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Eric Webb

Route 30 Bridge Project Delayed By Eagles - Pennsylvania News Story - WGAL The Susqueha... - 0 views

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    Endangered Species Act in effect.
Eric Webb

Tiny pest a big threat to ash trees - The York Daily Record - 0 views

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    Example of an invasive species in PA.
Eric Webb

nsf.gov - National Science Foundation (NSF) News - Loss of Large Predators Caused Wides... - 0 views

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    the loss of keystone species and the ramifications that is having on ecosystems globally
Eric Webb

Top Predators Preserve Ecosystems : Discovery News - 0 views

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    The importance of keystone species to ecosystems.
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