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Paul H. Williams
American Museum of Natural History
199Publications
60H-index
12.9kCitations
Publications 201
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Arctic and alpine species are expected to be particularly vulnerable to climate change as they inhabit areas of extreme climates. To understand how such species may respond, we compared two groups of bumblebees that specialise in arctic (Alpinobombus) and alpine (Mendacibombus) biomes. These bumblebee species are all extreme cold specialists with similar ecological niches, making them good candidate species for comparison of how groups inhabiting different biomes may respond to climate change. U...
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#1Paul H. Williams (AMNH: American Museum of Natural History)H-Index: 60
#2Mikhail V. BerezinH-Index: 1
Last.Alexandr M. Byvaltsev (NSU: Novosibirsk State University)H-Index: 2
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The bumblebees of the subgenus Alpinobombus of the genus Bombus are unusual among bees for specialising in many of the most northerly vegetated arctic habitats on Earth. Most named taxa in this group (37 available names from a total of 67 names) were described originally from differences in the colour patterns of the hair. Previous revisions have shown unusually little agreement, recognising a range of 6‒9 species, in part because of pronounced intraspecific variation in both skeletal morphology...
1 CitationsSource
#1Chainarong SinpooH-Index: 1
Last.Panuwan ChantawannakulH-Index: 18
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1 CitationsSource
#1Paul H. Williams (University of Cambridge)H-Index: 60
#2Zarah Walsh-Korb (University of Cambridge)H-Index: 2
Last.Oren A. Scherman (University of Cambridge)H-Index: 51
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The ability to control supramolecular and macroscopic self-assembly and disassembly holds great potential for responsive, reversible adhesives that can efficiently broker stresses accumulated between two surfaces. Here, cucurbit[8]uril is used to directly adhere two functionalized mica substrates creating surface–surface interactions that are held together through photoreversible CB[8] heteroternary complexes. Comparison of single-molecule, bulk, and macroscopic adhesion behavior give insight in...
1 CitationsSource
#1Paul H. Williams (Natural History Museum)H-Index: 60
#2Jorge M. Lobo (CSIC: Spanish National Research Council)H-Index: 48
Last.Andrea S. Meseguer (SupAgro)H-Index: 9
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Many claims that uplift of the Qinghai-Tibetan plateau (QTP) drove the divergences of extant high-elevation biota have recently been challenged. For Mendacibombus bumblebees, high-elevation specialists with distributions centred on the QTP, we examine broader explanations. We extend integrative biogeography to cover multiple contributing factors by using a framework of sequential filters: 1) molecular evidence from four genes is used to estimate phylogenetic relationships, with time calibration ...
6 CitationsSource
#2Paul H. Williams (Natural History Museum)H-Index: 60
Last.James C. Carolan (MU: Maynooth University)H-Index: 14
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2 CitationsSource
#1Marina P. Arbetman (CONICET: National Scientific and Technical Research Council)H-Index: 7
#2Gabriela Gleiser (CONICET: National Scientific and Technical Research Council)H-Index: 10
Last.Marcelo A. Aizen (CONICET: National Scientific and Technical Research Council)H-Index: 45
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Conservation biology can profit greatly from incorporating a phylogenetic perspective into analyses of patterns and drivers of species extinction risk. We applied such an approach to analyse patter...
21 CitationsSource
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