Judul : RESEARCH IN REVIEW
Tanggal publikasi : Oct/Nov 2012
Penerbit : Society of American Foresters
Tempat publikasi : Bethesda
Negara publikasi : United States
Jenis sumber : Scholarly Journals
Bahasa publikasi : English
Jenis dokumen : General Information
ID dokumen ProQuest : 1243098650
URL Dokumen : http://search.proquest.com/docview/1243098650?accountid=13771
Hak cipta : Copyright Society of American Foresters Oct/Nov 2012
Terakhir diperbarui : 2012-12-24
Basis data : 4 basis data
- ProQuest Agriculture Journals
- ProQuest Biology Journals
- ProQuest Career and Technical Education
- ProQuest Research Library
Southern Forest Science in Support of a Low Carbon Economy
Guest Editor: Kurt Johnsen
now appearing in Forest Science, October 2012
Articles in this special issue of Forest Science result from a special
session held at the 16th Biennial Southern Silviculture Research
Conference held in Charleston, South Carolina in February 2011. This
session, entitled "Southern Forest Science in Support of a Low Carbon
Economy," was organized to address the state-of-science in the forest
carbon cycle research, political and technical barriers in developing
carbon accounting systems, bioenergy systems, economics of carbon
sequestration, and co-benefits and costs as the southern region moves
toward a low carbon economy. Articles include: "Carbon Emissions and
Sequestration from Fertilization of Pine in the Southeastern United
States," "Effect of Harvest Residue Management on Tree Productivity and
Carbon Pools during Early Stand Development in a Loblolly Pine
Plantation," and "A Comparison of Three Field Sampling Methods to
Estimate Soil Carbon Content."
Seven-Year Effects of Midstory Removal on Natural and Underplanted Oak Reproduction
David L. Parrott, John M. Lhotka, Jeffrey W. Stringer, and Dylan N. Dillaway
upcoming in the Northern Journal of Applied Forestry, December 2012
Midstory removal can enhance the development of oak advance
reproduction on higher quality sites, but the long-term response of oak
species common to intermediate quality sites is relatively unknown. The
authors investigated the response of natural and underplanted black and
white oak and natural red maple reproduction following midstory
removals, with adjacent unaltered controls, in four stands on the
Northern Cumberland Plateau. They compared survival, size, and
competitive position of tagged seedlings seven growing seasons after
treatment. Survival, mean height, and mean basal diameter of all species
were generally higher following midstory removal. However, red maple
and other shade-tolerant species were more abundant than oak seedlings
in both treatments. While midstory removal was successful in improving
oak development, removal of competitor species like red maple may be
necessary to ensure oak recruitment.
Influence of Herbicide Site Preparation on Longleaf Pine Ecosystem Development and Fire Management
Robert N. Addington, Thomas A. Greene, Michele L. Elmore, Catherine E. Prior, and Wade C. Harrison
upcoming in the Southern Journal of Applied Forestry, November 2012
Herbicide site preparation is common in longleaf pine artificial
regeneration to reduce competition and promote seedling establishment.
Yet few studies have evaluated longer-term influences of the herbicides
on ecosystem development and fire management. The authors evaluated the
response of longleaf seedlings, woody stem density, herbaceous
vegetation cover, species richness, and fine fuels to two treatments:
imazapyr/glyphosate and hexazinone. Six years posttreatment, hardwood
stem density was five times higher on control plots; vegetation
composition and structure were otherwise similar. Total herbaceous fuels
were enhanced by hexazinone in particular, which bodes well for fire
management and continued hardwood control. Increased woody litter on
control plots modified fuel beds in ways that may inhibit fire
management. Results suggest that herbicide-treated plots are better
poised for restoration success without additional treatments beyond
fire.
Conifer Crown Fuel Modeling: Current Limits and Potential for Improvement
David L.R. Affleck, Christopher R. Keyes, and John M. Goodburn
now appearing in the Western Journal of Applied Forestry, October 2012
The characterization of crown fuel parameters is a critical element in
many fire behavior simulators. The authors briefly review the
development and limitations of current conifer crown fuel models, then
identify and evaluate conifer crown modeling efforts and techniques that
have been advanced outside the fire and fuels domain. While the latter
models often focus on crown parameters distinct from those traditionally
described in fuels studies, the authors contend that advances in
conifer crown fuel modeling can be made by extending the results of
these parallel lines of research. Such advances are needed to adequately
parameterize crown fuels if we are to reap advantages from
next-generation fire behavior models. Further, more information must be
derived from long-term fuels treatment and silvicultural trials to
improve understanding of how conifer crowns respond to treatments.
Copyright Society of American Foresters Oct/Nov 2012