Tag: invasive species

  • It’s Elementary My Dear Walleye

    By George Whitman, who is dressed as Dr. John Watson this Halloween While this Sherlockian mystery is fictional, it is inspired by a real event in which a Walleye was illegally introduced into Lake Cascade, Idaho. The events described below parallel the actual research conducted to uncover its origins.  Looking back over the notes of…

  • Amazing Invader: American Shad

    By Peter Moyle The California Fish Commission introduced American Shad into California in 1871 via milk crates shipped on the newly built transcontinental railroad (Dill and Cordone 1997). Shad, apparently the first non-native fish species (of 50) to become established in the state, were so well suited to California that in a few years, shad…

  • Do largemouth bass like droughts?

    By Andrew L. Rypel “The Delta is full of species that thrive in the lakes in southern Arkansas” ~Bill Bennett by Andrew Rypel As we rapidly enter another drought, long-standing questions on ecological impacts of increased temperatures, reduced water levels and flows re-emerge. This reality recently reminded me of some of my own previous work…

  • Initial Sampling of the Carp-DEUM Project

    By Kim Luke, John Durand, Rachel McConnell, Aaron Sturtevant, Nina Suzuki, Andrew L. Rypel This spring, the Carp-Dependent Urgent Management (Carp-DEUM) Project began its first round of sampling in the UC Davis Arboretum before the Covid-19 lockdown. The project has two planned phases; a population estimate of common carp (and other arboretum fishes) in the…

  • Contemplating the Carp

    By Kim Luke and Brian Williamson The UC Davis Arboretum is a defining feature of the campus. Students, faculty, and ducks alike all enjoy the waterway that was once a part of Putah Creek. Many organisms call the Arboretum “home”, but one of recent interest is the non-native Common Carp (Cyprinus carpio). Originally native to…