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Tuesday, November 1, 2005

Wildlands and Woodlands: An Update

Since the release of the scientific report "Wildlands and Woodlands: A Vision for the Wildlands and Woodlands CoverForests of Massachusetts" calling for a bold new land protection effort to stave-off accelerating forest fragmentation in Massachusetts, many organizations and persons from the private forester to the public servant have expressed interest and/or endorsement of the vision. Below are some examples of efforts already underway:

Saturday, October 1, 2005

New Harvard Forest Publication: Canopy Impacts Of The Hemlock Wooly Adelgid

Recent Bullard Fellow Bernhard Stadler, from the University of Bayreuth in Germany along with collaborators including Harvard Forest Ecologist David Orwig, examined the impacts of the introduced insect, the hemlock woolly adelgid on spatial and temporal canopy processes in New England hemlock forests. Results suggest that adelgid-induced changes in tree physiology, forest microbiology, and stand-level nutrient cycling occurred well in advance of either heavy infestation by the pest or the appearance of severe tree damage.

Saturday, October 1, 2005

New Harvard Forest Publication: Old-growth Forests on Wachusett Mountain

Forest Ecologist David Orwig documented approximately 100 acres of old-growth forest on the western slopes of Wachusett Mountain State Reservation in Princeton and Westminster, Massachusetts. This report contains information on tree ages and forest composition, as well as recommendations for protecting both the newly discovered forests and nearby existing old-growth forests on the Reservation.

Saturday, October 1, 2005

US Postal Service Northeast Deciduous Forest Stamps Issued

The Postal Service has issued the Nature of America: Northeast Deciduous Forest Northeast Stampcommemorative souvenir stamp sheet. The sheet's reverse side provides the common and scientific names of the 27 animals and plants pictured on the front. The artist's rendition was modelled after Harvard Pond and was created with some input from Harvard Forest Staff. 

Saturday, October 1, 2005

Harvard Forest Web Site Highlights Science Behind Autumn Leaf Color Change

Harvard Forest website created by John O'Keefe and 2004 Bullard Fellow, David Lee, Sugar MapleFlorida International University, focuses on leaf color change. The site will provide a central repository for images, references and scientific explanations and theories relating to leaf pigment changes. Though this site focuses on the New England area, the science and impact of these studies if far reaching.

Thursday, September 1, 2005

New Harvard Forest Publications: Postdoctoral Fellows Publish On Species Turnover and Tree Migration

Harvard Forest Postdoctoral Fellow Robert McDonald, along with collaborators at the University of North Carolina at Chapel Hill, tested the effectiveness of ecoregions, a common conservation tool that divides the world into discrete regions by their ecology, in representing variation in species composition for mammals, trees, and birds. Their results show that, for any particular taxonomic group, most ecoregion boundaries do not represent zones of higher than average turnover.

Thursday, September 1, 2005

Harvard Forest Research Develops New Estimate of Old-Growth Forest Acreage Remaining in Massachusetts

A new estimate of the amount of old-growth forest remaining in Massachusetts has been Cold Riverrecently determined based on research currently being conducted by Tony D'Amato, doctoral candidate in Forestry at UMass, and Dr. David Orwig, forest ecologist at the Harvard Forest.

Monday, August 1, 2005

New Harvard Forest Publication: Historical Human Impacts on Walden Pond

Multi-proxy analysis of a sediment core spanning 1600 years from Walden Pond, Massachusetts (USA), reveals substantial changes in the nutrient status over the past ∼250 years resulting from anthropogenic impacts on the lake and watershed. Following a period of environmental stability from about 430 AD to 1750 AD, the abundance of the diatom Cyclotella stelligera increased, the chrysophyte cyst to diatom ratio decreased, organic content declined, bulk organic δ13C decreased, and bulk organic δ15N increased.

Monday, August 1, 2005

Harvard Forest Master's Student receives Honorable Mention for Outstanding Thesis in the Biological Sciences

Brooks Mathewson, Masters' student in forestry, has been awarded the Dean's Prize Eastern Redback Salamanderfor Outstanding Thesis in the Biological Sciences, receiving an Honorable Mention for his research at the Harvard University Extension School Masters of Liberal Arts Program. Brooks' thesis advisors were Harvard Forest ecologists Betsy Colburn and David Foster, and Harvard Extension lecturers Amanda Benson and James Morris.

Monday, August 1, 2005

Forests in Time: Now Available in Paperback

"Forests in Time represents the cutting edge of efforts to create a truly historical approach to ecological science, and should be read by anyone who cares about the past, present, and future of terrestrial ecosystems."

- William Cronon, Author of Changes in the Land and Nature's Metropolis

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