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What drought means for southwestern landscapes

Boatman's Quarterly Review
By: , and 

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Abstract

Introduction Each year, more than 20,000 people raft the Grand Canyon, many of whom will experience this iconic landscape for the first and only time. Visitors to our region for their once-in-a-lifetime Grand Canyon experience might be surprised to see forests and wetlands in addition to deserts. While locals are seeing changes to the Colorado Plateau woodlands, many visitors may not be able to distinguish between our normal desert landscapes (we have cactus!) and the increasingly dry and hot conditions we have experienced in recent decades. Helping visitors see these drought impacts could help communicate that climate change is not a problem for future generations but something affecting us now. The southwestern US (“Southwest”) is one of many dry regions around the world located within about 30 degrees of the equator. As global temperatures rise, these dry zones are getting drier and are likely expanding1. Dryland expansion and aridification alters water availability, which touches our lives and ecosystem health in the Southwest. This essay focuses on drought impacts on ecosystems across the Four-Corners region and Grand Canyon, with particular attention to the forests and woodlands that contribute, in part, to Colorado River flows.

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Publication type Article
Publication Subtype Journal Article
Title What drought means for southwestern landscapes
Series title Boatman's Quarterly Review
Volume 35
Issue 1
Year Published 2022
Language English
Publisher Grand Canyon River Guides
Contributing office(s) Southwest Biological Science Center
Description 4 p.
First page 16
Last page 19
Country United States
State Arizona, California, Nevada
Other Geospatial Colorado River, Grand Canyon
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