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dc.contributor.authorShyu, Esther  Concept link
dc.contributor.authorPardini, Eleanor A.  Concept link
dc.contributor.authorKnight, Tiffany M.  Concept link
dc.contributor.authorCaswell, Hal  Concept link
dc.date.accessioned2014-02-27T20:20:48Z
dc.date.available2014-02-27T20:20:48Z
dc.date.issued2013-12
dc.identifier.citationEcological Applications 23 (2013): 1893–1905en_US
dc.identifier.urihttps://hdl.handle.net/1912/6465
dc.descriptionAuthor Posting. © Ecological Society of America, 2013. This article is posted here by permission of Ecological Society of America for personal use, not for redistribution. The definitive version was published in Ecological Applications 23 (2013): 1893-1905, doi:10.1890/12-1712.1.en_US
dc.description.abstractThe population effects of harvest depend on complex interactions between density dependence, seasonality, stage structure, and management timing. Here we present a periodic nonlinear matrix population model that incorporates seasonal density dependence with stage-selective and seasonally selective harvest. To this model, we apply newly developed perturbation analyses to determine how population densities respond to changes in harvest and demographic parameters. We use the model to examine the effects of popular control strategies and demographic perturbations on the invasive weed garlic mustard (Alliaria petiolata). We find that seasonality is a major factor in harvest outcomes, because population dynamics may depend significantly on both the season of management and the season of observation. Strategies that reduce densities in one season can drive increases in another, with strategies giving positive sensitivities of density in the target seasons leading to compensatory effects that invasive species managers should avoid. Conversely, demographic parameters to which density is very elastic (e.g., seeding survival, second-year rosette spring survival, and the flowering to fruiting adult transition for maximum summer densities) may indicate promising management targets.en_US
dc.description.sponsorshipThis work was supported by the National Science Foundation (grant DEB-0816514), the National Research Initiative of the USDA Cooperative State Research, Education and Extension Service (grant 05-2290), the Alexander von Humboldt Foundation, and the Academic Programs Office at WHOI.en_US
dc.format.mimetypeapplication/pdf
dc.language.isoen_USen_US
dc.publisherEcological Society of Americaen_US
dc.relation.urihttps://doi.org/10.1890/12-1712.1
dc.subjectAlliaria petiolataen_US
dc.subjectCeutorhynchus scrobicollisen_US
dc.subjectCompensatory mortalityen_US
dc.subjectDensity dependenceen_US
dc.subjectGarlic mustarden_US
dc.subjectHarvesten_US
dc.subjectInvasive speciesen_US
dc.subjectPeriodic matrix modelsen_US
dc.subjectPerturbation analysisen_US
dc.subjectSeasonalityen_US
dc.titleA seasonal, density-dependent model for the management of an invasive weeden_US
dc.typeArticleen_US
dc.identifier.doi10.1890/12-1712.1


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