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Status And Management Of Non-Native Plant Invasion In Three Of The Largest National Parks In The United States, Scott R. Abella, Nicholas A. Fisichelli, Sarah M. Schmid, Teague M. Embrey, Debra Hughson, Jane Cipra
Status And Management Of Non-Native Plant Invasion In Three Of The Largest National Parks In The United States, Scott R. Abella, Nicholas A. Fisichelli, Sarah M. Schmid, Teague M. Embrey, Debra Hughson, Jane Cipra
Life Sciences Faculty Research
Globally, invasion by non-native plants threatens resources that nature reserves are designated to protect. We assessed the status of non-native plant invasion on 1,662, 0.1-ha plots in Death Valley National Park, Mojave National Preserve, and Lake Mead National Recreation Area. These parks comprise 2.5 million ha, 23% of the national park land in the contiguous USA. At least one non-native species inhabited 82% of plots. Thirty-one percent of plots contained one non-native species, 30% two, 17% three, and 4% four to ten non-native species. Red brome (Bromus rubens), an ‘ecosystem engineer’ that alters fire regimes, was most widespread, …