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The Costs of Invasive Species
The Costs of Invasive Species
Sources
"Invasive Species: Economic Impacts - National." <i>Invasive Species: Economic Impacts - National</i>. 21 June 2014. Web. 20 Apr. 2015. <http://www.invasivespeciesinfo.gov/economic/us.shtml>.
"Costs of Invasive Species." <i>Maine Environmental Department</i>. 1 Jan. 2007. Web. 20 Apr. 2015. <http://www.maine.gov/dep/water/invasives/invcost.pdf>.
Hall, Alan. "Costly Interlopers." <i>Scientific American Global RSS</i>. Scientific American, 15 Feb. 1999. Web. 20 Apr. 2015. <http://www.scientificamerican.com/article/costly-interlopers/>.
"North Dakota State University." <i>Center for Agricultural Policy and Trade Studies</i>. North Dakota State University, 1 Jan. 2008. Web. 20 Apr. 2015. <http://www.ag.ndsu.edu/capts/>.
Eilperin, Juliet. "Tough Choices Follow in Wake of Invasive Species." <i>Washington Post</i>. The Washington Post, 31 Jan. 2010. Web. 20 Apr. 2015. <http://www.washingtonpost.com/wp-dyn/content/article/2010/01/30/AR2010013000939.html>.
"Invasive Species." <i>EPA</i>. Environmental Protection Agency, 13 May 2011. Web. 20 Apr. 2015. <http://www.epa.gov/glnpo/invasive/>.
What is an invasive species?
"Invasive Species." <i>EPA</i>. Environmental Protection Agency, 13 May 2011. Web. 20 Apr. 2015. <http://www.epa.gov/glnpo/invasive/>.