Will climate change promote future invasions?

Will climate change promote future invasions?
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DOI:
10.1111/gcb.12344
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发表时间:
2013-12
影响因子:
11.6
通讯作者:
Courchamp F
Courchamp F
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Bellard C;Thuiller W;Leroy B;Genovesi P;Bakkenes M;Courchamp F

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生物入侵越来越被认为是对生物多样性的最大威胁之一。利用物种分布模型的集合预测来预测 IUCN 定义的“世界上 100 种最严重入侵物种”未来的适宜区域,我们表明气候和土地利用变化可能会导致物种范围发生剧烈变化。着眼于入侵物种的潜在空间聚集,我们确定了欧洲、北美东北部和大洋洲的三个未来入侵热点。我们还强调,一些地区可能会失去大量外来入侵物种,从而为生态系统恢复创造机会。从 100 个列表中,潜在分布范围的情景显示,入侵两栖动物和鸟类的分布范围持续缩小,而水生和陆生无脊椎动物的分布范围预计在大多数情况下将大幅增加。鉴于这些入侵物种目前对生态系统造成的有害影响,这些物种可能会极大地影响生物多样性的未来。
Biological invasion is increasingly recognized as one of the greatest threats to biodiversity. Using ensemble forecasts from species distribution models to project future suitable areas of the “100 of the world’s worst invasive species” defined by the IUCN, we show that both climate and land use changes will likely cause drastic species range shifts. Looking at potential spatial aggregation of invasive species, we identify three future hotspots of invasion in Europe, northeastern North America, and Oceania. We also emphasize that some regions could lose a significant number of invasive alien species, creating opportunities for ecosystem restoration. From the list of 100, scenarios of potential range distributions show a consistent shrinking for invasive amphibians and birds, while for aquatic and terrestrial invertebrates distributions are projected to substantially increase in most cases. Given the harmful impacts these invasive species currently have on ecosystems, these species will likely dramatically influence the future of biodiversity.
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