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Antelope-brush Ecosystems Schluter, Andrea
1995
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Abstract: In the warmest part of the south Okanagan Valley is a pocket of dry grassland dominated by bunchgrasses, the wind, and the scraggly dark branches of antelope-brush. The antelope-brush ecosystems of the south Okanagan weren’t extensive when European settlement began in the 1800s, and over the past century more than 60 percent of them have been destroyed and converted to vineyards, orchards, croplands, or urban residential and industrial areas. Much of the remainder has been disturbed and invaded by foreign plants such as knapweed and cheatgrass. Only 9 percent now remains relatively undisturbed. The most immediate danger facing this natural community is urban development. Gentle slopes, arid climate, and proximity to prime human habitats such as lake shores, towns and roads make development in this ecosystem very appealing. The antelope-brush ecosystem is poorly known, without the high public profile of an old-growth forest. In addition, grassland habitats are subtle in character, and changes may go unnoticed for a long time.
 
Schluter, Andrea, Lea, Ted; Cannings, Sydney; Krannitz, Pam. 1995. Antelope-brush Ecosystems. Ministry of Environment, Lands and Parks. Species At Risk brochure
 
Topic: Species and Ecosystems at Risk
Keywords: okanagan valley, antelope brush, ecosystem, endangered, at risk
ISSN:  Scientific Name: Purshia tridentata
ISBN: 0-7726-7545-7 English Name: Antelope-brush
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