Simulated warming enhances biological invasion of Solidago canadensis and Bidens frondosa by increasing reproductive investment and altering flowering phenology pattern.

Simulated warming enhances biological invasion of Solidago canadensis and Bidens frondosa by increasing reproductive investment and altering flowering phenology pattern.
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模拟变暖通过增加生殖投入和改变开花物候模式来增强加拿大一枝黄花和鬼针草的生物入侵

DOI:
10.1038/s41598-018-34218-9
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发表时间:
2018-10-30
期刊:
影响因子:
4.6
通讯作者:
Hu W
Hu W
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Cao Y;Xiao Y;Zhang S;Hu W

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气候变化引起的植物物候和生殖变化对种群动态有重要影响。气候变化也可能通过改变物候和繁殖来影响入侵物种,但很少有研究探讨这种可能性。在这里,我们调查了气候变化对两个外来加拿大一枝黄花和鬼针草和一个本地杂草,Pterocypsela laciniata,所有这些都是在菊科植物的物候,繁殖和入侵潜力的影响。3种植物对模拟气候变化的响应表现为增加生殖投入和根/叶比,延长开花持续时间,而2种外来植物也表现为群体开花模式。此外,我们的实验结果表明,外来入侵物种可能有更大的物候可塑性,以响应模拟变暖比本地物种(P. laciniata)。因此,气候变化可能会增强这些外来植物物种的入侵并加速其入侵过程。
Phenological and reproductive shifts of plants due to climate change may have important influences on population dynamics. Climate change may also affect invasive species by changing their phenology and reproduction, but few studies have explored this possibility. Here, we investigated the impact of climate change on the phenology, reproduction and invasion potential of two alien Solidago canadensis and Bidens frondosa and one native weed, Pterocypsela laciniata, all of which are in the Asteraceae family. The three species responded to simulated climate change by increasing reproductive investments and root/leaf ratio, prolonging flowering duration, and while the two alien species also displayed a mass-flowering pattern. Moreover, our experimental results indicated that the alien invasive species may have greater phenological plasticity in response to simulated warming than that of the native species (P. laciniata). As such, climate change may enhance the invasion and accelerate the invasive process of these alien plant species.
DOI: 10.1890/10-2060.1
发表时间: 2011-06-01
期刊: ECOLOGY
影响因子: 4.8
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