Spatial and temporal dynamics of the male effective population size in bumblebees (Hymenoptera: Apidae)
Spatial and temporal dynamics of the male effective population size in bumblebees (Hymenoptera: Apidae)
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熊蜂雄性有效种群规模的时空动态（膜翅目：蜜蜂科）
DOI：
10.1007/s10144-011-0285-2
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发表时间：
2011
影响因子：
1.7
通讯作者：
Wolf S
中科院分区：
文献类型：
--
作者：
Wolf S
熊蜂（Bombus spp.）与单倍体和二倍体物种相比，增强了种群衰退的有害效应，加剧了种群适合度的退化。高度分散的男性可能是连接其他孤立人群的主要驱动力。因此，我们利用微卫星DNA标记研究了熊蜂（Bombus terrestris）和熊蜂（Bombus lapidarius）雄性种群的时空结构。我们发现，在1000平方米的采样区域，大多数男性来自位于工蜂觅食范围之外的群体，这与群体之间的遗传距离一致。基于随时间推移的菌落检测率和聚类软件STRUCTURE的时间人口子结构分析一致地表明一个大的和时间上非结构化的男性人口。我们的研究结果表明，这两个物种的男性飞行距离延长。虽然蜂王扩散的范围还有待研究，但雄蜂交配飞行范围（Am）的扩大超过工蜂觅食距离的1.66倍（Am= 69.75 km 2）和1.74倍（Am= 13.41 km 2），B。特里斯坦湾lapidarius，分别。因此，这种行为可能会抵消遗传剥夺及其影响。所有种群的遗传高度多样性，没有近亲繁殖的迹象。我们讨论了我们的研究结果的背景下，大黄蜂种群动态和保护的影响。我们还强调了对工人和男性进行群体遗传学研究的影响和益处。
Eusociality and male haploidy of bumblebees (Bombus spp.) enhance the deleterious effects of population decline and aggravate the degeneration of population fitness compared to solitary and diploid species. The highly dispersive male sex may be the prime driver to connect otherwise isolated populations. We therefore studied the temporal and spatial structure of the male population ofBombus terrestris(Linnaeus 1758) andBombus lapidarius(Linnaeus 1758) using microsatellite DNA markers. We found that the majority of the males in a 1000 m² sampling area originated from colonies located outside of the workers foraging range, which was consistent with the genetic distances among colonies. The analyses of temporal population sub-structure based on both colony detection rate over time and the clustering software STRUCTURE consistently suggested one large and temporally unstructured male population. Our results indicate an extended male flight distance for both species. Though the range of queen dispersal remains to be studied, the effective size (Ne) of bumblebees is increased by extended male mating flight ranges (Am) exceeding worker foraging distance by factor 1.66 (Am= 69.75 km2) and 1.74 (Am= 13.41 km2),B. terrestrisandB. lapidarius, respectively. Thus this behaviour may counteract genetic deprivation and its effects. All populations were genetically highly diverse and showed no signs of inbreeding. We discuss the implications of our findings in context of bumblebee population dynamics and conservation. We also highlight the effects and benefits of sampling both workers and males for population genetic studies.
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影响因子：
3.3
作者：
J. K. Pritchard;Matthew Stephens;Peter Donnelly
通讯作者：
J. K. Pritchard;Matthew Stephens;Peter Donnelly
影响因子：
3.4
作者：
Goulson, Dave;Lye, Gillian C.;Darvill, Ben
通讯作者：
Darvill, Ben
传粉媒介减少的群体遗传方面
DOI：
--
发表时间：
2001
期刊：
影响因子：
--
作者：
L. Packer;R. Owen
通讯作者：
R. Owen
影响因子：
3.8
作者：
A. Zayed
通讯作者：
A. Zayed
雄性熊熊（膜翅目：蜜蜂科）在成熟巢中的聚集。
影响因子：
2.4
作者：
B. Darvill;G. Lye;Dave Goulson
通讯作者：
Dave Goulson