Author Archives: Kimberly Chojnacki

An Incredible Journey

By Kimberly Chojnacki and Aaron DeLonay The scientists of the Comprehensive Sturgeon Research Project (CSRP) have known that pallid sturgeon are quite capable of travelling long distances (see previous post “Long Distance Runner”).  Occasionally, we are reminded of the incredible … Continue reading

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Pallids in the Platte

By Kimberly Chojnacki, Justin Haas (Nebraska Game and Parks Commission), and Aaron DeLonay Comprehensive Sturgeon Research Project (CSRP) scientists have documented that some tributaries may have significant value to the endangered pallid sturgeon (see previous posts “Where Are You When … Continue reading

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Searching High and Low

By Casey Hickcox and Aaron DeLonay Each spring CSRP biologists evaluate their list of tagged fish and search the river for pallid sturgeon that are expected to spawn.  Because sturgeon do not reproduce every year there can be considerable variation … Continue reading

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We’ve Only Just Begun

After a long, cold winter, the Redbud and Dogwood trees are blooming and water temperatures are rising (Figure 1).  Spring seems to have finally sprung, and fish, and hopefully the endangered pallid sturgeon among them, will soon be spawning.  In … Continue reading

Posted in Early life history | Tagged |

A Kettle of Fish

In the late fall or at the end of winter of previous seasons, Comprehensive Sturgeon Research Project (CSRP) biologists would send boats out into the field to seek out a few, rare pallid sturgeon females to implant with transmitters in … Continue reading

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A Rocky Start

If asked to describe the first few weeks of a baby pallid sturgeon’s life in the Missouri River, most biologists will tell you the embryos attach to a hard surface, develop, hatch, and enter the fast-flowing water to drift downstream.  … Continue reading

Posted in Early life history |

Rain, Rain and More Rain

The 7-day precipitation forecast from the National Oceanic and Atmospheric Administration issued on May 27 showed local rainfall potential of approximately 5 inches for portions of north Missouri (figure 1).  Unfortunately, this forecast was relatively accurate and heavy rainfall swelled … Continue reading

Posted in Flooding |

Pallid Sturgeon MIA

 When reproductive pallid sturgeon go missing during spring spawning season CSRP biologists become quickly concerned as every day at large means a decrease in the probability of relocation prior to spawning.  Because reproductive pallid sturgeon have been observed to move … Continue reading

Posted in Telemetry tracking |

Across The River And Into The Trees

These weren’t just the last words of General Jackson in the Hemingway novel.  On Friday, April 12th, biologists located PLS11-004, a reproductive, female pallid sturgeon during her upstream migration, presumably to spawn.  In the morning PLS11-004 was observed crossing the … Continue reading

Posted in chute, Telemetry tracking |

The Gang of Eight

While we are far from Washington, DC, we have our own form of the bipartisan Gang of Eight; eight reproductive pallid sturgeon, fitted with radio telemetry tags, and ready to spawn this spring.  Four of these individual are currently located … Continue reading

Posted in Reproductive Female, Telemetry tracking |