Soils constitute one of the most valuable resources on earth, especially because soil is
renewable on human time scales. During the 20th century, a period marked by a …

Forest soil carbon (C) storage is a significant component of the global C cycle, and is
important for sustaining forest productivity. Although forest management may have …

Global fire regimes are shifting due to climate and land use changes. Understanding the
responses of belowground communities to fire is key to predicting changes in the ecosystem …

Forest structure and species composition in many western US coniferous forests have been
altered through fire exclusion, past and ongoing harvesting practices, and livestock grazing …

More than a century ago, Lt. Edward Beale wrote of northern Arizona:" It is the most beautiful
region I ever remember to have seen in any part of the world. A vast forest of gigantic pines …

Forest soils represent a substantial portion of the terrestrial carbon (C) pool, and changes to
soil C cycling are globally significant not only for C sequestration but also for sustaining …

Large, high-severity wildfires alter the physical and biological conditions that determine how
catchments retain and release nutrients and regulate streamwater quality. The short-term …

Temperate forest soils store globally significant amounts of carbon (C) and nitrogen (N).
Understanding how soil pools of these two elements change in response to disturbance and …

Soil organic matter (SOM) supports the Earth's ability to sustain terrestrial ecosystems,
provide food and fiber, and retains the largest pool of actively cycling carbon. Over 75% of …

Productivity in boreal ecosystems is primarily limited by available soil nitrogen (N), and there
is substantial interest in understanding whether deposition of anthropogenically derived …