In the area where you live, what species are invasive? How did they get there? H

In the area where you live, what species are invasive? How did they get there? How are they affecting the native species in your area? What management techniques are used to diminish these effects? Use resources from the Internet, including www.invasive.org, www.issg.org, and www.invasivespeciesinfo.gov, to identify species.
300-325 words, extra references is fine.