Myocastor coypus
Myocastor coypus

Impact ID3351
Impact TypeHabitat Alteration
Study TypeObservational
Study LocationField
Impact DescriptionDamage occurred to nearly every crop grown in the area including alfalfa, grass seed, wheat, barley, oats, field corn, sweet corn, carrots, table beets, cauliflower, cucumbers, melons and sugar beets. Nutria (Myocastor coypus) also girdled fruit trees, nut trees, deciduous forest trees and occasionally conifers. Even Oregon oak, Quercus garryana, generally shunned for food even by beaver, was girdled where it occurred along stream courses.
Great Lakes RegionNo

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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/25/2024].

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