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Sagar Sahasrabudhe and Adilson Motter of Northwestern University in Evanston, Illinois, have shown that in several model food webs, as well as in two webs modeled with data derived from real ecosystems--the Chesapeake Bay off Maryland and Virginia and the Coachella Valley in Southern California--removing or partially suppressing one or more species at key time points after one member has gone extinct saves other members of the web from local extinction. They publish the results January 25 in Nature Communications.