Category Archives: Uncategorized

Scientific Meetings

With the end of summer, project scientists have turned some of their attention to analyzing data and presenting results at scientific meetings.  Scientific meetings add to the depth and rigor of our science.  One of the most important functions of … Continue reading

Posted in Uncategorized |

Accessing the Big Muddy

There’s a lot of water in the Missouri River Basin this spring.  This is a great opportunity to see how high flows affect Pallid Sturgeon movement and behavior.  In order to do that, we first need to get on the river, … Continue reading

Posted in Uncategorized |

Happy Mother’s Day!

As many mother’s spend time with their children and grandchildren on May 8, scientists with the Comprehensive Sturgeon Research Project (CSRP) are following some future mothers swimming their hearts. These moms-to-be are dedicated to finding the best place to ensure a good … Continue reading

Posted in Uncategorized |

GeoWorld Recognizes Sturgeon Information Management System!

Keeping track of multiple field crews, hundreds of fish, countless search efforts, and thousands of river miles tracked is possible thanks to the Sturgeon Information Management System, or SIMS.  Not just a database, the SIMS framework also facilitates mobile mapping and electronic data … Continue reading

Posted in Uncategorized |

Trotlines and DIDSON find Pallid Sturgeon in the Osage River at Lock and Dam 1

As long-term telemetry efforts continue in the Lower Missouri River, observations of repeated patterns of migration, site fidelity, and tributary use are more common.  The relative value of tributaries to the recovery of the species is as yet unknown.  Telemetered … Continue reading

Posted in Uncategorized |

Cold, wet weather influences fish … and biologists

Severe weather rocked the United States the last two weeks creating tornadoes in the Southeast, thunderstorms in the Midwest, and snow in Nebraska.  This didn’t stop the field work.  In fact, the fishing seemed to improve as severe weather moved … Continue reading

Posted in Uncategorized |

Better Late than Never

A reproductive female pallid sturgeon was reeled in on a trotline near Columbia, MO on Friday, April 15. She was implanted with a telemetry transmitter and given the “name” PLS11-008.  She weighed 2.30 kg (5 lbs) and had a firm belly … Continue reading

Posted in Uncategorized |

Where did she go?

Female pallid sturgeon PLS07-001 was initially implanted with telemetry devices in the spring of 2007 near river mile 670, about 35 miles upstream from Omaha, NE.  Five years of her travels are shown on the graph below.  In the spring … Continue reading

Posted in Uncategorized |

Harbingers of Spawning

Red Buds blooming … check. Cottonwood leaves out … check. Water temperatures rising … YIKES! Past research has shown that reproductive pallid sturgeon migrate upstream when water temperatures are around 15°C (59°F) and they spawn when water temperatures are around … Continue reading

Posted in Uncategorized |

Bloody business

A blood sample is collected from every fish that is implanted with a telemetry transmitter. Blood hormone analysis determines estrogen and testosterone levels indicating if the fish is male or female, and if it is reproductive.  Analyses of hundreds of such blood samples has … Continue reading

Posted in Uncategorized |