Publications, Reports, and Presentations

Additional Publications

Links to other recent publications and reports are available on the Aquatic Research Projects page.

Amphibian Research

• Using digital photographs and pattern recognition to identify individual Boreal Toads (2015) Note: the paper available here is the revision submitted to the journal, not the version of record. If you are interested in the version of record, please contact Kevin Thompson (kevin.thompson@state.co.us) for a reprint.
• Gape width: an alternative to snout-vent length for characterizing anuran size (December 2009) 
• Detecting Batrachochytrium dendrobatidis in the wild when amphibians are absent (2009)
• Boreal toad reports
  
  

Bibliography of Publications, Reports, and Presentations

• 2022 - 2023
• 2021 - 2022
• 2020 - 2021
• 2019 - 2020
• 2018 - 2019
• 2017 - 2018
• 2016 - 2017
• 2015 - 2016
• Aquatic Video and Audio Presentations
  
  

Colorado Coldwater Stream Ecology Investigations

• Colorado coldwater stream ecology investigations – job progress report (2020, 2021, 2022, 2023, 2024)
  
  

Colorado River Aquatic Resources Investigations

• Colorado river aquatic resource investigations - job progress report (2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019)
  
  

Coldwater Lakes and Reservoir Ecology

• Lake and reservoir research  – job progress report (2023, 2024)
• coldwater lake and reservoir research –  job progress report (2020, 2021, 2022)
• Summer profundal index netting (SPIN) (2018)
• Trophic compression of lake food webs under hydrologic disturbance (2018)
• Energy density and dry matter content in fish (2017)
• Lake and reservoir food web ecology - job progress report (2012, 2013, 2014)
• Management for coexistence of kokanee and trophy lake trout in a montane reservoir (2014)
• Hydroclimate mediates effects of a keystone species in a coldwater reservoir (2012)
• 2011 SONAR surveys (2012) - Progress Report
• Coldwater reservoir ecology – job progress report (2006, 2007, 2008, 2009, 2010) 
• A compendium of Crustacean Zooplankton and Mysid Diluviana collections from selected Colorado reservoirs and lakes (January 2010)  
• Western lake trout woes (September 2009)
• Elemental signatures in otoliths of hatchery rainbow trout (Oncorhynchus mykiss): distinctiveness and utility for detecting origins and movement (2009)  
• Forensic applications of otolith microchemistry for tracking sources of illegally stocked whirling disease positive trout (2007) - Final Report
• Modeling target strength distributions to improve hydroacoustic estimation of lake trout population size (2006) 
• Do predators influence the distribution of age-0 kokanee in a Colorado reservoir? (2004)
• Tracking trophic interactions in coldwater reservoirs using naturally occurring stable isotopes (2002) 
• Trophic economics of lake trout management in reservoirs of differing productivity (2000) 
• Postrelease hooking mortality of rainbow trout caught on scented artificial baits (1996) 
• Selecting harvest regulations for recreational fisheries: opportunities for research/ management cooperation (1995) 
• Some factors affecting a hatchery-sustained kokanee population in a fluctuating Colorado reservoir (1995) 
• Interactions of zooplankton, Mysis relicta, and kokanees in Lake Granby, Colorado (1991) 
• Proposed biological management of Mysis relicta in Colorado lakes and reservoirs (1989)
  
  

Cutthroat Trout 

• Cutthroat trout studies – job progress report (2020, 2021, 2022, 2023, 2024)
• Effectiveness of a fishway for restoring passage of Colorado River cutthroat trout (2017)
   

Data Management

• Statewide fisheries assessments and surveys – job progress report (2018, 2019, 2021)
• Aquatic data analysis and database management – job progress report (2020, 2021, 2022, 2023, 2024)
• Aquatic data analysis – job progress report (Annual reports 2006-2019)
  
  

Eastern Plains Native Fish

• Eastern plains native fish research – job progress report (2020, 2021, 2022, 2023, 2024)
• Assessing antipredator behavior and the potential to enhance it in a species of conservation concern (2023)
• The effects of environmental enrichment on the behavior, morphology, and survival of a species of conservation concern (2023)
  
  

Fish of the Upper Colorado River Basin

• Razorback Sucker Xyrauchen texanus spawning in an intermittent Colorado tributary (2021)
• Catostomid fish larvae and early juveniles of the Upper Colorado River Basin – morphological descriptions, comparisons, and computer-interactive key  (Sept 2004)
  
  

Fish Telemetry

• Rogers, K. B. and G. C. White.  2007.  Analysis of movement and habitat use from telemetry data.  Pages 625-676 in M. Brown and C. Guy, editors.  Analysis and interpretation of freshwater fisheries data.  American Fisheries Society, Bethesda, Maryland.
  
  

Fisheries Methods

• Incorporating GPS and mobile radio frequency identification to detect PIT tagged fish and evaluate habitat utilization in streams (2017)
• Raft and floating radio frequency identification (rfid) antenna systems for detecting and estimating abundance of PIT-tagged fish in rivers (2014) 
• Addressing depletion failure and estimating gear efficiency using back-calculation of capture probabilities (2013)
• Otolith weight as a predictor of age in kokanee salmon from four Colorado reservoirs (2012)
   

Hydroacoustics

• Lake and reservoir hydroacoustic assessments report (April 2021) - Annual Report
   

Invasive Species

• Efficacy of commercially available quaternary ammonium compounds for controlling New Zealand mudsnails, Potamopyrgus antipodarum (2016)
• Quaternary ammonia compound disinfection protocols (Oct 2024)
• Application of household disinfectants to control New Zealand mudsnails (August 2008)
  
  

Mercury Studies

• Effects of prey assemblage on mercury bioaccumulation in piscivorous sport fish (2015)
• The influence of external subsidies on diet, growth and concentrations of freshwater sport fish (2012) 
• Relative influence of prey mercury concentration, prey energy density and predator sex on sport fish mercury concentrations (2012)
• Manipulation of growth to reduce sport fish mercury concentrations on a whole-lake scale (2012)
  
  

Salmonid Disease Investigations

• Genetics of wild, whirling disease resistant rainbow trout populations in Colorado (2025)
• Histological progression and bacterial load dynamics of Renibacterium salmoninarum in Chinook salmon Oncorhynchus tshawytscha (2025)
• Leveraging detection uncertainty to estimate Renibacterium salmoninarum infection status among multiple issues and assays (2025)
• Post-stocking survival and myxospore evaluation of whirling disease resistant rainbow trout strains (2023)
• Vertical transmission of Renibacterium salmoninarum in cutthroat trout (Oncorhynchus clarkii) (2023)
• Dual resistance to Flavobacterium psychrophilum and Myxobolus cerebralis in rainbow trout (Oncorhynchus mykiss, Walbaum) (2022)
• Factors affecting post-challenge survival of Flavobacterium psychrophilum in susceptible rainbow trout from the literature (2022)
• Evidence for the use of mucus swabs to detect Renibacterium salmoninarum in brook trout (2021) 
• Efficacy of Erymicin 200 injections for reducing Renibacterium salmoninarum and controlling vertical transmission in an inland rainbow trout brood stock (2020)
• Survival of whirling-disease-resistant rainbow trout fry in the wild - A comparison of two strains (2018)
• Brown trout removal effects on short-term​ survival and movement of Myxobolus cerebralis-resistant rainbow trout (2015)
• Survival and reproduction of Myxobolus cerebralis-resistant rainbow trout introduced to the Colorado River and increased resistance of age-0 progeny (2014) 
• Prevalence and intensity of the parasiticcopepod on kokanee salmon in a Colorado reservoir (2014) 
• Genetic basis of differences in Myxospore count between whirling disease-resistant and susceptible strains of rainbow trout (2012) 
• The effects of Myxobolus cerebralis on the physiological performance of whirling disease resistant and susceptiblestrains of rainbow trout (2011)
• Salmonid disease investigation – job progress report (2007, 2008, 2009, 2010, 2011)
• Resistant rainbow trout in Colorado: current status and uses (2009) - Research Summary
  
  

Sport Fish Studies

• Biotic and abiotic factors affecting short-term survival of two age-0 rainbow trout strains in Colorado streams (2023)
• Concentration, life stage, feeding, density, flow, and strain effects on formalin sensitivity in rainbow trout (Oncorhynchus mykiss) (2023)
• Habitat associations of rainbow trout Oncorhynchus mykiss and brown trout Salmo trutta fry (2021)
• Sport fish research studies – job progress report (2012-current annual reports)
• Colorado hatchery feed experiments (2019)
• Critical dissolved oxygen tolerances of whirling disease-resistant rainbow trout (2016)
• The effect of a single prerelease exposure to conspecific alarm cue on poststocking survival in three strains of rainbow trout (Oncorhynchus mykiss) (2016)
• Behavioral responses of a highly domesticated, predator naïve rainbow trout to chemical cues of predation (2015)
• Optimizing time of initiation for triploid walleye production using pressure shock treatment (2015)
• Tiger Muskellunge predation upon stock sport fish intended for recreational fishing (2014)
• An experimental approach to determine esocid preference in replicated pond systems (2012)
  
  

Stream Habitat Investigations

• Stream habitat investigations and assistance – job progress report (2006, 2011-current annual reports)
• Multispecies fish passage evaluation at a rock-ramp fishway in a Colorado transition zone stream (2020) 
• Upper Arkansas River habitat restoration project: 2013-2015 monitoring report (March 2017)
• Post-flood recovery assessment & stream restoration guidelines for the Colorado Front Range (April 2015)
• Effects of whitewater parks on fish passage: a spatially explicit hydraulic analysis (Timothy Stephens thesis, 2014)
• Modeling in a three-dimensional world: whitewater park hydraulics and their impact on aquatic habitat in Colorado. (Eleanor Kolden thesis, 2013)
• Eco-hydraulic evaluation of whitewater parks as fish passage barriers (Brian Fox thesis, 2013)
• The effects of PIT tagging on the swimming performance and survival of three nonsalmonid freshwater fishes (2012)
• Fish barriers and small plains fishes: fishway design recommendations and the impact of existing instream structures (June 2007)
  
  

Warmwater Fisheries

• Are we doing all we can to stem the tide of illegal fish stocking? (2009)
• Evaluating the power output of the Smith-Root GPP 5.0 electrofisher to promote electrofishing fleet standardization (2009) 
• Ranking predatory threats by nonnative fishes in the Yampa River, Colorado, via bioenergetics modeling (2008) 
• Stable isotope analysis of centrarchid concentration areas (2007) 
• Current status and review of freshwater fish aging procedures used by state and provincial fisheries agencies with recommendations for future directions (2007)
• Westslope warmwater fisheries – job progress report (2006, 2007)
• Sources of nonnative centrarchids in the upper Colorado River revealed by stable isotope and microchemical analyses of otoliths (2007) 
• Stable hydrogen isotopic composition of fishes reflects that of their environment (2006) 
• Colorado nonnative fish stocking regulation evaluation (February 2004) - Final Report
• the use of a pattern judgment model to assess fish habitat suitability in two Colorado reservoirs (2003)
• Stable isotope signatures of native and nonnative fishes in upper Colorado River backwaters and ponds (2001) 
• Fish species composition before and after construction of a main stem reservoir on the White River, Colorado (1994)
• Evaluation of an introduction of Colorado squawfish in a main stem impoundment on the White River, Colorado (1993)
• Fabrication of stainless steel spherical anodes for use with boat-mounted boom electroshockers (1992) 
• White River Taylor Draw project (June 1986)
  
  

Water Pollution Studies

• Water pollution studies – job progress report (1994-current annual reports)
• Thermal tolerance of larval flannelmouth sucker Catostomus latipinnis acclimated to three temperatures (2024)
• Increased density of bluehead sucker larvae decreases critical thermal maximum (2023)
• Effects of 17a-ethinylestradiol and density on juvenile fathead minnow survival and body size (2022)
• Increasing copper concentrations do not affect Myxobolus cerebralis triactinomyxon viability (2019)
• Chronic toxicity of ammonia to early life stage rainbow trout (March 2009) 
• Exposure to 17Β-estradiol alters reproduction of the adult red shiner (Cyprinella Lutrensis) (Michelle McGee thesis, 2008)
• Acute toxicity of aqueous copper, cadmium, and zinc to the mayfly (2007)
• Toxicity of cadmium of early life stages of brown trout at multiple water hardness (2007) 
• Zinc toxicity to the mottled sculpin in high-hardness water (2004) 
• Acute and chronic toxicity of zinc to the mottled sculpin (2001) 
• Identification of gas supersaturation sources in the upper Colorado River, USA (1999)
  
  

West Slope Three Species Investigations

• Native three-species research – job progress report (2022, 2023, 2024)
• Three-species research project summary – job progress report (2019, 2020)
• Migration timing and tributary use of spawning flannelmouth sucker (2023)
• Species composition and hybridization among native and nonnative catostomid fishes in two streams of the Gunnison River basin, Colorado (2020)
• Temperature – not flow – predicts native fish reproduction with implications for climate change (2019)
• An intermittent stream supports extensive spawning of large-river native fishes (2018)
• Inconsistent reproductive isolation revealed by interactions between Catostomus fish species (2017)
• Short-term passive integrated transponder tag retention in wild populations of bluehead and flannelmouth suckers (2017)
• Tributary use by imperiled flannelmouth and bluehead suckers in the upper Colorado River basin (2017)
• Three species investigations – job progress report (2014, 2017)
• Movement patterns, reproduction, and potential impacts of climate change on three native fishes in the upper White River drainage, Colorado (2015)
  
  

Whirling Disease

• Fishery management interventions to eliminate Myxobolus cerbralis infection in Lower Square Top Lake, Clear Creek County, Colorado (1998-2014) (2014)
• Fishery management interventions to eliminate Myxobolus cerbralis infection in Placer Creek, Costilla County, in the San Luis Valley, Colorado (2003-2013) (2014)
• Fishery management interventions to reduce Myxobolus cerbralis infections in fish ponds on the Cap K Ranch (2000-2013) (2014)
• Evaluation of small-scale habitat manipulation to reduce the impact of the whirling disease parasite in streams (2011)
• Whirling disease investigations – job progress report (2006, 2007, 2008, 2009, 2010)
• Whirling disease habitat interactions– job progress report (2004, 2005, 2006, 2007, 2008)
• Use of site occupancy models to estimate prevalence of Myxobolus cerebralis infection in trout (2007)
• Inheritance of Myxobolus cerebralis resistance among f1-generation crosses of whirling disease resistant and susceptible rainbow trout strains (2006)
• Efficacy of passive sand filtration in reducing exposure of salmonids to the actinospore of Myxobolus cerebralis (2003)
• Using sediment core samples to examine the spatial distribution of Myxobolus cerebralis actinospore production in Windy Gap Reservoir, Colorado (2003)
• Response of rainbow trout Oncorhynchus mykiss to exposure to Myxobolus cerebralis above and below a point source of infectivity in the upper Colorado River (2002)
• Evaluation of risk of high elevation Colorado waters to the establishment of Myxobolus cerebralis (2002) 
• Comparison of single-round polymerase chain reaction (PCR) and pepsin-trypsin digest (PTD) methods for detection of Myxobolus cerebralis (2001) 
• Effects of multiple stressors on morbidity and mortality of fingerling rainbow trout infected with Myxobolus cerebralis (2000) 
• A simple technique used to filter and quantify the actinospore of Myxobolus cerebralis and determine its seasonal abundance in the Colorado River (2000)
• Gill ectoparasites of juvenile rainbow trout and brown trout in the upper Colorado River (1999) 
• Evaluation of chronic gas supersaturation on growth, morbidity, and mortality of fingerling rainbow trout infected with Myxobolus cerebralis (1999)
  
  

Whitefish Investigations

• Effects of whirling disease exposure on juvenile mountain whitefish (2010)
  
  

New Technical Publications

• 2020 Colorado angler survey summary report(2021) 
• History and outcomes of Opossum Shrimp introductions in Colorado(2021) 
• Observations of parasites of the fishes of Colorado(2020)
• Present distribution of three Colorado River Basin native non-game fishes and their use of tributaries(2019)
• Upper Arkansas River habitat restoration project(2017)
• Cyprinid fish larvae and early juveniles of the upper Colorado River Basin: morphological descriptions, comparisons and computer-interactive key  (2016)