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Quickly and quietly, non-native invasive plants are making deep inroads across America, depriving entire ecosystems of the living things and natural resources they depend on to survive. This program illustrates the alarming environmental and commercial impact of non-native invasive plants; explains why they were planted and how they got out of control; introduces federal, state, and local organizations dedicated to stopping them; and describes mechanical, biological, and chemical methods of fighting them. The program also catalogues numerous pest plants currently wreaking havoc, including kudzu, purple loosestrife, garlic mustard, giant salvinia, yellow star thistle, and water hyacinth. (61 minutes)



 
                

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Copyright date: ©2001




     


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Is There a Crisis? Biodiversity in Decline
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The most striking feature of life on Earth is its richness and variety. But research shows that the planet's biodiversity is seriously threatened with destruction by human activities. From the depths of the oceans to the tops of rainforest canopies, ...(more details)
 
Aquatic Invaders: The Rising Tide of Non-Native Invasive Species
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Canal systems, ballast water from oceangoing ships, and seemingly little things such as fish stocking, bait bucket emptying, and trailering recreational boats all provide ways for non-native invasive species to infest North America's aquatic environm...(more details)
 


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