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Economic Impacts
State and Local Impacts

Provides links to the economic impacts of invasive species for Regions, States, and U.S. Territories.


Annual Losses to Great Lakes Region by Ship-borne Invasive Species at least $200 Million (Jul 2008; PDF | 154 KB)
A U.S. study conducted by the Center for Aquatic Conservation at the University of Notre Dame and University of Wyoming suggests invasive species brought in by ocean-going ships may be costing the Great Lakes region more than $200 million a year in losses to commercial fishing, sport fishing, and the area's water supply.

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Alaska | California | Colorado | Florida | Hawaii | Idaho | Indiana | Kansas| Louisiana | Maryland | Montana | Nebraska | Nevada | New York | Oregon | Texas | Washington


Managing Invasive Species in Alaska: How Much Do We Spend? (2012)
University of Alaska Anchorage. Institute of Social and Economic Research.


Eradication costs calculated . . . Red imported fire ants threaten agriculture, wildlife and homes (Jan/Feb 2002)
University of California.
California Agriculture
, Volume 56, Number 1

The Cost of Invasive Plants on California
California Invasive Plant Council.


Economic Impact of West Nile Virus on the Colorado and Nebraska Equine Industries: 2002 (Apr 2003; PDF | 114 KB)
USDA. APHIS. Centers for Epidemiology and Animal Health.


Economic Sectors at Risk from Invasive Aquatic Weeds at Lake Istokpoga, Florida (Dec 2004; PDF | 1.5 MB)
Florida Fish and Wildlife Conservation Commission.

Research Finds Economic Impact of Laurel Wilt Disease Could be "Catastrophic" (Sep 9, 2010)
American Society for Horticultural Science.
Scientists have found that the invasive fungus called laurel wilt disease and the redbay ambrosia beetle, which carries laurel wilt, represent a significant economic threat to Florida's avocado industry. According to the report Potential Economic Impact of Laurel Wilt Disease on the Florida Avocado Industry published in HortTechnology, direct losses from the invasion could range from $183 million to a remarkable high of $356 million.

The Costs and Benefits Associated with Eradicating Citrus Canker in Florida (Jul 2003; PDF | 478 KB)
University of Florida. Food and Resource Economics.


Economic impacts of non-indigenous species: Miconia and the Hawaiian economy (PDF | 472 KB)
Gettysburg College. Brooks A. Kaiser.


Noxious Weed Cost Share Program
Idaho State Department of Agriculture.


Insects and Other Arthropods of Economic Importance in Indiana in 2004 (2005; PDF | 5.69 MB)
Purdue University. Cooperative Agricultural Pest Survey.
Proceedings of the Indiana Academy of Science 114(2): 105-110.


Foot-and-mouth Disease Could Cost Kansas Nearly a Billion Dollars (Nov 29, 2007)


West Nile Virus Economic Impact, Louisiana, 2002 (Oct 2004)
DHHS. Centers for Disease Control and Prevention.
Emerging Infectious Diseases,
Vol. 10, No. 10


Potential Economic Losses Associated With Uncontrolled Nutria Populations in Maryland’s Portion of the Chesapeake Bay (Nov 2, 2004; PDF | 632 KB)
Maryland Department of Natural Resources.
Published by: Southwick Associates: Fish and Wildlife Economics and Business Consulting.


The Impact of Knapweed on Montana's Economy (Jul 1996)
University of Minnesota.
Steven A. Hirsch and Jay A. Leitch, North Dakota State University Agricultural Experiment Station


Economic Impact of West Nile Virus on the Colorado and Nebraska Equine Industries: 2002 (Apr 2003; PDF | 114 KB)
USDA. APHIS. Centers for Epidemiology and Animal Health.


Estimating Net Losses in Recreation Use Values from Non-Indigenous Invasive Weeds (PDF | 592 KB)
University of Nevada - Reno. Cooperative Extension.
Special Publication SP-03-10.

The Economic Costs of Delaying Invasive Weed Control: An Illustration based on Nevada’s Tall Whitetop Initiative (PDF | 380 KB)
University of Nevada - Reno. Cooperative Extension.
Special Publication SP-01-08.

The Estimated Costs of Treating Invasive Weeds in Elko County, Nevada (PDF | 102 KB)
University of Nevada - Reno. Cooperative Extension.
Fact Sheet FS003-41.

New York

The Actual and Potential Economic Impact of Invasive Species in the Adirondacks Park: A Preliminary Assessment (2014; PDF | 5.39 MB)
Adirondack Park Invasive Plant Program.
See also: Project & Flagship Reports for more resources


The Economics of Invasive Species (2009; PDF | 444 KB)
Oregon Sea Grant; Oregon State University; DOC. National Oceanic and Atmospheric Association.
Prepared for the Oregon Invasive Species Council. See also: Strategic Plans & Action Plans for more resources

Economic Impact from Selected Noxious Weeds in Oregon (2014; PDF | 2.96 MB)
Oregon Department of Agriculture.
See also: Weeds and Weedmapper Resources for more publications


Damage by Fire Ants in Rural Texas Estimated at $236.5 Million (Dec 14, 2006)
Texas Integrated Pest Management Program. AgNews.


Economic Impact of Invasive Species: Direct Costs Estimates and Economic Impacts for Washington State (Jan 2017)
Washington State Recreation and Conservation Office. Washington Invasive Species Council.

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U.S. Territories

Puerto Rico

The Economic Impact of Invasive Species in the Ornamental Commodity in Puerto Rico (Mar 2004; PDF | 141 KB)
University of Florida. Institute of Food and Agricultural Sciences.
C.I. Alamo, R.A. Franqui, and E. Evans

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Last Modified: Sep 10, 2018
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