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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0132358
论文题名:	Extreme Food-Plant Specialisation in Megabombus Bumblebees as a Product of Long Tongues Combined with Short Nesting Seasons
作者:	Jiaxing Huang; Jiandong An; Jie Wu; Paul H. Williams
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-8-12
卷:	10, 期:8
语种:	英语
英文关键词:	Bumblebees ; Phylogenetic analysis ; Bees ; Speciation ; Species diversity ; Phylogenetics ; Plateaus ; Tongue
英文摘要:	Megabombus bumblebees have unusually long tongues and are generally more specialised than other bumblebees in their choice of food plants. The phylogeny of Megabombus bumblebees shows that speciation was concentrated in two periods. Speciation in the first period (ca 4.25–1.5 Ma) is associated with the late rise of the Hengduan Mountains at the eastern end of the Qinghai-Tibetan plateau. Speciation in the second period (1.2–0.3 Ma) is associated with climatic cooling in the northern forests. The most extreme food-specialist species belong to the second period, which may point to climate as a factor in specialisation. These extreme specialist species occur either in the far north (Bombus consobrinus), or at high elevations (Bombus gerstaeckeri), in situations where long tongues coincide with the shortest nesting seasons. Species with the longest tongues but occurring further south (even at high elevations) use a broader range of food plants.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0132358&type=printable
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资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/21534
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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作者单位:

Key Laboratory for Insect-Pollinator Biology of the Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China;Key Laboratory for Insect-Pollinator Biology of the Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China;Key Laboratory for Insect-Pollinator Biology of the Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China;Key Laboratory for Insect-Pollinator Biology of the Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China;Department of Life Sciences, The Natural History Museum, London SW7 5BD, United Kingdom

Recommended Citation:

Jiaxing Huang,Jiandong An,Jie Wu,et al. Extreme Food-Plant Specialisation in Megabombus Bumblebees as a Product of Long Tongues Combined with Short Nesting Seasons[J]. PLOS ONE,2015-01-01,10(8)

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