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 (August 2021) – Job Progress Report
• Colorado Coldwater Stream Ecology Investigations (August 2020) – Job Progress Report

Colorado River Aquatic Resources Investigations

• Colorado River Aquatic Resource Investigations (August 2019) - Job Progress Report
• Colorado River Aquatic Resource Investigations (October 2018) - Job Progress Report
• Colorado River Aquatic Resource Investigations (August 2017) - Job Progress Report
• Evaluation of an Electric Fish Barrier on the South Canal, an Irrigation Ditch on the Lower Gunnison River, Colorado
• Colorado River Aquatic Resources Investigations (August 2016) - Job Progress Report
• Colorado River Aquatic Resources Investigations (August 2015) - Job Progress Report
• Colorado River Aquatic Resources Investigations (August 2014) - Job Progress Report (9.5 MB)
• Colorado River Aquatic Resources Investigations (August 2013) - Job Progress Report
• Colorado River Aquatic Resources Investigations (August 2012) - Job Progress Report
• Colorado River Aquatic Resources Investigations (June 2011) - Job Progress Report

Coldwater Lakes and Reservoir Ecology

• Colorado Coldwater Stream Ecology Investigations (August 2023) – Job Progress Report
• Colorado Coldwater Stream Ecology Investigations (August 2022) – Job Progress Report
• Colorado Coldwater Stream Ecology Investigations (August 2021) – Job Progress Report
• Colorado Coldwater Stream Ecology Investigations (August 2020) – Job Progress Report
• Lake and Reservoir Research (2023) – Annual Report
• Coldwater Lake and Reservoir (2022) - Annual Report
• Coldwater Lake and Reservoir (2021) - Annual Report
• Coldwater Lake and Reservoir (2020) - Annual Report
• Summer Profundal Index Netting (SPIN) (2018)
• Trophic Compression of Lake Food Webs Under Hydrologic Disturbance (2018)
• Coldwater Lake and Reservoir Research Projects (May 2018) - Annual Report
• Energy Density and Dry Matter Content in Fish (2017)
• Lake and Reservoir Food Web Ecology (September 2014) - Job Progress Report
• Management for Coexistence of Kokanee and Trophy Lake Trout in a Montane Reservoir (2014)
• Lake and Reservoir Food Web Ecology (2013) - Annual Report
• Lake and Reservoir Food Web Ecology (2012) - Annual Report
• Hydroclimate Mediates Effects of a Keystone Species in a Coldwater Reservoir (2012)
  Johnson, Brett M., Martinez, Patrick J. Lake and Reservoir Management, 28:1, 70-83
• SONAR Survey Report (2012) - Progress Report
• Coldwater Reservoir Ecology (2010) - Progress Report 
• A Compendium of Crustacean Zooplankton and Mysid Diluviana Collections From Selected Colorado Reservoirs and Lakes (January 2010) (20MB) 
  Martinez, Patrick J., Gross, Michael D., Vigil, Estevan M.
• Western Lake Trout Woes (September 2009)
  Martinez, P. J., Bigelow, P. E., Deleray, M A., Fredenberg, W. A., Hansen, B. S., Horner, N. J., Lehr, S. K., Schneidervin, R. W., Tolentino, S. A., and A. E. Viola. 2009. Western Lake Trout Woes. Fisheries 34(9), 424-442.
• Coldwater Reservoir Ecology (2009) - Progress Report 
• Elemental signatures in otoliths of hatchery rainbow trout (Oncorhynchus mykiss): distinctiveness and utility for detecting origins and movement (2009)  
• Coldwater Reservoir Ecology (2008) - Progress Report
• Forensic Applications of Otolith Microchemistry For Tracking Sources of Illegally Stocked Whirling Disease Positive Trout (2007) - Final Report
• Coldwater Reservoir Ecology (2007) - Progress Report
• Coldwater Reservoir Ecology (2006) - Progress 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 (2020) - Progress Report

Data Management

• Statewide Fisheries Assessments and Surveys (August 2020) - Progress Report
• Aquatic Data Analysis (March 2020) - Progress Report 
• Statewide Fisheries Assessments and Surveys (August 2019) - Progress Report
• Aquatic Data Analysis (August 2019) - Job Progress Report
• Statewide Fisheries Assessments and Surveys (September 2018) - Progress Report
• Aquatic Data Analysis (August 2018) - Progress Report
• Statewide Fisheries Assessments and Surveys (September 2017) - Progress Report
• Aquatic Data Analysis (August 2017) - Progress Report
• Aquatic Data Analysis (August 2016) - Progress Report
• Aquatic Data Analysis (August 2015) - Progress Report
• Aquatic Data Analysis (August 2014) - Progress Report
• Aquatic Data Analysis (August 2013) - Progress Report 
• Aquatic Data Analysis (August 2012) - Progress Report
• Aquatic Database (June 2011) - Progress Report
• Aquatic Data Analysis (May 2010) - Progress Report  
• Aquatic Data Analysis (June 2009) - Progress Report 
• Aquatic Data Analysis (July 2008) - Progress Report  
• Aquatic Data Analysis (June 2007) - Progress Report
• Aquatic Data Analysis (May 2006) - Progress Report

Eastern Plains Native Fish

• Eastern Plains (2021) - Progress Report
• Eastern Plains (2020) - Progress Report

Fish of the Upper Colorado River Basin

• Cyprinid Fish Larvae and Early Juveniles of the Upper Colorado River Basin: Morphological Descriptions, Comparisons and Computer-Interactive Key  (May 2016) (31MB)
• Catostomid fish larvae and early juveniles of the Upper Colorado River Basin – morphological descriptions, comparisons, and computer-interactive key  (September 2004)

Fish Telemetry

• Fish Telemetry - Chapter 14 (2007) - Analysis of movement and habitat use from telemetry data
  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 (April 2022)
• 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 Culture Studies

Salmonid Disease Investigation

• Dual resistance to Flavobacterium psychrophilum and Myxobolus cerebralis in rainbow trout (Oncorhynchus mykiss, Walbaum) (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 (July 2011) - Final Progress Report 
• Salmonid Disease Investigation (June 2010) - Job Progress Report 
• Salmonid Disease Investigation (June 2009) - Job Progress Report
• Resistant Rainbow Trout in Colorado: Current Status and Uses (2009) - Research Summary  
• Salmonid Disease Investigation (July 2008) - Job Progress Report
• Salmonid Disease Investigation (June 2007) - Job Progress Report

Sport Fish Studies

• Habitat associations of rainbow trout Oncorhynchus mykiss and brown trout Salmo trutta fry (2021)
• Sport Fish Research Studies (2021) - Progress Report
• Sport Fish Research Studies (2020) - Progress Report
• Colorado Hatchery Feed Experiments (2019)
• Sport Fish Research Studies (2019) - Progress Report
• Sport Fish Research Studies (2018) - Progress Report
• Sport Fish Research Studies (2017) - Progress Report
• Critical dissolved oxygen tolerances of whirling disease-resistant rainbow trout (2016)
• Sport Fish Research Studies (2016) - Progress Report
• The effect of a single prerelease exposure to conspecific alarm cue on poststocking survival in three strains of rainbow trout (Oncorhynchus mykiss) (2016)
• ​Sport Fish Research Studies (2015) Progress Report
• Behavioral responses of a highly domesticated, predator naïve rainbow trout to chemical cues of predation (2015)
• Optimizing time of initiation for triploid walle​ye production using pressure shock treatment (2015)
• Optimizing Triploid Walleye Production in Colorado (2015) 
• Sport Fish Research Studies (2014) - Progress Report
• Tiger Muskellunge Predation Upon Stock Sport Fish Intended for Recreational Fishing (2014)
• Sport Fish Research Studies (2013) - Progress Report
• Sport Fish Research Studies (2012) - Progress Report
• An Experimental Approach to Determine Esocid Preference in Replicated Pond Systems (2012)

Stream Habitat Investigations

• Stream Habitat Investigations and Assistance (2021) - Progress Report
• Multispecies fish passage evaluation at a rock-ramp fishway in a Colorado transition zone stream (2020) 
• Stream Habitat Investigations and Assistance (2020) - Progress Report
• Stream Habitat Investigations and Assistance (2019) - Progress Report
• Stream Habitat Investigations and Assistance (2018) - Progress Report
• Stream Habitat Investigations and Assistance (2017) - Progress Report
• Upper Arkansas River Habitat Restoration Project: 2013-2015 Monitoring Report (March 2017)
• Stream Habitat Investigations and Assistance (2016) - Progress Report
• Post-Flood Recovery Assessment & Stream Restoration Guidelines for the Colorado Front Range (April 2015)
• Stream Habitat Investigations and Assistance (2015) - Progress Report
• Effects of Whitewater Parks on Fish Passage: A Spatially Explicit Hydraulic Analysis. (Tim Stephens, 2014)
• Stream Habitat Investigations and Assistance (2014) - Progress Report (20.4 MB)
• Stream Habitat Investigations and Assistance (2013) - Progress Report (32MB)
• Modeling in a Three-dimensional World: Whitewater Park Hydraulics and their Impact on Aquatic Habitat in Colorado. (Eleanor Kolden, 2013)
• Eco-hydraulic Evaluation of Whitewater Parks as Fish Passage Barriers (Brian Fox, 2013)
• The Effects of PIT Tagging on the Swimming Performance and Survival of Three Nonsalmonid Freshwater Fishes (2012)
• Stream Habitat Investigations and Assistance (2012) - Progress Report
• Stream Habitat Investigations and Assistance (2011) - Progress Report
• Fish Barriers and Small Plains Fishes: Fishway Design Recommendations and the Impact of Existing Instream Structures (June 2007)
  Myrick, Christopher A. and Ficke, Ashley D. 2007
• Stream Habitat Investigations and Assistance (2006) - Final Progress Report

Warmwater Fisheries

• Are We Doing All We Can to Stem the Tide of Illegal Fish Stocking? (August 2009) - Fisheries 34(8)
• 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 (August 2007) 
• Current Status and Review of Freshwater Fish Aging Procedures Used by State and Provincial Fisheries Agencies with Recommendations for Future Directions (July 2007) - Fisheries 32(7) 329-340
• Westslope Warmwater Fisheries (June 2007) - Job Progress Report
• Sources of Nonnative Centrarchids in the Upper Colorado River Revealed by Stable Isotope and Microchemical Analyses of Otoliths (2007) 
• Westslope Warmwater Fisheries (August 2006) - Job Progress Report
• Stable hydrogen isotopic composition of fishes reflects that of their environment (2006) 
• Colorado Nonnative Fish Stocking Regulation Evaluation (February 2004) - Final Report (9.4 MB)
• 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 ( September 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 (December 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 (2020) - Progress Report
• Increasing copper concentrations do not affect Myxobolus cerebralis triactinomyxon viability (2019)
• Water Pollution Studies (2019) - Progress Report
• Water Pollution Studies (2018) - Progress Report
• Water Pollution Studies (2017) - Progress Report
• Water Pollution Studies (2016) - Progress Report
• Water Pollution Studies (2015) - Progress Report
• Water Pollution Studies (2014) - Progress Report
• Water Pollution Studies (2013) - Progress Report
• Water Pollution Studies (2012) - Progress Report 
• Water Pollution Studies (2011) - Progress Report
• Water Pollution Studies (2010) - Progress Report 
• Water Pollution Studies (2009) - Progress Report 
• Chronic Toxicity of Ammonia to Early Life Stage Rainbow Trout (March 2009) 
• McGree's Thesis (Spring 2008) - Effects of 17Β-estradiol on the reproduction of adult red shiners 
• Water Pollution Studies (2008) - Progress Report
• 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) 
• Water Pollution Studies (2007) - Progress Report
• Water Pollution Studies (2006) - Progress Report 
• Water Pollution Studies (2005) - Progress Report
• Zinc Toxicity to the Mottled Sculpin In High-Hardness Water (2004) 
• Water Pollution Studies (2004) - Progress Report 
• Water Pollution Studies (2003) - Progress Report
• Water Pollution Studies (2002) - Progress Report
• Acute and Chronic Toxicity of Zinc to the Mottled Sculpin (2001) 
• Water Pollution Studies (2001) - Progress Report
• Water Pollution Studies (2000) - Progress Report
• Water Pollution Studies (1999) - Progress Report
• Identification of gas supersaturation sources in the Upper Colorado River, USA (1999)

West Slope Three Species Investigations

• Three-Species (March 2021) - 2020 Progress Report 
• Species composition and hybridization among native and nonnative catostomid fishes in two streams of the Gunnison River basin, Colorado (March 2020)
• Three-Species Research Project Summary (Febuary 2020) - 2019 Progress Report
• Present Distribution of Three Colorado River Basin Native Non-game Fishes and Their Use of Tributaries (August 2019)
• Temperature – Not Flow – Predicts Native Fish Reproduction with Implications for Climate Change (January 2019)
• An Intermittent Stream Supports Extensive Spawning of Large-River Native Fishes (December 2018)
• Inconsistent reproductive isolation revealed by interactions between Catostomus fish species (November 2017)
• Short-term Passive Integrated Transponder tag retention in wild populations of Bluehead and Flannelmouth suckers (April 2017)
• Flannelmouth and Bluehead Sucker tributary use in the upper White River Drainage (June 2017)
• Three Species Investigations (May 2017) - Job Progress Report
• Movement patterns, reproduction, and potential impacts of climate change on three native fishes in the upper White River drainage, Colorado (2015)
• Three Species Investigations (March 2014) - Job Progress Report 

Whirling Disease

• Fishery Management Interventions to Eliminate Myxobolus cerebralis Infections in Lower Square Top Lake (2013)
• Fishery Management Interventions to Eliminate Myxobolus cerebralis Infections in Placer Creek (2013)
• ​Fishery Management Interventions to Reduce Myxobolus cerebra lis Infections in Fish Ponds on the Cap K Ranch (2013)
• Evaluation of Small-scale Habitat Manipulation to Reduce the Impact of the Whirling Disease Parasite in streams (2011) 
• Whirling Disease Investigations (May 2010) - Job Progress Report 
• Whirling Disease Investigations (June 2009) - Job Progress Report 
• Whirling Disease Investigations (July 2008) - Job Progress Report
• Whirling Disease/Habitat Interactions (July 2008) - Job Progress Report
• Whirling Disease Investigations (June 2007) - Job Progress Report
• Whirling Disease/Habitat Interactions (June 2007) - Job Progress Report
• Use of Site Occupancy Models to Estimate Prevalence of Myxobolus cerebralis Infection in Trout (2007)
• Whirling Disease Investigations (June 2006) - Job Progress Report
• Whirling Disease/Habitat Interactions (June 2006) - Job Progress Report
• 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 (December 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 (June 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 (June 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 (January 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 (July 2021) 

​History and Outcomes of Opossum Shrimp Introductions in Colorado (August 2021) ​​​

Observations of Parasites of the Fishes of Colorado (July 2020)

​Upper Arkansas River Habitat Restoration Project (March 2017)