Spatial Surveillance of Invasion by Alien Species in a Heterogeneous Ecological Landscape

IF 0.4 Q4 GEOGRAPHY International Journal of Applied Geospatial Research Pub Date : 2020-04-01 DOI:10.4018/ijagr.2020040101

Ugyen Thinley, P. Banterng, R. Katawatin, S. Gonkhamdee

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引用次数: 1

Abstract

Thisarticleisanattempttoassesstheinvasionriskfromthemostnoxiousalienplantspeciesusingthe GPSrecordedlocationsandenvironmentalvariables.Theinvasionriskwasmodelledbycombining thethreeecologicalnichemodellingalgorithms-DesktopGARP,OpenmodellerDesktopGARPand Maxentaftervalidatingtheiraccuracies.Theaccuraciesrangedfrommoderatetogoodinallthe algorithms,forallsixspecies.TheresultshowedAgeratinaadenophoraandAgeratumconyzoidesas highlyinvasivespeciesbothintermsofareacoverageandtheecologicaltolerancerangeofthestudy site.Itwasalsoindicativethat,irrespectiveofthespecies,agriculturallandsaremostsusceptibleto invasionamongallothertypesoflandusesinthestudyarea. KEywoRdS AUC, Ecological Niche Modelling, GARP, Invasion Risk, Maxent

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异质生态景观中外来物种入侵的空间监测

Thisarticleisanattempttoassesstheinvasionriskfromthemostnoxiousalienplantspeciesusingthe GPSrecordedlocationsandenvironmentalvariables。Theinvasionriskwasmodelledbycombining thethreeecologicalnichemodellingalgorithms-DesktopGARP，OpenmodellerDesktopGARPand Maxentaftervalidatingtheiraccuracies。Theaccuraciesrangedfrommoderatetogoodinallthe算法，forallsixspecies。TheresultshowedAgeratinaadenophoraandAgeratumconyzoidesas highlyinvasivespeciesbothintermsofareacoverageandtheecologicaltolerancerangeofthestudy网站。Itwasalsoindicativethat，irrespectiveofthespecies，agriculturallandsaremostsusceptibleto invasionamongallothertypesoflandusesinthestudyarea。关键词AUC，生态位模型，GARP，入侵风险，Maxent

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