Some weeds are invasive, meaning they can spread into new habitats and replace native species. Next to direct habitat destruction, invasive species are having the greatest immediate impact on Earth ecosystems.
Originally posted on The Roaming Ecologist:
While browsing through this great presentation about disturbance ecology in the wonderful post-eruption ecosystem of Mt. St. Helens, I came across this comic strip from Peanuts, featuring Peppermint Patty and Marcie.
Enjoy!
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