Technical Reports: Nonnative Fish Management

Smallmouth bass

Bestgen, K. R. 2018. Evaluate effects of flow spikes to disrupt reproduction of smallmouth bass in the Green River downstream of Flaming Gorge Dam. Final report to the Upper Colorado River Endangered Fish Recovery Program. Denver, Colorado. Department of Fish, Wildlife, and Conservation Biology, Colorado State University, Fort Collins. Larval Fish Laboratory Contribution 214.

Bestgen, K. R., and A. A. Hill. 2016. River regulation affects reproduction, early growth, and suppression strategies for invasive smallmouth bass in the upper Colorado River basin. Final report submitted to the Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado. Department of Fish, Wildlife, and Conservation Biology, Colorado State University, Fort Collins. Larval Fish Laboratory Contribution 187.

Breton, A. R, D. L. Winkelman, K. R. Bestgen, and J. A. Hawkins. 2015. Population dynamics modeling of introduced smallmouth bass in the upper Colorado River basin. Final report to the Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado. Larval Fish Laboratory Contribution 186.

Breton, A. R, D. L. Winkelman, J. A. Hawkins, and K. R. Bestgen. 2014. Population trends of smallmouth bass in the upper Colorado River basin with an evaluation of removal effects. Final report to the Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado. Larval Fish Laboratory Contribution 169.

Fuller, M. 2009. Lower Yampa River Channel Catfish and Smallmouth Bass Control Program, Colorado, 2001-2006.

Hawkins, J., C. Walford, and A. Hill. 2009. Smallmouth bass control in the middle Yampa River, 2003-2007.

Badame, P.,et al, 2008. Smallmouth Bass (Micropterus dolomieu) Removal in the Middle Green River, Utah 2004-2006.

G. Haines and T. Modde. 2007. A review of smallmouth bass removal in Yampa Canyon, with notes on the simulated effort needed to reduce smallmouth bass in the Green River subbasin.

Bob D. Burdick. 2008. Removal of Smallmouth Bass and Four Other Centrarchid Fishes from the Upper Colorado and Lower Gunnison Rivers: 2004-2006

Northern pike

Zelasko, K. A., K. R. Bestgen, J. A. Hawkins, G. C. White. 2015. Abundance and population dynamics of invasive northern pike Esox lucius, Yampa River, Colorado, 2004–2010. Final Report to the Upper Colorado River Endangered Fish Recovery Program, Project 161b, Denver. Larval Fish Laboratory Contribution 185.

**Bestgen, K. R., K. A. Zelasko, T. Eyre, C. Smith, G. C. White and M.T. Jones. 2020. Abundance estimation following increased removal verifies declining trent of northern pike in the Yampa River, Colorado. Final Report to the Upper Colorado River Endangered Fish Recovery Program, Denver. Larval Fish Laboratory Contribution 218.

Martin, L. M. and Wright, F. B.  Middle Yampa River Northern Pike and Smallmouth Bass Removal and Evaluation; Colorado Pikeminnow and Roundtail Chub Evaluation: 2004 – 2007.

Fitzpatrick, R.M. and D.L. Winkelman. 2009. Use of otolith elemental signatures in estimating sources of northern pike recruitment in the Yampa River, Colorado. Final Report Project 143 to the Upper Colorado River Endangered Fish Recovery Program.

S. Finney and G. Haines. 2008. Northern Pike Removal, Smallmouth Bass Monitoring, and Native Fish Monitoring in the Yampa River, Hayden to Craig Reach, 2004-2006.

L. Monroe and T. Hedrick. 2008. Northern Pike (Esox lucius) Control in the Middle Green River, Utah 2001-2006.

Christopher G. Hill. 2005. Dynamics of Northern Pike Spawning and Nursery Habitat in the Yampa River, Colorado. 

Hawkins, J.,et al, 2005. Northern pike management studies in the Yampa River, 1999-2002. Final report of Larval Fish Laboratory, Colorado State University, Fort Collins to Upper Colorado River Endangered Fish Recovery Program, U.S. Fish and Wildlife Service, Denver, Colorado.

Nonnative Fish Escapement

Native Fish Response

General Topics