management: theory and practice, 2nd edition, published by Wiley Blackwell). Over the past 50 years, electric fishing has become a standard method for fisheries studies and management (e.g. establishing population densities and abundance). However, due to the potential hazards of the method (to both operators and...

  • Company News
  • Posted May 02, 2016

Smith-Root Provides Community Outreach Help for Wild Fish Rescue Operation

In early April, 2016, Smith-Root staff assisted NW Wild Fish Rescue (Mr. Dave Brown and his volunteers) with the release of 2,000 wild Coho Salmon juveniles back into their home stream, Vancouver’s Salmon Creek. Smith-Root Senior Scientist, Carl Burger helped organize this event. Brown sought a good release location in upper Salmon Creek, one having good spawning gravels (for the expected future return of adults), and high-quality rearing habitat with cover for the pre-smolts released....

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  • Company News
  • Posted January 14, 2016

Invasive Carp Barrier Constructed in Southwest Minnesota

Illinois Lake is located near the town of Round Lake in Jackson County, a few miles north of the border with Iowa. The lake outlet flows southeast to the West Fork Little Sioux River. Invasive carp, including silver carp (Hypophthalmichthys molitrix) and bighead carp (H. nobilis) are present in the Little Sioux River watershed. While Illinois Lake is not usually stocked with fish, it is connected at the surface to Round Lake, an important regional lake for fishing and recreation, and is...

Barrier from the east
  • Company News
  • Posted August 20, 2015

Smith-Root Commissions Two New Fish Barriers in Minnesota

Smith-Root commissioned two Graduated Field Fish Barriers (GFFBs) in the southcentral Minnesota town of Albert Lea in May and June, 2015. One GFFB is at the outlet of Albert Lea Lake, and the other is on Goose Creek, a short creek that connects two upstream lakes. Both barriers feature an open channel design, with vertical side walls and electrodes flush-mounted to the barrier slab and walls. The owner and operator of the barriers is the Shell Rock River Watershed District. Albert Lea Lake –...