IS IT time to let some threatened species go extinct? The heretical notion is worthy of consideration, says a majority of conservationists contacted in a poll.
Of 583 questioned, 60 per cent agreed that criteria should be established for deciding which species to abandon in order to focus on saving others (Conservation Biology, DOI: 10.1111/j.1523-1739.2011.01772.x). Murray Rudd of the University of York, UK, who ran the survey, says the subject has been somewhat taboo until recently. Most large conservation organisations, he adds, already have checklists for prioritising their efforts.
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