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Former Harvard Forest student Raphael Contamin and Harvard Forest Senior Ecologist Aaron Ellison analyzed the classic lake model of Steve Carpenter and William Brock to determine how much advance warning indicators of regime shifts provide to managers interested in preventing dramatic ecosystem changes. Their analysis suggests that an indicator based on the high-frequency signal in the spectral density of the

In January 2008, in conjunction with tree harvesting on abutting Petersham Country Club property, Harvard Forest experienced illegal cutting of nearly 100 trees on its property and significant environmental damage to the surrounding forest, including a fragile vernal pool. This Fact Sheet and the accompanying map/photographs describe and illustrate the damage, outline Harvard Forest's goals, and provide substantial

On April 23rd-26th, Harvard Forest will be hosting the annual Keystone Project training. Keystone, an effort of UMass Amherst, is an intensive three day seminar on forest ecology and management, wildlife management, land protection, and community outreach. It is designed to train landowners and community leaders in forest conservation. The goal of Keystone is to put into place in each

Climate models predict that by 2100, the northeastern U.S. and eastern Canada will warm approximately 3-5°C, with increased winter precipitation. These changes will affect trees directly and indirectly through effects on "nuisance" species, such as insect pests, pathogens, and invasive plants. Harvard Forest Ecologist Dave Orwig and Population Ecologist Kristina Stinson recently joined a team of colleagues to review how