Canyonlands National Park Nonnative Species

Non-native species are a problem throughout the American west, and Canyonlands is no exception. Several animal and plant infestations have significantly altered the area's ecology, disrupting food chains and nutrient cycles by out-competing native organisms in their own habitat. Non-native plants impacting Canyonlands include tamarisk (salt cedar), cheat grass, Russian knapweed and Russian olive. There are also 40 species of non-native fish living in the upper basin of the Colorado River, which includes Canyonlands. Two of these, carp and channel catfish, are the most commonly seen fish in the park. Non-native birds, such as starlings and English sparrows, typically inhabit urban areas and are not a problem in the park..Many scientific studies have been conducted to understand the impact of these species and, in some cases, to eradicate them. Thus far, success has been limited, and the issue of non-native species is likely to receive continued attention in the coming years.

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November's Featured Park
The North Cascades have long been known as the North American Alps. Characterized by rugged beauty, this steep mountain range is filled with jagged peaks, deep valleys, cascading waterfalls and glaciers. North Cascades National Park Service Complex contains the heart of this mountainous region in three park units which are all managed as one and include North Cascades National Park, Ross Lake and Lake Chelan National Recreation Areas.
November's Animal
Badgers are animals of open country. Their oval burrows (ten inches across and four to six inches high) are familiar features of grasslands on sandy or loamy soils of the eastern plains or shrub country in mountain parks or western valleys.
Currently Viewing Canyonlands National Park Nonnative Species