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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. 

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.

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.

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

Monday, August 1, 2005

New Harvard Forest Publication: Nutrient Limitation and Stoichiometry In Carnivorous Plants

Harvard Forest Senior Ecologist Aaron Ellison, along with University of Vermont Professor Nick Gotelli and his graduate students Amy Wakefield and Sarah Wittman examined Ecology August 2005 Covernutrient stoichiometry of northern pitcher plants fed supplemental prey. Their results suggest that under current conditions of high nitrogen deposition in the northeast that pitcher plants are phosphorus limited, and that phosphorus is preferentially absorbed from prey.

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.

Friday, July 1, 2005

Local Flora Inventory

For nearly a century, Harvard Forest has been the focus of a wide range of Flora Inventoryecological investigations, with a strong emphasis on studies of vegetation, disturbance history, and stand dynamics. Little is known of the local flora prior to the establishment of Harvard Forest in 1907. Hugh Raup developed the first checklist of vascular plants of Petersham, MA, based on his extensive collections in the early 1930s (Raup 1938). Subsequently, C.

Friday, July 1, 2005

New Harvard Forest Publication: Physiological Costs of Carnivory in Carnivorous Plants

Harvard Forest Senior Ecologist Aaron Ellison and Bullard Fellow Elizabeth American Journal of Botany 2005 CoverFarnsworth analyzed photosynthetic rates, tissue nutrient content, and morphology of the California pitcher plant Darlingtonia californica, and found that carnivorous plants deviate substantially from generalized spectra of leaf traits proposed for a wide variety of terrestrial plants.

Wednesday, June 1, 2005

Wildlands and Woodlands: A Vision for the Forest of Massachusetts

In a new scientific report entitled "Wildlands and Woodlands: A Vision for the Forests Wildlands and Woodlands Coverof Massachusetts", Dr. David Foster the Director of Harvard Forest and his colleagues from the University of Massachusetts and Brandeis University call for a bold new land protection effort to stave-off accelerating forest fragmentation in Massachusetts.

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