Fighting Fire With Fire

See allHide authors and affiliations

Science  17 Sep 1999:
Vol. 285, Issue 5435, pp. 1841-1843
DOI: 10.1126/science.285.5435.1841

You are currently viewing the summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution


WEST BOULDER RIVER, MONTANA-- As the menace posed by biological invaders grows, many scientists and governments are fighting fire with fire by importing natural enemies of exotic weeds and pests. But the "good" exotics may become problems themselves, attacking nontarget native species or reshuffling ecosystems in unwanted ways. And even biocontrol researchers admit that the long-term fate of introduced agents is often unknown.