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 Modern Soil Microbiology, Third Edition
The living soil is crucial to photosynthesis, biogeochemical cycles, global food production, climate change, biodiversity, and plant and animal health. In the past decade, scientists have made significant advances in soil microbiology research. While the basic principles are now better understood, knowledge has been forthcoming on... |  |  |  |  Return of the Grizzly: Sharing the Range with Yellowstone's Top Predator
The Yellowstone grizzly population has grown from an estimated 136 bears when first granted federal protection as a threatened species to as many as 1,000 grizzlies in a tri-state region today. No longer limited to remote wilderness areas, grizzlies now roam throughout the region—in state parks, school playgrounds, residential ... |
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