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The video describes the problems associated with the Great Lakes sea lamprey invasion and how Canada and the United States have been able to control their numbers. It offers a quick overview of their arrival in the Great Lakes, the danger they represent...
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The film introduces a success story in the use of biological controls to combat invasive species. In this case the invasive species is purple loosestrife and the biological control is a European leaf-eating beetle, Galerucella calmariensis. Students...
This video is well suited for older students. The potential risk of invasive species from water gardens and aquariums is explained with specific examples of plants and animals that have caused harm to our Canadian habitats. Alternative suggestions...