Tag: Telemetry
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Where the sturgeon go: how age-related differences in habitat use shape exposure of white sturgeon to population risks
By Jon Walter, Gabriel Singer, Scott Colborne, Andrew L. Rypel, and Erin Tracy . . . White sturgeon are a prominent member of the sturgeon family in North America. They are generally considered the largest fish found in North American freshwaters (up to 12 feet long) and are quite long-lived (reaching 100 years or more).…
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Green Sturgeon in California: Hidden Lives Revealed From Long-Term Tracking
By Scott F. Colborne, Lawrence W. Sheppard, Daniel R. O’Donnell, Daniel C. Reuman, Jonathan A. Walter, Gabriel P. Singer, John T. Kelly, Michael J. Thomas, and Andrew L. Rypel You gotta respect fishes that have been around since the dinosaurs, such as the 27 described sturgeon species. Unfortunately, the majority of these fishes currently face…
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Unlocking how juvenile Chinook salmon swim in California rivers
By Rusty C. Holleman, Nann A. Fangue, Edward S. Gross, Michael J. Thomas, and Andrew L. Rypel Despite years of study and thousands of research projects, some aspects of the biology of Chinook salmon remain altogether mysterious. One enduring question is how outmigrating salmon smolts behave and swim through our waterways to somehow find their…
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Science of an underdog: the improbable comeback of spring-run Chinook salmon in the San Joaquin River
By Andrew L. Rypel, Gabriel Singer, and Nann A. Fangue “You can’t design a worse evolutionary strategy for the Anthropocene” There are many variants on this quote, and we’ve heard them often in reference to the status of native fishes in California and other freshwater organisms worldwide. Indeed, the statement rings true for Pacific salmon,…