Invasive alien plants in the Qinghai-Tibetan Plateau (China): Current state and future predictions

•A total of 197 invasive alien plant species were identified on the Qinghai-Tibetan Plateau region.•The distribution was found to be concentrated in Sichuan, Tibet, Yunnan, and Qinghai, China.•The potential distribution area accounted for approximately 29.92 % of the total Qinghai-Tibetan Plateau re...

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Veröffentlicht in:Ecological indicators 2024-09, Vol.166, p.112488, Article 112488
Hauptverfasser: Chu, Qingshuai, Liu, Yanjiang, Peng, Changyang, Zhang, Yulong, Cernava, Tomislav, Qiong, La, Zhou, Yonghong, Siddiqui, Junaid Ali, Ghani, Muhammad Imran, Wang, Qiran, Liu, Yuan, Chen, Xiaoyulong
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Sprache:eng
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Zusammenfassung:•A total of 197 invasive alien plant species were identified on the Qinghai-Tibetan Plateau region.•The distribution was found to be concentrated in Sichuan, Tibet, Yunnan, and Qinghai, China.•The potential distribution area accounted for approximately 29.92 % of the total Qinghai-Tibetan Plateau region.•The potential distribution area was predicted to increase by 32.72–59.39 % by 2050. Invasive alien plants have received increasing attention due to their worldwide environmental impacts, ecological concerns, and significant economic consequences. The Qinghai-Tibetan Plateau is an important global biodiversity hotspot hosting rich biodiversity and serving as a crucial component of the southwest ecological security barrier, with global conservation value. However, in recent years, invasive plants have been detrimental to the conservation of biodiversity and native ecosystems on the Qinghai-Tibetan Plateau. Here, 197 invasive plant species were recognized from the Qinghai-Tibetan Plateau, encompassing 133 genera across 47 families. We used the maximum entropy model (MaxEnt) method to predict the potential distribution of invasive alien plants on the Qinghai-Tibetan Plateau. Furthermore, potential geographic distribution regions suitable for 43 invasive alien plant species were found to be primarily concentrated in central and eastern Qinghai, southern and eastern Tibet, southwest Xinjiang, and the Qinghai-Tibetan Plateau part of Sichuan, Yunnan, and Gansu in China. Notably, the current potential distribution area for all 43 invasive alien plant species accounts for 29.92 % of the total area, with an increase of 32.72–59.39 % projected by 2050. Moreover, risk screening results confirm the high risk of invasion of most alien plants on the Qinghai-Tibetan Plateau. This study provides a foundation for assessing the risks associated with introducing and managing invasive alien plants in the region. It also offers scientific support for conserving the Qinghai-Tibetan Plateau’s unique biodiversity, ecological originality, and sustainable development during economic growth.
ISSN:1470-160X
DOI:10.1016/j.ecolind.2024.112488