Check out this article on excellent article by Kristina Vagos, Wildlife Biologist at the Stewart B. McKinney NWR, on controlling invasive species of flora and fauna which appeared in the Connecticut Wildlife Magazine. The link will bring you to the Resource Management page of the US Fish & Wildlife website. Scroll to the bottom of the page for the link to the article.If you click on the link below. http://www.fws.gov/refuge/Stewart_B_McKinney/what_we_do/resource_management.html.