Journal
NATURAL RESOURCE MODELING
Volume 22, Issue 2, Pages 322-343Publisher
WILEY
DOI: 10.1111/j.1939-7445.2008.00038.x
Keywords
Bioeconomics; diffusion; fisheries management; marine protected areas; marine reserves; maximum yield; spatial models
Funding
- National Science Foundation [DMS-0532378, DEB-0235692]
- Woods Hole Oceanographic Institution's Ocean Life Institute
- Xavier University summer fellowship
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We present a mathematical model for the growth, movement, and harvesting of a renewable resource, and characterize the spatiotemporal distribution of harvest effort which maximizes the present value of harvest (yield) over a finite time horizon. We derive the optimality system for this model and show that the yield-maximizing solution often includes one or more no-take reserves that change in size over time. We explore how the results change with varying parameter values. The results inform ongoing debate about the use of reserves, and are increasingly relevant as technology enables enforcement of spatially structured harvest constraints.
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