Theresa Thom, PhD Updated:12/2020

Aquatic invasive species (AIS) (sometimes called exotic, invasive, nonindigenous or non-native) are aquatic organisms that invade ecosystems beyond their natural, historic range. Their presence may harm native ecosystems or commercial, agricultural, or recreational activities dependent on these ecosystems. They may even harm our health.

Contact Theresa Thom, PhD

REMINDER: This listing is a free service of OregonLandCAN.
Theresa Thom, PhD is not employed by or affiliated with the Oregon Land Conservation Assistance Network, and the Network does not certify or guarantee their services. The reader must perform their own due diligence and use their own judgment in the selection of any professional.


Contact Theresa Thom, PhD

U.S. Fish and Wildlife Service - Pacific Region
Regional AIS Coordinator
911 Ne 11th Avenue
Portland, OR  97232-4181
Phone: (503) 736-4722
Fax: (503) 231-2062

Service Area

Statewide service provider in:
  • California
  • Hawaii
  • Idaho
  • Nevada
  • Oregon
  • Washington