Kevin Buhl
Science and Products
Ecological requirements for pallid sturgeon reproduction and recruitment in the Missouri River—Annual report 2014
The Comprehensive Sturgeon Research Project is a multiyear, multiagency collaborative research framework developed to provide information to support pallid sturgeon recovery and Missouri River management decisions. The project strategy integrates field and laboratory studies of sturgeon reproductive ecology, early life history, habitat...
Delonay, Aaron J.; Chojnacki, Kimberly A.; Jacobson, Robert B.; Braaten, Patrick J.; Buhl, Kevin J.; Elliott, Caroline M.; Erwin, Susannah O.; Faulkner, Jacob D.A.; Candrl, James S.; Fuller, David B.; Backes, Kenneth M.; Haddix, Tyler M.; Rugg, Matthew L.; Wesolek, Christopher J.; Eder, Brandon L.; Mestl, Gerald E.
Ecological requirements for pallid sturgeon reproduction and recruitment in the Missouri River—Annual report 2013
The Comprehensive Sturgeon Research Project is a multiyear, multiagency collaborative research framework developed to provide information to support pallid sturgeon recovery and Missouri River management decisions. The project strategy integrates field and laboratory studies of pallid sturgeon reproductive ecology, early life history, habitat...
Delonay, Aaron J.; Jacobson, Robert B.; Chojnacki, Kimberly A.; Braaten, Patrick J.; Buhl, Kevin J.; Eder, Brandon L; Elliott, Caroline M.; Erwin, Susannah O.; Fuller, David B.; Haddix, Tyler M.; Ladd, Hallie L.A.; Mestl, Gerald E.; Papoulias, Diana M.; Rhoten, Jason C.; Wesolek, Christopher J.; Wildhaber, Mark L.
Do laboratory species protect endangered species? Interspecies variation in responses to 17β-estradiol, a model endocrine active compound
Although the effects of estrogens on model laboratory species are well documented, their utility as surrogates for other species, including those listed as endangered, are less clear. Traditionally, conservation policies are evaluated based on model organism responses but are intended to protect all species in an environment. We tested the...
Jorgenson, Zachary G.; Buhl, Kevin J.; Bartell, Stephen E.; Schoenfuss, Heiko L. Ammonia causes decreased brain monoamines in fathead minnows (Pimephales promelas)
Hyperammonemia, arising from variety of disorders, leads to severe neurological dysfunction. The mechanisms of ammonia toxicity in brain are not completely understood. This study investigated the effects of ammonia on monoaminergic systems in brains of fathead minnows (Pimephales promelas). Fish serve as a good model system to investigate...
Ronan, Patrick J.; Gaikowski, Mark P.; Hamilton, Steven J.; Buhl, Kevin J.; Summers, Cliff H. Reduced growth and survival of larval razorback sucker fed selenium-laden zooplankton
Four groups of larval razorback sucker, an endangered fish, were exposed to selenium-laden zooplankton and survival, growth, and whole-body residues were measured. Studies were conducted with 5, 10, 24, and 28-day-old larvae fed zooplankton collected from six sites adjacent to the Green River, Utah. Water where zooplankton were collected had...
Hamilton, Steven J.; Buhl, Kevin J.; Bullard, Fern A.; McDonald, Susan Selenium impacts on razorback sucker, Colorado: Colorado River: III. Larvae
Razorback sucker (Xyrauchen texanus) larvae from adults exposed to selenium at three sites near Grand Junction, Colorado, for 9 months were used in a 30-day waterborne and dietary selenium study. Selenium concentrations in water averaged <1.6 μg/L from 24-Road, 0.9 μg/L from Horsethief, 5.5 μg/L from Adobe Creek, and 10.7 μg...
Hamilton, Steven J.; Holley, Kathy M.; Buhl, Kevin J.; Bullard, Fern A. Toxicity of selenium and other elements in food organisms to razorback sucker larvae
Elevated selenium concentrations documented in water, sediment, and biota in irrigation drain water studies by U.S. Department of the Interior agencies and academia have raised concerns that selenium may be adversely affecting endangered fish in the upper Colorado River basin. The objective of the study was to determine the effects on endangered...
Hamilton, Steven J.; Holley, Kathy M.; Buhl, Kevin J.; Bullard, Fern A.; Weston, L. Ken; McDonald, Susan F. Impact of selenium and other trace elements on the endangered adult razorback sucker
A study was conducted with endangered the razorback sucker (Xyrauchen texanus) to determine if environmental exposure to selenium in flooded bottomland sites affected survival, growth, and egg-hatching success. Adults were stocked at three sites adjacent to the Colorado River near Grand Junction, Colorado, in July 1996: hatchery ponds at...
Hamilton, Steven J.; Holley, Kathy M.; Buhl, Kevin J.; Bullard, Fern A.; Weston, L. Ken; McDonald, Susan F. Acute toxicity of fire-control chemicals, nitrogenous chemicals, and surfactants to rainbow trout
Laboratory studies were conducted to determine the acute toxicity of three ammonia-based fire retardants (Fire-Trol LCA-F, Fire-Trol LCM-R, and Phos-Chek 259F), five surfactant-based fire-suppressant foams (FireFoam 103B, FireFoam 104, Fire Quench, ForExpan S, and Pyrocap B-136), three nitrogenous chemicals (ammonia, nitrate, and nitrite), and two...
Buhl, Kevin J.; Hamilton, Steven J. Chronic toxicity and hazard assessment of an inorganic mixture simulating irrigation drainwater to razorback sucker and bonytail
We conducted two 90 day chronic toxicity studies with two endangered fish, razorback sucker and bonytail. Swim-up larvae were exposed in a reconstituted water simulating the middle Green River. The toxicant mixture simulated the environmental ratio and concentrations of inorganics reported in a Department of the Interior study for the mouth of...
Hamilton, Steven J.; Buhl, Kevin J.; Bullard, Fern A.; Little, Edward E. Acute toxicity of fire-retardant and foam-suppressant chemicals to early life stages of chinook salmon (Oncorhynchus tshawytscha)
Laboratorys studies were conducted to determine the acute toxicity of three fire retardants (Fire-Trol GTS-R, Fire-Trol LCG-R, and Phos-Chek D75-F), and two fire-suppressant foams (Phos-Chek WD-881 and Ansul Silv-Ex) to early life stages of chinook salmon, Oncorhynchus tshawytscha, in hard and soft water. Regardless of water type, swim-up fry and...
Buhl, Kevin J.; Hamilton, Steven J. Acute toxicity of fire-retardant and foam-suppressant chemicals to yalella azteca (Saussure)
Acute toxicity tests were conducted with Hyalella azteca Saussure (an amphipod) exposed in soft and hard waters to three fire retardants (Fire-Trol GTS-R, Fire-Trol LCG-R, and Phos-Chek D75-F) and two foam suppressants (Phos-Chek WD-881 and Silv-Ex). The chemicals were slightly to moderately toxic to amphipods. The most toxic chemical to amphipods...
McDonald, Susan F.; Hamilton, Steven J.; Buhl, Kevin J.; Heisinger, James F.