Invasive Species

The Latest

Imported forest pests the greatest threat to U.S. Trees

When asked ‘what’s the greatest threat facing U.S. trees,’ common answers are climate change and development. 

David Strayer testifies before Congress on invasive species

Video

Testimony of David Strayer before the U.S. House of Representatives Committee on Natural Resources on proposed legislation seeking exemptions from the Lacey Act.

David Strayer testifies before Congress on the damaging effects of invasive species

Testimony of David L. Strayer before the U.S. House of Representatives Committee on Natural Resources Subcommittee on Water, Power, and Oceans. 23 June 2016

Adirondack Forest Pest Summit

The Adirondack Park Invasive Plant Program (APIPP) and the Adirondack Mountain Club (ADK) are co-hosting an Adirondack Forest Pest Summit, a free conference meant to help raise awareness about invasive insects negatively affecting New York forests. The event will take place at the Tannery Pond Community Center in North Creek from 10 a.m. to 4 p.m. on Monday, July 11th.

Related Projects

Tree-SMART Trade

Growing reliance on both trees and trade makes imported forest pests the most pressing, and under-appreciated, forest health issue in the US today. Five high-priority policy actions that build on proven prevention measures can reduce the arrival and establishment of new forest pests.

Effects of Invasive Hemlock Woolly Adelgid on Northeastern Forests

Hemlock is a "foundation" tree species in eastern forests and its presence defines the properties of a unique ecosystem that is presently declining due to the introduction and spread of an invasive insect, the hemlock woolly adelgid.

Effects of Gypsy Moth on Nitrogen Cycling

The gypsy moth was introduced to North America from Europe in 1869 and has become a major defoliator of eastern hardwood forests.

Ecosystem Effects of Exotic Forest Pests

Over the last century, forests of the eastern U.S. have been plagued by a series of devastating introductions of exotic pests.

zebra mussel

Zebra Mussels and the Hudson River

Zebra mussels appeared in the Hudson in 1991 and fundamentally transformed the ecosystem. The zebra mussel invasion is linked to losses of native mussels and changes in the fish community.

Effects of Beech Bark Disease on Catskill forests

This project is focused on the consequences of the invasion of the beech bark disease (BBD) in northern hardwood forests, which dominate the uplands of the northeastern U.S. and southeastern Canada.

Exotic Earthworms & Northern Temperate Forests

Earthworms effect microbial nitrogen cycling and ecosystem nitrogen retention. Earthworm invasion of north temperate forests will have large consequences for nutrient retention and uptake in these ecosystems.

Cary Institute of Ecosystem Studies | Millbrook, New York 12545 | Tel (845) 677-5343

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