Meeting the challenge of mapping peatlands with remotely sensed data O. N. Krankina, D. Pflugmacher, M. Friedl, W. B. Cohen, P. Nelson, and A. Baccini Oregon State University, Department of Forest Science, 321 Richardson Hall, Corvallis, OR 97331, USA Boston University, Department of Geography and Environment, 675 Commonwealth Ave., 4th Floor, Boston, MA 02215, USA Forestry Sciences Laboratory,...

AMANDA ROSENBERGER* AND PAUL L. ANGERMEIER † *University of Idaho, Department of Civil Engineering and the Rocky Mountain Research Station, Boise Aquatic Sciences Laboratory, Boise, ID, U.S.A. †United States Geological Survey, Virginia Cooperative Fish and Wildlife Research Unit, Department of Fisheries and Wildlife Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA, ...

—Increment cores collected as part of the periodic inventory in the Intermountain West were examined for their potential to represent growth and be a proxy for climate (precipitation) over a large region (Utah). Standardized and crossdated time-series created from pinyon pine (n=249) and Douglas-fir (n=274) increment cores displayed spatiotemporal patterns in growth differences both between spe...

18 Most mature lodgepole pine (Pinus contorta var. latifolia Engelm. ex Wats.) forests in the central and southern Rocky Mountains originated after stand-replacing wildfires or logging (Brown 1975, Lotan and Perry 1983, Romme 1982). In recent years, mountain pine beetle (Dendroctonus ponderosae Hopkins) outbreaks have created a widespread, synchronous disturbance (i.e., greater than 1.4 million...

Wildland fire is an important disturbance agent in the western US and globally. However, the natural role of fire has been disrupted in many regions due to the influence of human activities, which have the potential to either exclude or promote fire, resulting in a ‘‘fire deficit’’ or ‘‘fire surplus’’, respectively. In this study, we developed a model of expected area burned for the western US ...

Forest operations generate large quantities of forest biomass residues that can be used for production of bioenergy and bioproducts. However, a significant portion of recoverable residues are inaccessible to large chip vans, making use financially infeasible. New production systems must be developed to increase productivity and reduce costs to facilitate use of these materials. We present a com...

Herbicides show promise to improve the efficiency and economics of forest stand conversion and regeneration. However, the impacts of herbicides on forest ecosystems and the ultimate fate of these chemicals are not completely understood. A major problem in pine regeneration in northern mixed hardwood forests is competition from fast-growing and easily sprouting species like red maple, northern r...

Survival and growth of longleaf pine seedlings depends upon a well-developed root system. Soil moisture is also critical for the seedling to emerge from the grass-stage. When longleaf pine seedlings emerge from the grass stage, they grow rapidly in height and diameter. Branches are often few in number and, if present, may have low photosynthesis rates. This growth pattern is seen on all longlea...

“Fragmentation of forest types” is an indicator of biological diversity in the Montréal Process. In the 2003 U.S. National Assessment, the indicator was interpreted as the extent to which forests are distributed as large blocks of habitat. It was assessed by measuring patch size, amount of edge, interpatch distance, and patch contrast on land-cover maps derived from satellite imagery. Although ...