Category Archives: Technology

Models and baby fish – digits, dye, particles, and biological reality

By Robb Jacobson and Ed Bulliner The Upper Missouri River Pallid Sturgeon Drift Study is ultimately about providing sound scientific information for smart decisions. The decisions relate to how to manage this large river to help recover the endangered pallid … Continue reading

Posted in Early life history, Technology, Upper Missouri and Yellowstone Rivers |

Sturgeon biology and plumbing

By Robert Jacobson, Aaron DeLonay, Kimberly Chojnacki, and Casey Hickcox This spring, Columbia Environmental Research Center (CERC) scientists are conducting laboratory experiments to better understand how temperature affects early development of sturgeon species.  The emphasis is on quantifying development rates … Continue reading

Posted in Early life history, Pallid sturgeon, Reproductive Female, Spawning, Sturgeon culture and propagation, Technology | Tagged , , |

New shallow water surveying technology deployment at CERC

By Carrie Elliott, Robb Jacobson, Eric Allen, and Casey Hickcox This spring, experiments to observe shovelnose sturgeon spawning behavior have been ongoing in ponds at the Columbia Environmental Research Center. To characterize the depths and velocities in the experimental ponds, … Continue reading

Posted in Habitat mapping, Technology | Tagged , , |

Spreading the word on pallid sturgeon research

By Robert Jacobson, Kim Chojnacki, and Casey Hickcox Columbia Environmental Research Center (CERC) scientists took to the road in March to share some of the center’s work over the last year with the Missouri River Natural Resource Conference (MRNRC) in … Continue reading

Posted in Education, Habitat mapping, Technology |

The Sounds of Sturgeon Research

By Aaron DeLonay, Kimberly Chojnacki, and Casey Hickcox Recently, Comprehensive Sturgeon Research Project scientists documented a spawning event in the Yellowstone River when researchers followed a reproductive female sturgeon to a location where an aggregation of male sturgeon had been identified (See … Continue reading

Posted in Spawning, Technology, Telemetry tracking, Upper Missouri and Yellowstone Rivers | Tagged , , |

Mapping the Chutes

By Robert Jacobson and Casey Hickcox The presence of pallid sturgeon (Scaphirhynchus albus) on the Federal Endangered Species List generally boils down to their inability to reproduce in the wild. Scientists suspect shallow-water habitat lost when the Missouri River was … Continue reading

Posted in chute, Habitat mapping, Technology | Tagged , , , |

Sand-cam testing 1,2,3…..

With the water warming and the pallid sturgeon about to begin spawning migrations, scientists at the USGS Columbia Environmental Research Center are finishing preparations for deploying the underwater microscope (aka “sand-cam”).  As we mentioned a couple weeks ago, the “sand-cam” … Continue reading

Posted in Technology |