Concept

Conservation-reliant species

Conservation-reliant species are animal or plant species that require continuing species-specific wildlife management intervention such as predator control, habitat management and parasite control to survive, even when a self-sustainable recovery in population is achieved. The term "conservation-reliant species" grew out of the conservation biology undertaken by The Endangered Species Act at Thirty Project (launched 2001) and its popularization by project leader J. Michael Scott. Its first use in a formal publication was in Frontiers in Ecology and the Environment in 2005. Worldwide use of the term has not yet developed and it has not yet appeared in a publication compiled outside North America. Passages of the 1973 Endangered Species Act (ESA) carried with it the assumption that endangered species would be delisted as their populations recovered. It assumed they would then thrive under existing regulations and the protections afforded under the ESA would no longer be needed. However, eighty percent of species currently listed under the ESA fail to meet that assumption. To survive, they require species-specific conservation interventions (e.g. control of predators, competitors, nest parasites, prescribed burns, altered hydrological processes, etc.) and thus they are conservation-reliant. The criteria for assessing whether a species is conservation-reliant are: Threats to the species’ continued existence are known and treatable. The threats are pervasive and recurrent, for example: nest parasites, non-native predators, human disturbance. The threats render the species at risk of extinction, absent ongoing conservation management. Management actions sufficient to counter threats have been identified and can be implemented, for example: prescribed fires, restrictions on grazing or public access, predator or parasite control. National, state or local governments, often in cooperation with private or tribal interests, are capable of carrying out the necessary management actions as long as necessary.

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