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Assessing the invasion risk of botanical garden's exotic threatened collections to adjacent mountain forests: A case study of cibodas botanical Garden

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Journal of Mountain Science 2021年第7期18卷 1847-1855页

作者： JUNAEDI Decky Indrawan PUTRI Dwinda Mariska KURNIAWAN Vandra cibodas botanical gardens Indonesian Institute of Sciences(LIPI)Jl.Kebun Raya CibodasSindanglayaCipanasCianjurWest Java43253Indonesia

A primary objective of botanical gardens is to conserve threatened plant species from different regions and ***,such ex-situ conservation practices for exotic plant species may pose a significant plant invasion *** this study,we predict the naturalization probability of exotic threatened plant species of cibodas botanical Garden(CBG) collections based on leaf trait(specific leaf area,SLA) or as a function of invasion risk assessment scoring system(Tropical Weed Risk Assessment Protocol,TWRAP).We found that SLA and TWRAP were positively correlated with naturalization *** TWRAP model produced higher predictive probabilities with larger uncertainty compared to SLA *** cereifera and Burretiodendron hsienmu are two species that have highest naturalization probability based on SLA *** oblongata has the highest naturalization probability based on TWRAP *** practical and management point of view,we recommend the simultaneous use of SLA-based and TWRAP-based invasive species risk assessment to estimate the naturalization risk of exotic threatened collections of botanical gardens to adjacent mountain ***,given the important conservation value of threatened exotic collection of botanical garden,we need to be aware with the invasion risks of these *** threatened condition of a plant species is not only caused by its natural characteristics but also may be caused(in fact mostly confounding with) by external disturbance either natural catastrophic or human related ***,a threatened species may not necessarily a noninvasive species outside their natural distribution ranges.

关键词： Leaf trait Specific leaf area Invasion ecology Tropical mountain forest Risk assessment Scoring assessment cibodas botanic gardens

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