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Assessing economic impacts of biological control of weeds: The case of leafy spurge in the northern Great Plains of the United States

✍ Scribed by D.A. Bangsund; F.L. Leistritz; J.A. Leitch

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 120 KB
Volume: 56
Category: Article
ISSN: 0301-4797
DOI: 10.1006/jema.1999.0269

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✦ Synopsis

Leafy spurge (Euphorbia esula L.), a perennial weed native to Europe and Asia, has become a serious problem for ranchers and land managers in the northern Great Plains region of the United States. Potential economic benefits (i.e. gross benefits, not including the cost of biological control) from biological control of leafy spurge in the four-state region of Montana, North Dakota, South Dakota and Wyoming are estimated. Biological agents were predicted to control about 65% of the region's leafy spurge infestations-about 1•2 million acres (497 000 ha)-by the year 2025.

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