Cathy Richter PhD

A
- Allert, Ann
- Alvarez, David, PhD, Leader, Passive Sampling
- Annis, Mandy
- Arms, Jesse
- Audsley, Marjorie
B
- Bazzetta, Laura, , Student Trainee
- Beahan, Erinn, ASRC
- Berkley, Steve
- Besser, John, PhD
- Biedenbach, James
- Bly, William
- Braaten, Pat, PhD, Research Fish Biologist
- Brumbaugh, William, PhD
- Brunson, Eric
- Bryan, Janice, , Biologist
- Buckler, Denny, PhD, Volunteer
- Buckler, Justin, Volunteer
- Buhl, Kevin, Station Leader
- Buitink, Lori
- Byrd, Curt, , Biological Technician
C
- Calfee, Robin
- Candrl, James
- Carr, Scott, Ph.D., Station Leader
- Castillo, Aaron, , Biological Science Aide
- Chapman, Duane, , Research Fish Biologist
- Chojnacki, Kim, , Biologist
- Clark, Randal
- Claunch, Rachel, ASRC
- Cleveland, Laverne, Branch Chief, Field Station Research
- Colón, Dana, ASRC
- Combs, Dave, ASRC, Biologist II
- Consbrock, Rebecca
- Counihan, Jessica, ASRC
- Cranor, Walter
- Cruise, Doug
- Culley, Stephen, Facilities Manager
D
- Davenport, Sabrina, ASRC, Biologist II
- DeLonay, Aaron, , Ecologist
- Denman, Diana L
- Deters, Joe, , ASRC, Biologist II
- Dey, Rima
E
- Earl, Julia, Volunteer
- Echols, Kathy, PhD, Leader, Environmental Forensics
- Elliott, Carrie, , Hydrologist
- Erhunse, Adesuwa
- Espejo, Raissa, ASRC
F
- Fairchild, James, Leader, Ecology: Communities
- Farag, Aïda, PhD, Station Leader
- Farley, Lawrence
- Feltz, Kevin
- Finger, Susan, Program Coordinator
G
- Gale, Robert, PhD, Leader, Chemical Fate and Dynamics
- George, Amy, , Biological Science Technician
- Gladish, Dan, RWO, Student
- Grabner, Keith
- Grandi, Ron, ASRC
- Guilford, Sam, , Biological Science Aide
H
- Haley,, Jeremy, ASRC
- Hall, Quentin A
- Hardesty, Doug
- Harper, David
- Heine, Paul, Safety Officer
- Helming, Joe, , Biological Science Aide
- Henke, Christopher E
- Heuser, Jeanne L
- Hinck, Jo Ellen
- Hooper, Michael, PhD, Leader, Restoration Ecology
- Huckins, Jim, Volunteer
- Hughes, James
- Huhmann, Brittany, , Student Trainee
I
- Ingersoll, Chris, PhD, Branch Chief, Toxicology
- Ivey, Chris
J
- Jacobson, Robert, PhD, Branch Chief, River Studies
- Johnson, Lynne, ASRC
- Jones, Susan B, PhD, Volunteer
- Jorgenson, Zachary, ASRC
K
- Kemble, Nile
- King Jr, Richard L
- Kivett, Randy
- Korschgen, Carl, PhD, Volunteer
- Kunz, Emily, ASRC, Biologist I
- Kunz, James
L
- Linder, Greg, PhD
- Lipkin, Robin, ASRC
- Little, Ed, PhD, Branch Chief, Ecology
- Lund, Dane
M
- Mac, Michael J, PhD, Center Director
- Maschmann, Jenna D
- May, Thomas, Leader, Toxic Elements
- McElroy, Brandon
- Meadows, John
- Melton, Vanessa, ASRC
- Miao, Jingjing
- Miller, Monica
- Mwangi, Joseph, Volunteer
N
- Nelson, Marcia K, Outreach Coordinator
- Nichols, Jamaca R
- Nicks, Diane
- Niebruegge, Roger
O
- Oh, Jeong-Eun, PhD
- Olson, Steve
- Orazio, Carl E, PhD, Branch Chief, Environmental Chemistry
P
- Papoulias, Diana, PhD
- Perkins, Stephanie
- Peterman, Paul
- Pope, Marie, Volunteer
- Porter, Jermyn, ASRC, Biologist II
- Poulton, Barry, PhD, Research Ecologist
- Pree, Krystal
Q
- Quade, Jamie, Administrative Officer
R
- Richter, Cathy, PhD
S
- Sappington, Linda C, ASRC
- Schaeffer, Travis W
- Schmitt, Christopher
- Schrautemeier, Tim
- Schroeder, Vickie, ASRC
- Schwartz, Ted, Branch Chief, Information Technology
- Scott, Thomas
- Sime, Evelyn Coleman
- Singer, Kyle, ASRC, Biologist I
- Skoruppa, Mary Kay
- Stefanov, Jennifer, Volunteer
- Stroh, Esther D, PhD
- Struckhoff, Matthew
- Sun, Rui, ASRC
T
- Tanner, Mike
- Tegerdine, George
- Thorsby, Roy, , Hydrologic Technician
- Tillitt, Donald, PhD, Branch Chief, Biochemistry/Physiology
- Tillitt, Robin
- Towns-Campbell, Julia, Librarian
- Tracy, Lisa
- Troutt, Eric, ASRC, Biologist I
V
- Velez, Vanessa
- Vishy, Chad, ASRC, Biologist II
W
- Walther, Michael James
- Wang, Ning, PhD
- Warbritton, Ryan, Aquatic Animal Welfare and Culture
- Whites, David
- Wildhaber, Mark, PhD, Research Ecologist
- Williams, Bethany, PhD
- Wilson, Beth
- Witte, Chris, ASRC, Biologist I
- Woodin, Marc, PhD, Station Leader
- Wright-Osment, Maureen, ASRC
- Wu, Guohui
Z
- Zajicek, James

Michael J Mac PhD, Center Director
- Denny Buckler PhD, Volunteer
- Laverne Cleveland Branch Chief, Field Station Research
  - Kevin Buhl Station Leader
    - Evelyn Coleman Sime
    - Ron Grandi ASRC
    - Zachary Jorgenson ASRC
    - Travis W Schaeffer
  - Scott Carr Ph.D., Station Leader
    - James Biedenbach
  - Aïda Farag PhD, Station Leader
    - David Harper
  - Marc Woodin PhD, Station Leader
    - Mary Kay Skoruppa
- Susan Finger Program Coordinator
  - Linda C Sappington ASRC
- Jeanne L Heuser
- Chris Ingersoll PhD, Branch Chief, Toxicology
  - Steve Berkley
  - John Besser PhD
  - Eric Brunson
  - Rebecca Consbrock
  - Doug Hardesty
  - James Hughes
  - Chris Ivey
  - Nile Kemble
  - James Kunz
  - Jingjing Miao
  - Joseph Mwangi Volunteer
  - Ning Wang PhD
  - Ryan Warbritton Aquatic Animal Welfare and Culture
  - David Whites
- Robert Jacobson PhD, Branch Chief, River Studies
  - Laura Bazzetta , Student Trainee
  - Pat Braaten PhD, Research Fish Biologist
  - Duane Chapman , Research Fish Biologist
    - Joe Deters , ASRC, Biologist II
    - Jeremy Haley, ASRC
    - Curt Byrd , Biological Technician
  - Aaron DeLonay , Ecologist
    - Aaron Castillo , Biological Science Aide
    - Kim Chojnacki , Biologist
    - Dave Combs ASRC, Biologist II
    - Sabrina Davenport ASRC, Biologist II
    - Amy George , Biological Science Technician
    - Sam Guilford , Biological Science Aide
    - Joe Helming , Biological Science Aide
    - Emily Kunz ASRC, Biologist I
    - Jermyn Porter ASRC, Biologist II
    - Kyle Singer ASRC, Biologist I
    - Eric Troutt ASRC, Biologist I
    - Chad Vishy ASRC, Biologist II
  - Carrie Elliott , Hydrologist
  - Brittany Huhmann , Student Trainee
  - Carl Korschgen PhD, Volunteer
  - Brandon McElroy
  - Barry Poulton PhD, Research Ecologist
  - Roy Thorsby , Hydrologic Technician
  - Mark Wildhaber PhD, Research Ecologist
    - Janice Bryan , Biologist
    - Rima Dey
    - Dan Gladish RWO, Student
    - Chris Witte ASRC, Biologist I
    - Guohui Wu
    - Tim Schrautemeier
    - Jenna D Maschmann
    - Quentin A Hall
- Susan B Jones PhD, Volunteer
- Ed Little PhD, Branch Chief, Ecology
  - Erinn Beahan ASRC
  - Robin Calfee
  - Michael Hooper PhD, Leader, Restoration Ecology
  - Jessica Counihan ASRC
  - Greg Linder PhD
  - Krystal Pree
  - Robin Tillitt
  - Bethany Williams PhD
  - James Fairchild Leader, Ecology: Communities
    - Ann Allert
    - Julia Earl Volunteer
    - Raissa Espejo ASRC
    - Keith Grabner
    - Lynne Johnson ASRC
    - Steve Olson
    - Christopher Schmitt
    - Esther D Stroh PhD
    - Matthew Struckhoff
- Marcia K Nelson Outreach Coordinator
- Carl E Orazio PhD, Branch Chief, Environmental Chemistry
  - Jim Huckins Volunteer
  - Kathy Echols PhD, Leader, Environmental Forensics
    - Kevin Feltz
    - Paul Peterman
  - David Alvarez PhD, Leader, Passive Sampling
    - Randal Clark
    - Walter Cranor
    - Adesuwa Erhunse
    - Jeong-Eun Oh PhD
    - Stephanie Perkins
    - Vickie Schroeder ASRC
  - Robert Gale PhD, Leader, Chemical Fate and Dynamics
    - John Meadows
    - Mike Tanner
    - George Tegerdine
  - Thomas May Leader, Toxic Elements
    - Jesse Arms
    - William Brumbaugh PhD
      - Rui Sun ASRC
    - Dane Lund
    - Vanessa Melton ASRC
    - Michael James Walther
- Jamie Quade Administrative Officer
  - Paul Heine Safety Officer
  - Richard L King Jr
  - Monica Miller
  - Jamaca R Nichols
  - Beth Wilson
  - Lori Buitink
    - Dana Colón ASRC
  - Stephen Culley Facilities Manager
    - William Bly
    - Lawrence Farley
    - Randy Kivett
    - Roger Niebruegge
  - Diana L Denman
- Ted Schwartz Branch Chief, Information Technology
  - Christopher E Henke
  - Marjorie Audsley
  - Doug Cruise
  - Robin Lipkin ASRC
  - Julia Towns-Campbell Librarian
- Thomas Scott
- Donald Tillitt PhD, Branch Chief, Biochemistry/Physiology
  - Mandy Annis
  - Justin Buckler Volunteer
  - James Candrl
  - Rachel Claunch ASRC
  - Jo Ellen Hinck
  - Diane Nicks
  - Diana Papoulias PhD
  - Marie Pope Volunteer
  - Cathy Richter PhD
  - Jennifer Stefanov Volunteer
  - Lisa Tracy
  - Vanessa Velez
  - Maureen Wright-Osment ASRC
  - James Zajicek

Cathy Richter PhD

Appointment Type:	Term
Staff Type:	Center Staff
Duty Station:	Columbia Environmental Research Center
Job Title:	Research Molecular Biologist
Email:	crichter@usgs.gov
Phone:	(573) 876-1841
Fax:	(573) 876-1896
URL:	http://www.cerc.usgs.gov/Staff.aspx?StaffId=333

Branches

Biochemistry / Physiology

Current Research Projects

CERC Publications

The genomic transcriptional response of female fathead minnows (Pimephales promelas) to an acute exposure to the androgen, 17ß-trenbolone (91588)

Dorts, J., Richter, C.A., Wright-Osment, M.K., Ellersieck, M.R., Carter, B.J. and Tillitt, D.E. 2009. The genomic transcriptional response of female fathead minnows (Pimephales promelas) to an acute exposure to the androgen, 17β-trenbolone Aquatic Toxicology, 91(1): 44-53.
In Vivo Health Effects of Bisphenol A

N/A, 2009, In Vivo Health Effects of Bisphenol A
Dreissenid mussels from the Great Lakes contain elevated thiaminase activity (91657)

Tillitt, D.E., Riley, S.C., Evans, A.N., Nichols, S.J., Zajicek, J.L., Rinchard, J., Richter, C.A. and Krueger, C.C. 2009. Dreissenid mussels from the Great Lakes contain elevated thiaminase activity. Journal of Great Lakes Research, 35(2): 309-312.