News tagged with invasive species

US tiger shrimp sightings worry scientists

(AP) -- A big increase in reports of Asian tiger shrimp along the U.S. Southeast coast and in the Gulf of Mexico has federal biologists worried the species is encroaching on native species' territory.

Apr 27, 2012 4 / 5 (1) 0

Drawing connections between food webs

Ecosystems today face various threats, from climate change to invasive species to encroaching civilization. If we hope to protect these systems and the species that live in them, we must understand them — an extremely ...

Apr 04, 2012 5 / 5 (3) 0 | with audio podcast