DNA flows Downhill: Using Aquatic eDNA for Terrestrial Species Monitoring
As rain falls and flows over the landscape, it carries all manner of debris into the watershed – including traces of animals that reside on land. The Read More…
fish monitoring
Custom Fabrication For The Riverwatcher Fish Counter — Flashback Friday
In today's Flashback Friday we take a look back at one of our custom fabrication projects where we built a Riverwatcher fish-counting device at a fish passage Read More…
Advancing Steelhead Monitoring in the San Joaquin Basin
Studying steelhead (Oncorhynchus mykiss) populations in the rivers of California’s Central Valley has long challenged scientists and managers due to the species’ diverse and complex life history. Read More…
Keeping Tabs on Fish Health in the Calaveras River
The Calaveras River is home to several iconic and sensitive native California fish species, including both forms of Oncorhynchus mykiss (steelhead and rainbow trout) and opportunistic runs of Read More…
Coho Climate Challenge: Identifying At-risk Populations
A wealth of data about the past can make it easier to predict the future. Biologists studying economically valuable salmon often have the advantage of working with Read More…
Environmental DNA: New Technology, New Uncertainties, and Establishing Best Practices
With any new technology comes a slew of new uncertainties, requiring scientists to wrestle with questions about best practices, possible sources of error, and interpretation of results. Read More…
Our Top Stories of 2019
As the new year gets underway, we like to look back at the year in the rearview mirror to see which of our website stories readers found Read More…
Flashback Friday: Heavy Metal
In today's Flashback Friday, we describe the installation of a rigid weir to monitor both upstream and downstream fish passages – including with a video of the Read More…
Elevator Ride: Custom Fabrication for the Riverwatcher Fish Counter
Our fabrication team knows how to go big when it comes to creating custom fisheries monitoring equipment. Our latest mega-build is a giant lift system used to Read More…
Hope for Rainbow Trout on the Stanislaus River
Cooked trout might make an excellent dinner, but sizzling water temperatures are bad news for wild trout in rivers. Rainbow trout on the Stanislaus River found themselves Read More…