Figure 9: Examples of Mollisols (grassland soils) formed from loess. Both soils have mean annual precipitation of 450 mm. The Ustoll (a) has an ustic soil moisture regime and the Xeroll (b) has a ...

In certain trees, soils can form along branches and can support varied plant and animal life. However, what conditions these ‘canopy soils’ form in, and what kind of biodiversity they support, has ...

Scientists know iron oxide minerals store large amounts of carbon in soils, but lack a detailed, quantitative understanding of the specific chemical mechanisms that allow them to bind such a wide ...

Shale Hills in central Pennsylvania is already a busy area in Penn State’s managed forest lands, but now a five-year $4.2 million National Science Foundation Grant will make it even busier as ...

Canopy soils that form on tree branches contain three times more carbon than soils on the ground in Costa Rica, potentially serving as an important carbon sink around the world. New research reveals a ...