Recovery plan revisions: progress or due process?
2002
Harvey, Erik | Hoekstra, Jonathan M. | O'Connor, Raymond J. | Fagan, William F.
Revisions allow the recovery planning process for threatened and endangered species to be flexible and responsive to new information or changes in the status of a species. However, the Endangered Species Act defines neither firm criteria that trigger revision of recovery plans nor clear guidelines about how plans should be revised. Consequently, the effect of revisions in the recovery planning process is unknown. We examined how species and recovery plan attributes influenced the likelihood that a plan would be revised and how the content of plans changed with revision. Vertebrate species with designated critical habitat were nearly four times more likely to have their recovery plans revised than were invertebrates or plants without designated critical habitat. Nonetheless, recovery priorities assigned by the U.S. Fish and Wildlife Service (USFWS) did not influence the likelihood of plan revision. Paired comparisons between original and revised versions suggested that knowledge of species biology and status had improved, and that recognition of threats had increased since the original plans were written. However, these improvements did not lead to recovery criteria or monitoring actions that were more clearly justified. We recommend that recovery plan authors strive to maximize benefits from improved biological information by defining management actions and goals that are more biologically justified. We also urge the USFWS to establish a consistent priority system for recovery plan revisions that affords consideration to listed species of all taxa and emphasizes revisions for those species most likely to benefit.
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