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Tallgrass Prairies May Provide Early Warning Of Climate Change
February 5, 2001 — Tallgrass prairies. One of America's most endangered ecosystems. While their size has diminished over the years — only an estimated 5 percent of the original tallgrass prairie in the United ... > full story -
Archaeologist Finds Arizona's Ancient Hohokam Was Complex, Advanced Culture That May Have Reached The West Coast
February 2, 2001 — The Hohokam, who inhabited the dry Sonoran desert of southern Arizona, were more or less ignored, even though they had by far the most advanced canal irrigation system in the New World. Now, the ... > full story -
Horizontal Strain Critical To Characterizing Aquifer Properties And To Understanding Land Subsidence
January 25, 2001 — To understand how subsidence and fissures result from pumping aquifers, scientists and engineers need to measure horizontal as well as vertical strain, geologists have now demonstrated. ... > full story -
Peru's Nasca Lines Point To Water Sources, Suggest UMass Researchers
December 1, 2000 — The ancient "Nasca lines" created on the desert floor by native peoples in Peru thousands of years ago may not just be works of art, according to a team of scientists from the University of ... > full story -
Bilbies Invade Central Australia
November 19, 2000 — A giant Australian mining company is working with Adelaide University and Adelaide Zoo to restore a huge area of Central Australia to pre-European condition. Re-introducing native animals that ... > full story -
Spy Satellite Photos Document Desert Plant Invasion
August 11, 2000 — Declassified spy satellite images, combined with aerial photos, document an invasion of honey mesquite bushes into a former arid grassland that is now part of a long-term scientific study of the ... > full story -
Urban Sprawl Reduces Annual Photosynthetic Production
February 28, 2000 — A study of the impact of urbanization and industrialization over the past seven years using satellites shows that annual photosynthetic productivity can be reduced by as much as 20 days in some areas ... > full story -
Fossil Plants' Ties To Ancient Carbon Redefined
February 18, 2000 — A study shows fossil plants can help climate change researchers pin down the sources of carbon in the atmosphere hundreds of millions of years ago. But the study also discredits a potentially more ... > full story -
Researchers Seek Answers To Combat World’s Stressed Freshwater Supply
December 17, 1999 — A multi-pronged analysis of global water resources indicates the supply of clean freshwater for use by humans and natural ecosystems is shrinking by the year, according to a University of Colorado at ... > full story -
To Survive Their Harsh Environment, Desert Bees Hedge Their Bets With A Wait-And-Wet Attitude, Cornell Researcher Discovers
November 18, 1999 — Like the desert's floral seeds waiting for their season in the sun, scientists have learned that the desert bees have adopted a patient reproductive strategy. Desert bee larvae patiently lie in ... > full story
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