CORE SERVICES
Fisheries & Aquatic Monitoring
Fish Relocation & Rescue
Construction Monitoring
Specialized Field Experience

Backpack electrofishing operations supporting culvert replacement, including fish salvage and relocation in compliance with environmental regulations.
Field crew: Douglas Parkinson (Lead Biologist); Brandon Parkinson (Electrofisher operator).

Backpack electrofishing in remote habitat on Lost Man Creek, Northern California—demonstrating field access and fish salvage operations in challenging terrain.
In photo: Tricia Parkinson Conway. Photo credit: Douglas Parkinson, Lead Fisheries Biologist, Douglas Parkinson & Associates (Arcata, California).

Larval amphibian encountered during fish salvage operations on Lost Man Creek, Northern California—carefully captured and relocated by hand to protect all aquatic species within the project area prior to construction.

Salmonid fry collected via electrofishing and netting during pre-construction fish salvage on Little Lost Man Creek, Northern California. All life stages are identified, handled with care, and relocated in accordance with environmental regulations.

Electrofishing crew conducting successive passes beneath a bridge culvert on Outlet Creek, Northern California—ensuring thorough fish salvage and relocation prior to construction.
Crew members: Brandon Parkinson (Electrofishing Operator), Earl Gonsolin (VP, Alluvion Biological Consulting), Tricia Parkinson Conway. Photo by Douglas Parkinson, Fisheries Biologist, Douglas Parkinson & Associates.

Preparing for another electrofishing pass at a culvert on Outlet Creek, Northern California. Projects like these bring together multiple agencies and field teams—working collaboratively to ensure environmental compliance and protection of aquatic resources during construction.
In photo: Brandon Parkinson (Electrofishing Operator); Douglas Parkinson (Fisheries Biologist, Douglas Parkinson & Assoc
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