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How human activity alters soil microbes around the world

Adding nitrogen and phosphorous to the soil beneath grasslands shifts the natural communities of fungi, bacteria, and microscopic organisms called archaea that live in the soil. Scientists associated with the Nutrient Network, a global grid of scientists who investigate ecological responses in grasslands around the world, reveal that microbial community responses to fertilizer inputs were globally consistent and reflected plant …

biofuel

Plowing prairies for grains: Biofuel crops replace grasslands nationwide

Clearing grasslands to make way for biofuels may seem counterproductive, but University of Wisconsin-Madison researchers show in a study today (April 2, 2015) that crops, including the corn and soy commonly used for biofuels, expanded onto 7 million acres of new land in the U.S. over a recent four-year period, replacing millions of acres of grasslands. The study — from …