Brent Knights (Former Employee)
Science and Products
Filter Total Items: 50
Mercury and water level management in lakes of northern Minnesota Mercury and water level management in lakes of northern Minnesota
Water level (WL) fluctuations substantially alter the fauna, flora, and microbial community of nearshore aquatic ecosystems. Water level management therefore has the potential to strongly influence a wide variety of ecosystem processes. Many northern temperate lake food webs experience substantial methylmercury contamination, which is partially mediated by the action of sulfate-reducing...
Authors
James H. Larson, Ryan P. Maki, Victoria Christensen, Enrika Hlavacek, Mark B. Sandheinrich, Jaime F. LeDuc, Claire Kissane, Brent C. Knights
USGS Illinois River Monitoring and Evaluation USGS Illinois River Monitoring and Evaluation
No abstract available.
Authors
Travis J. Harrison, Kevin D. Hop, Enrika Hlavacek, Brent C. Knights
USGS Telemetry Project USGS Telemetry Project
Telemetry of acoustically tagged bigheaded carp (i.e., bighead carp Hypophthalmichthys nobilis and silver carp H. molitrix) and surrogate fish species has become an invaluable tool in management for these species in the upper Illinois Waterway Systems (i.e., upper Illinois River, lower Des Plaines River, and Chicago Area Waterway System). For example, movement probabilities between...
Authors
Brent C. Knights, Marybeth K. Brey, Jessica C. Stanton, Travis J. Harrison, Douglas Appel, Enrika Hlavacek, James J. Duncker
Lock operations influence upstream passages of invasive and native fishes at a Mississippi River high-head dam Lock operations influence upstream passages of invasive and native fishes at a Mississippi River high-head dam
Asian carps continue to expand their range in North America, necessitating efforts to limit the spread and establishment of reproducing populations. Mississippi River Lock and Dam 19 is a high-head dam that represents a population ‘pinch-point’ as passage through the lock chamber is the only means by which fishes can complete upstream movement. As such, this location could be a pivotal...
Authors
Andrea K. Fritts, Brent C. Knights, Jessica C. Stanton, Amanda S. Milde, Jonathan M. Vallazza, Marybeth K. Brey, Sara J. Tripp, Thomas E. Devine, Wesley Sleeper, James T. Lamer, Kyle J. Mosel
USGS Illinois River monitoring and evaluation USGS Illinois River monitoring and evaluation
Asian carp monitoring and contract removal will continue throughout the Upper Illinois Waterway system as needed for adaptive management to mitigate, control, and contain Asian carp. Compiling data from monitoring and removal efforts into a centralized database (Illinois River Catch Database application) facilitates data standardization, quality, accessibility, sharing, and analysis to...
Authors
Travis J. Harrison, Kevin D. Hop, Enrika Hlavacek, Brent C. Knights
USGS telemetry database and analyses in support of SEAcarP USGS telemetry database and analyses in support of SEAcarP
No abstract available.
Authors
Brent C. Knights, Marybeth K. Brey, Jessica C. Stanton, Travis J. Harrison, Timothy J. Fox, Enrika Hlavacek, James J. Duncker
Science and Products
Filter Total Items: 50
Mercury and water level management in lakes of northern Minnesota Mercury and water level management in lakes of northern Minnesota
Water level (WL) fluctuations substantially alter the fauna, flora, and microbial community of nearshore aquatic ecosystems. Water level management therefore has the potential to strongly influence a wide variety of ecosystem processes. Many northern temperate lake food webs experience substantial methylmercury contamination, which is partially mediated by the action of sulfate-reducing...
Authors
James H. Larson, Ryan P. Maki, Victoria Christensen, Enrika Hlavacek, Mark B. Sandheinrich, Jaime F. LeDuc, Claire Kissane, Brent C. Knights
USGS Illinois River Monitoring and Evaluation USGS Illinois River Monitoring and Evaluation
No abstract available.
Authors
Travis J. Harrison, Kevin D. Hop, Enrika Hlavacek, Brent C. Knights
USGS Telemetry Project USGS Telemetry Project
Telemetry of acoustically tagged bigheaded carp (i.e., bighead carp Hypophthalmichthys nobilis and silver carp H. molitrix) and surrogate fish species has become an invaluable tool in management for these species in the upper Illinois Waterway Systems (i.e., upper Illinois River, lower Des Plaines River, and Chicago Area Waterway System). For example, movement probabilities between...
Authors
Brent C. Knights, Marybeth K. Brey, Jessica C. Stanton, Travis J. Harrison, Douglas Appel, Enrika Hlavacek, James J. Duncker
Lock operations influence upstream passages of invasive and native fishes at a Mississippi River high-head dam Lock operations influence upstream passages of invasive and native fishes at a Mississippi River high-head dam
Asian carps continue to expand their range in North America, necessitating efforts to limit the spread and establishment of reproducing populations. Mississippi River Lock and Dam 19 is a high-head dam that represents a population ‘pinch-point’ as passage through the lock chamber is the only means by which fishes can complete upstream movement. As such, this location could be a pivotal...
Authors
Andrea K. Fritts, Brent C. Knights, Jessica C. Stanton, Amanda S. Milde, Jonathan M. Vallazza, Marybeth K. Brey, Sara J. Tripp, Thomas E. Devine, Wesley Sleeper, James T. Lamer, Kyle J. Mosel
USGS Illinois River monitoring and evaluation USGS Illinois River monitoring and evaluation
Asian carp monitoring and contract removal will continue throughout the Upper Illinois Waterway system as needed for adaptive management to mitigate, control, and contain Asian carp. Compiling data from monitoring and removal efforts into a centralized database (Illinois River Catch Database application) facilitates data standardization, quality, accessibility, sharing, and analysis to...
Authors
Travis J. Harrison, Kevin D. Hop, Enrika Hlavacek, Brent C. Knights
USGS telemetry database and analyses in support of SEAcarP USGS telemetry database and analyses in support of SEAcarP
No abstract available.
Authors
Brent C. Knights, Marybeth K. Brey, Jessica C. Stanton, Travis J. Harrison, Timothy J. Fox, Enrika Hlavacek, James J. Duncker