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Full-Text Articles in Life Sciences
Tb200: Carbon And Nutrients In Maine Forest Soils, Ivan J. Fernandez
Tb200: Carbon And Nutrients In Maine Forest Soils, Ivan J. Fernandez
Technical Bulletins
Recent public concerns surrounding climate change and greenhouse gas emissions have resulted in a lively debate about approaches to fossil fuel offsets and carbon (C) sequestration in forests. The forest community sees opportunities for the intensification of the use of forests for markets ranging from forest products, such as fuel or fuel feedstock, to a range of new bioproducts. This report provides initial insights from an ongoing effort to synthesize forest soils data for Maine. The specific objectives presented here were (1) to develop descriptive statistics for C and measures of available forms of the essential nutrients N, P, and …
A Unique Old-Growth Ponderosa Pine Forest In Northern Arizona, Scott R. Abella
A Unique Old-Growth Ponderosa Pine Forest In Northern Arizona, Scott R. Abella
Public Policy and Leadership Faculty Publications
Old-growth ponderosa pine (Pinus ponderosa) forests are uncommon in the Southwest, and only one oldgrowth forest (the Gus Pearson Natural Area [GPNA]) has been researched in the ponderosa pine belt surrounding the city of Flagstaff in northern Arizona. The purpose of this study was to measure soil characteristics, current and pre-Euro-American settlement (1885) tree structure, and understory plant composition in a 6-ha remnant old-growth forest on volcanic, red cinder soils. Soil bulk density was extremely low (0.21 Mg/m3) in this forest because of high volumetric contents of cinders >2 mm diameter. As a result, volumetric soil moisture, organic C, and …