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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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Leaf thickness and elevation explain naturalized alien species richness in a tropical mountain forest: A case study from Mount Gede-Pangrango National Park,Indonesia

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Journal of Mountain Science 2021年第7期18卷 1837-1846页

作者： Decky Indrawan JUNAEDI Imawan Wahyu HIDAYAT Muhammad EFENDI Zaenal MUTAQIEN Musyarofah ZUHRI Taufikurrahman NASUTION Fitri KURNIAWATI Muhammad Imam SURYA Lily ISMAINI Aisyah HANDAYANI Andes Hamuraby ROZAK cibodas Botanic gardens Research Center for Plant Conservation and Botanic Gardens-Indonesian Institute of Sciences(LIPI)Jl.Kebun Raya CibodasCipanas CianjurWest Java 43253Indonesia

Exotic plant invasion is one of the major causes of species *** many contexts,mountainous forests are the last refuge for native *** are several inventory studies conducted in mountainous and tropical forests in ***,there are no studies yet on the factors that explain the abundance and richness of surveyed naturalized alien *** study investigated whether the number of individuals and abundanceweighted species richness(AWR) of naturalized alien plant species in the hiking-trail of Mount GedePangrango National Park(MGPNP) forest area correlated with leaf traits(specific leaf area(SLA) and leaf thickness) and environmental factors(elevation,slope,and normalized difference vegetation index(NDVI)).We showed that leaf thickness and habitat elevation explained the AWR variations of naturalized alien *** did not detect any important effect of leaf traits and environmental factors on the number of individuals per exotic species per *** influence of leaf thickness and habitat elevation indicates the important role of both biotic and abiotic factors on exotic species to develop a high species richness and become an invasive species in the tropical mountain forest ecosystem.

关键词： Invasive species Hiking trail cibodas Biosphere Reserve Invasion ecology SLA

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