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CPW to discuss whirling disease, Greenback restoration and South Platte improvements

Posted by allynkratz on January 28, 2016 in Blog Post, Uncategorized

The CMCTU February Meeting is coming soon and we really want you there!

Our February meeting will be held on February 23rd back at CPW

We at CMCTU are working closely with the folks from Colorado Parks and Wildlife to bring you our members insight into the state of your fisheries here in Colorado. Our current focus is on the upper South Platte Basin. In January Jeff Spohn, our manager for the entire fishery in the upper South Platte Basin, talked about the effect of flows on wild rainbow populations in 11-Mile Canyon. Jeff also discussed with us that whirling disease is prevalent in the South Platte and that rainbow trout don’t survive their first year of life due to the disease (there are three exceptions to this, just below the dam in 11-Mile Canyon, Wild Cat Canyon and Cheeseman Canyon). Thus the rainbows and cuttbows we catch in places like the Dream Stream are hatchery fish.

Tubiflex worms that are a key link to whirling disease...., and to trout a tasty morsel (think San Juan worm)

Tubiflex worms that are a key link to whirling disease…., and to trout a tasty morsel (think San Juan worm)

At our February meeting (to be held back at usual CPW location) we our honored to have three of Jeff’s colleagues and collaborators from CPW up in Fort Collins.

Eric Featherman of the Aquatic Research Division of CPW is an expert in Whirling disease and will present some of his research. His work has recently been recognized and he was awarded the with the prestigious Sport Fish Restoration Outstanding Project award for 2015. Check out one of Eric’s research paper’s on whirling disease, 2014_Fetherman_SurvivalReproductionofRresistantTrout(1).

Eric Fetherman (CPW) and Brian Avila (CSU) collecting genetic samples from wild rainbow trout populations.

Eric Fetherman (CPW) and Brian Avila (CSU) collecting genetic samples from wild rainbow trout populations.

Matt Kondratieff, also of the Aquatic Research Division, whose focus is on Stream Habitat Investigations. Matt has been intimately involved with stream habitat projects throughout South Park and beyond. He is currently working the Dream Stream restoration project.

Matt will talk about what makes a healthy trout stream. To learn more read about the stream projects and and his Colleague ERic Richer have been working on, StreamHabitatInvestigations2013.

A healthy Stream, the South Platte in Tomahawk SWA in South Park. Notice all the willows!

A healthy Stream, the South Platte in Tomahawk SWA in South Park. Notice all the willows!

Construction on the Dream Stream. Where are the willow? Ask Don at the February meeting.

Construction on the Dream Stream.

A finished undercut on the Dream Stream thanks to Matt and the CPW team.

A finished undercut on the Dream Stream thanks to Matt and the CPW team.

Boyd Wright is responsible for native aquatic species in CPW Northeast. In that capacity Boyd is the lead for Greenback Cutthroat restoration efforts in the South Platte Basin. Boyd will discuss Greenback restoration. 2015 promises to be a landmark year for the greenbacks; if all goes according to plan greenbacks will be planted in 2 streams in their native range!

Greenbacks make their triumphant return to the S. Platte Basin with the first batch stocked into Zimmerman Lake

Greenbacks make their triumphant return to the S. Platte Basin with the first batch stocked into Zimmerman Lake

And after a year and a half our intern Colton meets up with one of Boyd’s greenbacks in late summer 2015.

 

Colton Gully with a Zimmerman Lake Green back

Colton Gully with a Zimmerman Lake Green back

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