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Transcript
Protista Whirling Disease (Myxobolus cerebralis) Algae Mediterranean Clone of Caulerpa (Caulerpa taxifolia) Seed Plants Brazilian Waterweed (Egeria densa) Common Reed (Phragmites australis) Eurasian Water-milfoil (Myriophyllum spicatum) Giant Hogweed (Heracleum mantegazzianum) Giant Reed (Arundo donax) Giant Salvinia (Salvinia molesta) Hydrilla (Hydrilla verticillata) Melaleuca (Melaleuca quinquenervia) Purple Loosestrife (Lythrum salicaria) Water Chestnut (Trapa natans) Water Hyacinth (Eichhornia crassipes) Invertebrates European Green Crab (Carcinus maenas) Zebra Mussel (Dreissena polymorpha) Fishes Alewife (Alosa pseudoharengus) Asian Swamp Eel (Monopterus albus) Eurasian Ruffe (Gymnocephalus cernuus) Lionfish (Pterois volitans) Northern Snakehead (Channa argus) Sea Lamprey (Petromyzon marinus) Amphibians North American Bullfrog (Rana catesbeiana) Mammals Nutria (Myocastor coypus) Alien Invasion! Question What are invasive species, why are they a problem, and what can be done about them? Learning Objectives ►be able to define, compare, and contrast invasive species, alien species, and native species ►be able to describe at least three problems that may be associated with invasive species ►be able to describe at least three invasive species, explain how they came to be invasive, and discuss what can be done about them Procedure Prepare a written case study on an invasive aquatic species that includes the following information: 1. native location of the species 2. how it was introduced to an ecosystem 3. where it became invasive 4. what impacts (environmental, economic, and/or social) are associated with the invasive species 5. what control measures are possible (mechanical, cultural, biological, chemical) Share your research results orally with the class. Alien Invasion! Question What are invasive species, why are they a problem, and what can be done about them? Learning Objectives ►be able to define, compare, and contrast invasive species, alien species, and native species ►be able to describe at least three problems that may be associated with invasive species ►be able to describe at least three invasive species, explain how they came to be invasive, and discuss what can be done about them Procedure Prepare a written case study on an invasive aquatic species that includes the following information: 1. native location of the species 2. how it was introduced to an ecosystem 3. where it became invasive 4. what impacts (environmental, economic, and/or social) are associated with the invasive species 5. what control measures are possible (mechanical, cultural, biological, chemical) Share your research results orally with the class.
