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Title
Climate and Fire in Sonoran Grassland and Desert Scrub.
Abstract
The article focuses on history of climate and fire in Sonoran Grassland and Desert Scrub. For purpose, sediments during summers of 2004 and 2005 from incised channel wall of Rio de San Bernardino arroyo and cienega surface of San Bernardino National Wildlife Refuge were collected for charcoal analysis. Results reveal that the role of fire in the desert grasslands is likely to change and the continuation of ENSO variability will likely increase fire frequency .