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Jeff Ollerton
University of Northampton
PollinatorPollinationEcologyBotanyBiology
112Publications
35H-index
6,768Citations
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Publications 110
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#1Jeff Ollerton (University of Northampton)H-Index: 35
#2Narayan P. Koju (Kathmandu)
Last. Bijay Bashyal (TU: Tribhuvan University)
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#1Casper J. van der Kooi (UG: University of Groningen)H-Index: 11
#2Jeff Ollerton (University of Northampton)H-Index: 35
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#1Wujian Xiong (ECNU: East China Normal University)
#2Jeff OllertonH-Index: 35
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#1Paolo Biella (University of Milano-Bicocca)H-Index: 1
#2Asma Akter (Sewanee: The University of the South)H-Index: 4
Last. Jan KleckaH-Index: 10
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Ecological network theory hypothesizes a link between structure and stability, but this has mainly been investigated in-silico. In an experimental manipulation, we sequentially removed four generalist plants from real plant-pollinator networks and explored the effects on, and drivers of, species and interaction extinctions, network structure and interaction rewiring. Our results indicate that cumulative species and interaction extinctions increased faster with generalist plant loss than what was...
1 CitationsSource
#1Hilary E. ErenlerH-Index: 1
#1Hilary E. Erenler (University of Northampton)H-Index: 3
Last. Jeff Ollerton (University of Northampton)H-Index: 35
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Insect pollinators face a number of well-documented threats that challenge their survival at an individual and community level. The effect of extreme events on pollinator assemblages has received little attention to date, partly due to a lack of consensus on what constitutes extreme, but also because robust pre-event data is often lacking. Here, the term SHOCK (Sudden, High-magnitude Opportunity for a Catastrophic ‘Kick’) is used to encompass attributes of extreme events that carry the potential...
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#1Paolo Biella (University of Milano-Bicocca)H-Index: 8
#2Asma Akter (Sewanee: The University of the South)H-Index: 4
Last. Jan KleckaH-Index: 10
view all 7 authors...
Species extinctions undermine ecosystem functioning, with the loss of a small subset of functionally important species having a disproportionate impact. However, little is known about the effects of species loss on plant-pollinator interactions. We addressed this issue in a field experiment by removing the plant species with the highest visitation frequency, then measuring the impact of plant removal on flower visitation, pollinator effectiveness and insect foraging in several sites. Our results...
10 CitationsSource
#1Jeff Ollerton (University of Northampton)H-Index: 35
#2Sigrid Liede-Schumann (University of Bayreuth)H-Index: 16
Last. Zelma Glebya Maciel Quirino (UFPB: Federal University of Paraíba)H-Index: 8
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Background and Aims Large clades of angiosperms are often characterized by diverse interactions with pollinators, but how these pollination systems are structured phylogenetically and biogeographically is still uncertain for most families. Apocynaceae is a clade of >5300 species with a worldwide distribution. A database representing >10 % of species in the family was used to explore the diversity of pollinators and evolutionary shifts in pollination systems across major clades and regions. Metho...
10 CitationsSource
#1Martine J. Barons (Warw.: University of Warwick)H-Index: 4
#2A.M. Hanea (University of Melbourne)H-Index: 12
Last. Norman L Carreck (University of Sussex)H-Index: 21
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Policy-makers often need to rely on experts with disparate fields of expertise when making policy choices in complex, multi-faceted, dynamic environments such as those dealing with ecosystem services. For policy-makers wishing to make evidence-based decisions which will best support pollinator abundance and pollination services, one of the problems faced is how to access the information and evidence they need, and how to combine it to formulate and evaluate candidate policies. This is even more ...
3 CitationsSource
#1André Rodrigo Rech (State University of Campinas)H-Index: 7
#2Leonardo R. Jorge (State University of Campinas)H-Index: 7
Last. Marlies Sazima (State University of Campinas)H-Index: 35
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2 CitationsSource
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