Field Survey Resources

GLEC owns and operates a wide array of boats, vehicles and field equipment to support environmental/ecological surveys, monitoring and assessments. Our extensive inventory and full ownership of all assets assures availability for rapid response/quick turnaround client monitoring and assessment projects. Clients can also count on GLEC’s seasoned field staff to provide consistent and safe operation of field resources.

Great Lakes Capable Research Vessels

25 foot Donzi, Twin 150 hp Outboards, Trailer
22 foot Hewescraft Ocean Pro, 225 hp Outboard, Trailer
23 foot Allweld, 150 hp Outboard, Trailer

Electrofishing Boats and Equipment

16 foot Boat, Outboard and Trailer
14 foot Boat, Outboard and Trailer
12 foot Boat, Outboard and Trailer
Three Tote Barges for Stream Electrofishing
Two Back-Pack Electrofishing Units

General Purpose Research Craft

22 foot Pontoon Work Boat, Trailer
18 foot Jon Boat, Outboard and Trailer
Two 17 foot Jon Boats, Outboards and Trailers
16 foot Jon Boat, Outboard and Trailer
14 foot Jon Boat, Outboard and Trailer
Four Inflatable Boats with Outboards
Non-Motorized Boats and Canoes

Sediment Sampling Boat and Equipment

25 foot Sediment Coring Boat, Crane Deployable
Amphibious Tracked Vehicle and Jon Boat Deployed Wetland Coring Units
Aluminum Wetland Tripod with Power Winch Attachment
Three Drivecore Pneumatic Sediment Coring Systems (3" & 4" Tubes)
345-pound Pneumatic Vibracore Unit, 14,000 Vibrations per Minute  
K/B Sediment Core Samplers
GLEC Modified Sediment Core Samplers
GLEW Sediment Core Samplers
Gravity Core Samplers
Standard and Petite Ponar Dredges
Eckman Dredge
Hand-held Core Samplers

Field Survey Equipment

Sontek M-9 HydroSurveyor Acoustic Doppler Current Profiler
Six YSI Multiparameter Sondes with 50-meter Cables
Four Long-Term Deployable Multiparameter Sondes
Six Field Data Collection Computer Tablets
Underwater Camera
Multi-Parameter Water Quality Meters 
Dissolved Oxygen Meters
Conductivity/pH Meters
Continuous Temperature Recording Devices
Flow Meters
Tipping/Recording Rain Gauges
Peristaltic Pumps
Water Level Probes
GPS Units
Refrigerated Auto Samplers
Auto Samplers
Various Water Samplers: Kemmerer, Beta, van Dorn, Heston
Chlorophyll Samplers
Plankton Nets
Ponar Dredges
Gill Nets/Hoop Nets/Seines


Five Full Size Four Wheel Drive Pick-Up Trucks
Two Cargo Utility Vans
Two Sport Utility Vehicles
4-Wheel Drive All-Terrain Vehicle
ARGO Amphibious Tracked ATV

Field Services



Dennis McCauley

Senior Environmental Scientist
Phone: 231-525-0493


GLEC operates one of only a few U.S. laboratories accredited for whole sediment toxicity testing.
GLEC also maintains NELAP accreditation for chlorophyll and nutrient chemistry testing.

AR Dept of Energy and Environment Logo

GLEC's Columbus, OH laboratory is accredited by the Arkansas Department of Energy & Environment for Acute Toxicity and Chronic Toxicity testing.



Great Lakes Environmental Center

739 Hastings Street
Traverse City, MI   49686

Phone: (231) 941-2230
Fax: (231) 941-2240