Amphibian Research 

• 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

Colorado River Aquatic Resources Investigations

• 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

• Lake and Reservoir Food Web Ecology (June 2012) - Annual Report
• SONAR Survey Report (February 2012) - Job Progress Report
• Coldwater Reservoir Ecology (May 2010) - Job Progress Report 
• A Compendum 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 (June 2009) - Job Progress Report (2.51MB) 
• Elemental signatures in otoliths of hatchery rainbow trout (Oncorhynchus mykiss): distinctiveness and utility for detecting origins and movement (March 2009)  
• Coldwater Reservoir Ecology (May 2008) - Job Progress Report
• Forensic Applications of Otolith Microchemistry For Tracking Sources of Illegally Stocked Whirling Disease Positive Trout (June 2007) - Final Report (1.4 MB) 
• Coldwater Reservoir Ecology (May 2007) - Job Progress Report
• Coldwater Reservoir Ecology (August 2006) - Job 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)
• 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
• 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/ Managaement Cooperation (October 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) - (1.2 MB)

Data Management

• Aquatic Data Analysis (August 2012) - Job Progress Report
• Aquatic Database (June 2011) - Job Progress Report
• Aquatic Data Analysis (May 2010) - Job Progress Report  
• Aquatic Data Analysis (June 2009) - Job Progress Report 
• Aquatic Data Analysis (July 2008) - Job Progress Report  
• Aquatic Data Analysis (June 2007) - Job Progress Report
• Aquatic Data Analysis (May 2006) - Job Progress Report

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.

Invasive Species

• Application of Household Disinfectants to Control New Zealand Mudsnails (August 2008)

Salmonid Disease Investigation

• Salmonid Disease Studies (July 2011) - Final Progress Report 
• Salmonid Disease Studies (June 2010) - Job Progress Report 
• Salmonid Disease Investigation (June 2009) - Job Progress Report (1.5MB) 
• Resistant Rainbow Trout in Colorado: Current Status and Uses (2009) - Research Summary  
• Salmonid Disease Investigation (July 2008) - Job Progress Report (5MB) 
• Salmonid Disease Investigation (June 2007) - Job Progress Report

Sportfish Studies

• Sportfish Research Studies (June 2012) - Job Progress Report

Stream Habitat Restoration

• Stream Habitat Investigations and Assistance (August 2012) - Job Progress Report 
• Stream Habitat Investigations and Assistance (November 2011) - Job Progress Report
• Stream Habitat Investigations and Assistance (September 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) (4.4 MB) 
• 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 (5 MB) 
• 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 Judgement Model to Assess Fish Habitat Suitability in Two Colorado Reservoirs (2003) - (1.7 MB) 
• 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) - (1 MB) 
• Evaluation of an Introduction of Colorado Squawfish in a Main Stem Impoundment on the White River, Colorado (December 1993) - (1 MB) 
• Fabrication of Stainless Steel Spherical Anodes for Use with Boat-Mounted Boom Electroshockers (1992) 
• White River Taylor Draw Project (June 1986) - (3.7 MB) 

Water Pollution Studies

• Water Pollution Studies (2012) - Job Progress Report
• Water Pollution Studies (2011) - Job Progress Report
• Water Pollution Studies (2010) - Job Progress Report 
• Water Pollution Studies (2009) - Job 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 (PDF)
• Water Pollution Studies (2008) - Job 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) - Job Progress Report
• Water Pollution Studies (2006) - Job Progress Report 
• Water Pollution Studies (2005) - Job Progress Report
• Zinc Toxicity to the Mottled Sculpin In High-Hardness Water (2004) 
• Water Pollution Studies (2004) - Job Progress Report 
• Water Pollution Studies (2003) - Job Progress Report
• Water Pollution Studies (2002) - Job Progress Report
• Acute and Chronic Toxicity of Zinc to the Mottled Sculpin (2001) 
• Water Pollution Studies (2001) - Job Progress Report
• Water Pollution Studies (2000) - Job Progress Report
• Water Pollution Studies (1999) - Job Progress Report
• Identification of gas supersaturation sources in the Upper Colorado River, USA (1999)

Whirling Disease

• 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 reation (PCR) and pepsin-trypsin digest (PTD) methods for dectection 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, Morbitdity, and Mortality of Fingerling Rainbow Trout Infected with Myxobolus cerebralis (1999)  

Whitefish Investigations

• Effects of Whirling Disease Exposure on Juvenile Mountain Whitefish (2010) (2MB)

For information on completed projects and past research, check the Archived Publications.