GLIFWC Buffalo Reef and Stamp Sands Substrate Mapping Project

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GLIFWC Buffalo Reef and Stamp Sands Substrate
Mapping Project
Esteban Chiriboga Great Lakes Indian Fish and
Wildlife Commission Madison, WI
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GLIFWC Member Tribes Participating in Lake
Superior Management
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Tribal Commercial Fishery
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Traverse River Entry
Southwest of Entry
Northeast of Entry
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• Remote Sensing Equipment
• Knudsen 320M Sounder equipped with dual 50 kHz
  and 200 kHz in hull transducer.
• Two RoxAnn units receive the echoes from the
  sounder.
• NovAtel OEM4 GPS unit was used to track
  positional accuracy.
• Ground Truth Equipment
• Underwater Video was recorded with an auto-iris
  underwater camera.
• Sediment samples are collected with a Shipek or
  mini-ponar sampler from
• acoustic classes of sediment.

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Buffalo Reef Bedrock and Fractured Bedrock
Substrate
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Cobble Pavement or With Sand Substrate
Cobble With Voids Substrate
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Compact Sand Substrate Possible Stamp Sand
Re-Worked Sand Substrate
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Remaining Tasks -Create GIS combination
maps. -Create 3 dimensional views and thematic
maps. -Incorporate sediment sampling
data. -Incorporate Keweenaw Bay
data. -Distribute results of the project.
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Acknowledgements Hans Biberhofer, Project
Leader NWRI
Bill Mattes, Great Lakes Biologist GLIFWC
Funding provided by a grant from the United
States Environmental Protection Agency
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