Managing aquatic invasions optimal locations and operating times for watercraft inspection stations

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dc.contributor.authorFischer, Samuel M
dc.contributor.authorBeck, Martina
dc.contributor.authorHerborg, Leif-Matthias
dc.contributor.authorLewis, Mark A
dc.date.accessioned2025-05-01T12:01:44Z
dc.date.available2025-05-01T12:01:44Z
dc.date.issued2020-03-12
dc.descriptionAquatic invasive species (AIS) cause signicant ecological and economic damages around the world. A major spread mechanism for AIS is trac of boaters transporting their watercraft from invaded to uninvaded waterbodies. To inhibit the spread of AIS, Canadian provinces and American states often set up watercraft inspection stations at roadsides, where potentially infested boats are screened for AIS and, if necessary, decontaminated. However, since budgets for AIS control are limited, watercraft inspection stations can only be operated at specic locations and daytimes. Though theoretical studies provide managers with general guidelines for AIS management, more specic results are needed to determine when and where watercraft inspections would be most eective. This is the subject of this paper. We show how linear integer programming techniques can be used to optimize watercraft inspection policies under budget constraints. We introduce our approach as a general framework and apply it to the prevention of the spread of zebra and quagga mussels (Dreissena spp.) to the Canadian province of British Columbia. We consider multiple scenarios and show how variations in budget constraints, propagule sources, and model uncertainty aect the optimal policy. Based on these results, we identify simple, generally applicable principles for optimal AIS management.
dc.identifier.doihttps://doi.org/10.7939/r3-wrna-b426
dc.language.isoen
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectaquatic invasive species
dc.subjectlinear integer programming
dc.subjectoptimal management
dc.subjectspatially explicit
dc.subjectzebra mussel
dc.titleManaging aquatic invasions optimal locations and operating times for watercraft inspection stations
dc.typehttp://purl.org/coar/resource_type/c_6501 http://purl.org/coar/version/c_b1a7d7d4d402bcce http://purl.org/coar/version/c_71e4c1898caa6e32
ual.jupiterAccesshttp://terms.library.ualberta.ca/public

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