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Research Show Invasive Species Cost the Great Lakes Millions: New Paper Assigns Dollar Figure to Effects of Shipborne Invaders (Mar 29, 2012)
University of Notre Dame.
Researchers assigns a dollar figure on the cost to the Great Lakes from invasive species that originate in the ballast water of ocean-going vessels. For the U.S. waters, median damages aggregated across multiple ecosystem services were $138 million per year, and there is a 5% chance that for sportfishing alone losses exceeded $800 million annually. For information, see the journal article "Ship-borne Nonindigenous Species Diminish Great Lakes Ecosystem Services."

Study Finds that Local Government, Home Owners Are Paying for Damages Caused by Non-native Forest Insects (Sep 9, 2011)
USDA. FS. Northern Research Station.
Non-native, wood-boring insects such as the emerald ash borer and the Asian longhorned beetle are costing an estimated $1.7 billion in local government expenditures and approximately $830 million in lost residential property values every year, according to study by a research team that included scientists with the U.S. Forest Service, Northern Research Station. This study provides the most comprehensive estimates of the costs of non-native forest insects that are currently available for the U.S.

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