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000061375 084__ $$aQ
000061375 084__ $$aQ1
000061375 084__ $$aQ2
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000061375 245__ $$aOptimal control of spatial-dynamic processes: The case of biological invasions
000061375 260__ $$c2010
000061375 269__ $$a2010
000061375 270__ $$mrsniell@ucdavis.edu$$pEpanchin-Niell,   Rebecca S.
000061375 300__ $$a41
000061375 336__ $$aConference Paper/ Presentation
000061375 490__ $$aSelected Paper
000061375 490__ $$a11181
000061375 520__ $$aThis study examines the spatial nature of optimal bioinvasion control. We develop and parameterize a spatially explicit two-dimensional model of species spread that allows for differential control across space and time, and we solve for optimal control strategies. We find that the qualitative nature of optimal strategies depend in interesting ways on aspects of landscape and invasion geometry. For example, we show that reducing the extent of exposed invasion edge, through spread, removal, or strategically employing landscape features, can be an optimal strategy because it reduces long-term containment costs. We also show that optimal invasion control is spatially and temporally “forward-looking” in the sense that strategies should be targeted to slow the spread of an invasion in the direction of greatest potential long-term damages. These and other novel findings contribute to the largely nonspatial literature on optimally controlling invasions and to understanding control of spatial-dynamic processes in general.
000061375 542__ $$fLicense granted by Rebecca Epanchin-Niell (niell@primal.ucdavis.edu) on 2010-05-03T13:48:46Z (GMT):

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000061375 650__ $$aEnvironmental Economics and Policy
000061375 650__ $$aLand Economics/Use
000061375 650__ $$aResource /Energy Economics and Policy
000061375 6531_ $$ainvasive species
000061375 6531_ $$aspatial-dynamic processes
000061375 6531_ $$aspatial spread
000061375 6531_ $$areaction-diffusion
000061375 6531_ $$amanagement
000061375 6531_ $$acellular automaton
000061375 6531_ $$aeradication
000061375 6531_ $$acontainment
000061375 6531_ $$aspatial control
000061375 6531_ $$ainteger programming
000061375 700__ $$aEpanchin-Niell, Rebecca S.
000061375 700__ $$aWilen, James E.
000061375 8564_ $$s2579511$$uhttp://ageconsearch.umn.edu/record/61375/files/Epanchin_Niell%20and%20Wilen%2011181.pdf
000061375 887__ $$ahttp://purl.umn.edu/61375
000061375 909CO $$ooai:ageconsearch.umn.edu:61375$$qGLOBAL_SET
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  Previous issue date: 2010
000061375 982__ $$gAgricultural and Applied Economics Association>2010 Annual Meeting, July 25-27, 2010, Denver, Colorado
000061375 980__ $$a320