Invasive bumble bee disrupts a pollination mutualism over space and time

Invasive bumble bee disrupts a pollination mutualism over space and time
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入侵的大黄蜂破坏了空间和时间上的授粉互利共生

DOI:
10.1007/s10530-022-02729-2
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发表时间:
2022
影响因子:
2.9
通讯作者:
Chalcoff V
Chalcoff V
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Chalcoff V

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入侵传粉者可以扰乱当地的授粉互惠。我们研究了阿根廷巴塔哥尼亚西北部的欧洲熊蜂入侵对当地豆科植物黑豆与其主要传粉者当地熊蜂之间授粉互惠的影响。以及它对植物繁殖的影响。我们通过熊蜂和V的繁殖量来评估访问频率。黑猩猩在2006年入侵之前和之后,跨越了空间(12个地点)和时间(从1999年到2012年的五个季节)。2012年,我们研究了两种大黄蜂的行为、访蜂次数、采蜜情况、采蜜量、花粉沉降量和质量以及大黄蜂的繁殖量。在B的梯度上的五个位置的子集中的黑色。恐怖入侵。入侵六年后,B.terrestris成为V的最频繁的访问者和花蜜窃贼。黑人送花,拜拜。大麦的开花率为50%,座果率为43%,每果种子数为32%。这种对植物繁殖的不利影响是由于BYB高频率盗蜜造成的。野生大黄蜂的数量减少,花蜜耗尽,以及当地大黄蜂合法访问的减少,进而导致高质量花粉沉积的减少。我们的研究表明,生物入侵可以通过将植物-传粉者的互惠关系替换为植物-花蜜大盗的拮抗作用来改变生态相互作用,从而扰乱植物繁殖并破坏种群的长期生存能力。这一结论提出了规范非本土传粉者国际贸易的迫切需要。
Invasive pollinators can disrupt native pollination mutualisms. We investigated the impact of the invasion of the European bumble beeBombus terrestrisin NW Patagonia, Argentina, on the pollination mutualism between the native legumeVicia nigricansand its main pollinator, the native bumble beeB. dahlbomii, and its consequences on plant reproduction. We assessed visitation frequency by both bumble bees and reproductive output ofV. nigricansacross space (in 12 sites) and time (over five seasons, from 1999 to 2012), before and after invasion in 2006. In 2012, we studied the behavior, visitation frequency, and nectar consumption by both bumble bees, the nectar consumed, the quantity and quality of pollen deposited and the reproductive output ofV. nigricansin a subset of five sites across a gradient ofB. terrestrisinvasion. Six years after invasion,B. terrestrisbecame the most frequent visitor and nectar robber ofV. nigricansflowers, while visits byB. dahlbomiidropped by 50%, fruit set by 43% and seeds per fruit by 32%. This detrimental effect on plant reproduction resulted from the high frequency of nectar robbing byB. terrestris, the nectar depletion, and the concomitant reduction of legitimate visits by the native bumble bee, which in turn lead to a decreased deposition of high quality pollen. Our study demonstrates that biological invasions can alter ecological interactions by replacing a plant-pollinator mutualism by a plant-nectar robber antagonism, hence disrupting plant reproduction and undermining long-term population viability. This conclusion raises the urgent need to regulate the international trade of non-native pollinators.
本地大黄蜂被外来大黄蜂取代:传粉媒介效率降低,但造访频率极高
DOI: --
发表时间: 2008
期刊: Oecologia
影响因子: 2.7
作者:
Josefin A. Madjidian;C. Morales;Henrik G. Smith
通讯作者: Henrik G. Smith
欧洲大黄蜂 Bombus terrestris 在巴塔哥尼亚灌木紫红色上抢夺花蜜的地理分布和性状介导的原因
DOI: --
发表时间: 2016
期刊:
影响因子: --
作者:
Carlos E. Valdivia;José P. Carroza;J. I. Orellana
通讯作者: J. I. Orellana
DOI: 10.1038/s41598-021-94898-8
发表时间: 2021-07-27
期刊: Scientific reports
影响因子: 4.6
作者:
Fontúrbel FE;Murúa MM;Vieli L
通讯作者: Vieli L
DOI: 10.18637/jss.v032.b01
发表时间: 2009-11
影响因子: 5.8
作者:
Aaron M. Christ
通讯作者: Aaron M. Christ
DOI: 10.1098/rspb.2017.0204
发表时间: 2017-07-26
影响因子: 4.7
作者:
Arbetman, Marina P.;Gleiser, Gabriela;Aizen, Marcelo A.
通讯作者: Aizen, Marcelo A.