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Last updated on April 21, 2014 at 11:58 EDT

Latest Upekala Wijayratne Stories

2012-03-28 00:01:46

New research reveals Artemisia tridentata seeds can form a persistent seed bank, ensuring its survival in an invasive, fire-prone system Big sagebrush (Artemisia tridentata) is a key foundational species in an ecosystem that is threatened by invasion of cheatgrass and the subsequent increase in fire frequency. Critical to the conservation, reestablishment, and restoration of the sagebrush steppe ecosystem (which comprises 63 million hectares of the Great Basin of North America) is...