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Science 14 July 2000:
Vol. 289. no. 5477, p. 231
DOI: 10.1126/science.289.5477.231
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News of the Week

ECOLOGY:
When Fire Ants Move In, Others Leave

Elizabeth Pennisi

Researchers have uncovered new evidence about the long-range, and potentially long-term, ecological damage being wrought by an invasive species of fire ant. The red imported fire ant Solenopsis invicta displaces other ant species and upsets the structures of native communities of ants--disruptions that appear to be permanent, they report in the July issue of Ecology Letters. The drop in biodiversity could represent a significant loss, experts note, because of the critical role ants play in recycling nutrients and other biological material.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)