10.21.2010 envs lecture

10.21.2010 envs lecture - Overview: What are bioinvasions?...

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Overview: What are bioinvasions? Why do we care? Bioinvasions: Example: Ice Plant (intentionally introduced for control but the issue is that it is so great at doing what it does that it excludes other plants. It is hard for native plants to live in the same habitats) Tamarisk Native to Euroasia and S. Africa Other plants have depended on this species and it is changing the ecology and function How do we deal with it? We don’t and leave it be. Yellow Star Thistle in Yosemite: invasive plants. Like weeds. Altered many plants and water tables Asian Longhorn Beetle: hitchhiked on food produce and expands their range. Problem for CA wine growers. Chinese mitten crab: native to yellow china sea. Commercial shipping? People dumped it in the bay intentionally because it is a delicacy in China and people wanted it to be available in America. Human health threat. Can infect humans. Harmful invasive species . now it is all the way up in the delta. It can undermine the levy system and cause flooding and infrastructural failures. Eurasian Zebra Mussel: in freshwater in great lakes. When your pipes get clogged with
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10.21.2010 envs lecture - Overview: What are bioinvasions?...

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