IUCN Guidelines on Reintroductions and other Conservation Translocations

These Guidelines define terms and set out guidance on the justification, design, and implementation of any reintroduction or conservation translocation, including (i) reinforcement and reintroduction within a species’ indigenous range, and (ii) conservation introductions, comprising assisted colonisation and ecological replacement, outside a species’ indigenous range. The Guidelines focus on conservation translocations, namely a translocation that yields quantifiable conservation benefit. For this purpose, the beneficiaries should be the population or the ecosystem of the translocated species. Translocation needs rigorous justification. Feasibility assessment should include a balance of the conservation benefits against the costs and risks of both the translocation and alternative conservation actions. There are multiple  risks in a translocation, affecting the focal species, their associated communities and ecosystem functions in both source and destination areas; there are also risks around human concerns. Any proposed translocation should have a comprehensive risk assessment.

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