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News From the Field
Trees and shrubs invading critical grasslands, diminish cattle production

August 18, 2014

Texas Longhorn cattle bull grazing Half of the Earth's land mass is made up of rangelands, which include grasslands and savannas, yet they are being transformed at an alarming rate. Woody plants, such as trees and shrubs, are taking over, leading to a loss of critical habitat and causing a drastic change in the ability of ecosystems to produce food--specifically meat. Researchers at Arizona State University have quantified this loss. Findings appear in today's issue of PNAS. Full Story

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Arizona State University

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2014, its budget is $7.2 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives about 50,000 competitive requests for funding, and makes about 11,500 new funding awards. NSF also awards about $593 million in professional and service contracts yearly.

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