期刊
SOUTH AFRICAN JOURNAL OF BOTANY
卷 152, 期 -, 页码 321-331出版社
ELSEVIER
DOI: 10.1016/j.sajb.2022.11.046
关键词
Tropical botanical garden; Ex-situ conservation; Trait-based assessment; Invasion ecology
Invasive alien/exotic species pose a major global threat to plant extinctions. Interestingly, many threatened exotic species are found in Botanical Gardens worldwide. This study used the Tropical Weed Risk Assessment Procedure (TWRAP) to evaluate the invasion risk of selected threatened exotic plant species in Indonesian Botanical Gardens.
Invasive alien / exotic species (IAS) are one of the major global threat that contributing to plant extinctions. Interestingly, there are also many exotic species that are threatened with extinction that are housed in Botanical Gardes throughout the world. We defined threatened species as plant species with Red List IUCN category of VU (vulnerable), EN (endangered), CR (critically endangered). We excluded other Red List catego-ries such as NT (near threatened), LC (least concern), DD (data deficient), and NE (not evaluated). We used Tropical Weed Risk Assessment Procedure (TWRAP) to estimate the risk of invasion of selected threatened exotic plant species in Indonesian Botanical Gardens. The climate suitability and seed traits were considered as the main source of scoring variability between assessors in this study that directly contribute to the TWRAP score results uncertainty. This study showed that rapid scoring risk assessment can be conducted practically and feasibly to support invasion risk management of threatened botanical garden species. Invasive species risk assessment is crucial to be conducted for botanical garden exotic species with important conser-vation status, to allow botanical garden management to properly managed the risk of invasion while also conserve these threatened species as botanical garden species.(c) 2022 SAAB. Published by Elsevier B.V. All rights reserved.
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