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• W2906747153 abstract "Ecological management and decision-making typically focus on uncertainty about the future, but surprisingly little is known about how to account for uncertainty of the present: that is, the realities of having only partial or imperfect measurements. Our primary paradigms for handling decisions under uncertainty—the precautionary principle and optimal control—have so far given contradictory results. This paradox is best illustrated in the example of fisheries management, where many ideas that guide thinking about ecological decision-making were first developed. We find that simplistic optimal control approaches have repeatedly concluded that a manager should increase catch quotas when faced with greater uncertainty about the fish biomass. Current best practices take a more precautionary approach, decreasing catch quotas by a fixed amount to account for uncertainty. Using comparisons to both simulated and historical catch data, we find that neither approach is sufficient to avoid stock collapses under moderate observational uncertainty. Using partially observed Markov decision process (POMDP) methods, we demonstrate how this paradox arises from flaws in the standard theory, which contributes to overexploitation of fisheries and increased probability of economic and ecological collapse. In contrast, we find that POMDP-based management avoids such overexploitation while also generating higher economic value. These results have significant implications for how we handle uncertainty in both fisheries and ecological management more generally." @default.
• W2906747153 created "2019-01-11" @default.
• W2906747153 creator A5001542628 @default.
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• W2906747153 date "2019-05-01" @default.
• W2906747153 modified "2023-10-17" @default.
• W2906747153 title "Resolving the Measurement Uncertainty Paradox in Ecological Management" @default.
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• W2906747153 doi "https://doi.org/10.1086/702704" @default.
• W2906747153 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/31002569" @default.
• W2906747153 hasPublicationYear "2019" @default.
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