Great Lakes Videos: January 6, 2012 For links to these videos and more, visit http://www.great-lakes.net/news/video Documentary series highlights invasive species in national parks - Part 2 Great Lakes Echo (1/4) Part two of a series of short documentaries created by the National Park Service shows how invasive plants are taking over areas of Indiana Dunes National Lakeshore, and how park service staff and volunteers are fighting back. Coast guard cutter starts breaking up ice on Lake Superior Fox21 (1/4) The Duluth Coast Guard Alder sent sail Wednesday breaking up ice on Lake Superior. Documentary series highlights invasive species in national parks - Part 1 Great Lakes Echo (1/3) Part one of a series of short documentaries created by the National Park Service shows how invasive mussels and round goby may be throwing off the Lake Michigan food web and causing avian botulism outbreaks. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.great-lakes.net/lists/dailynews/attachments/20120106/da203423/attachment.html