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Measurement uncertainty matters: ecological management using POMDPs

View ORCID ProfileMilad Memarzadeh, View ORCID ProfileCarl Boettiger
doi: https://doi.org/10.1101/055319
Milad Memarzadeh
ESPM Dept, University of California Berkeley, Berkeley CA, USA
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  • For correspondence: cboettig@berkeley.edu
Carl Boettiger
ESPM Dept, University of California Berkeley, Berkeley CA, USA
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  • For correspondence: cboettig@berkeley.edu
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Abstract

Over the past 30 years, researchers have used various approximations to address the impact of measurement uncertainty on optimal management policy.This literature has consistently suggested the counter-intuitive proposition that increasing harvest levels in the presence of measurement error is often optimal. Here, we use state-of-the art algorithms for Partially Observed Markov Decision Processes (POMDPs) to provide the first complete solution to this classic problem, and demonstrate that contrary to previous work, the resulting policy is usually more conservative than without measurement error. We demonstrate that management which underestimates the measurement error results in both low economic returns and high frequency of stock collapses, while overestimating the role of measurement error can still result in nearly-optimal economic performance while avoiding stock collapse.

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Posted May 30, 2016.
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Measurement uncertainty matters: ecological management using POMDPs
Milad Memarzadeh, Carl Boettiger
bioRxiv 055319; doi: https://doi.org/10.1101/055319
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Measurement uncertainty matters: ecological management using POMDPs
Milad Memarzadeh, Carl Boettiger
bioRxiv 055319; doi: https://doi.org/10.1101/055319

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