2023
DOI: 10.1111/eff.12753
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Diets of invasive channel catfish are subsidized by invasive riparian trees

Christopher A. Cheek,
Brandon K. Peoples,
Reuben R. Goforth

Abstract: Russian olive (Elaeagnus angustifolia) is an invasive, fruit‐bearing riparian tree that dominates riparian zones of the San Juan River in the southwestern United States. Previous research in this river suggests olive fruit is common in diets of invasive channel catfish (Ictalurus punctatus), but its energetic importance is unknown (i.e. critical for catfish fitness vs. incidental consumption). We assessed Russian olive consumption in channel catfish diets bimonthly for 1 year, hypothesizing that olive consumpt… Show more

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