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The ecology, evolution and conservation the Earth's biodiversity
defines the broad scope of my professional interests. Within this
vast field I mainly (though not exclusively) work on mutualistic
species interactions, in which all participants benefit from the
relationship. Mutualisms are hugely important ecological relationships
that play key roles in determining community structure and ecosystem
function, as well as being the basis for ecosystem services of human
value. My research involves field, laboratory and theoretical investigations,
with a particular emphasis on plant-pollinator relationships, pollinator
diversity, plant reproductive biology, and the evolution of flowers.
As you will see from the range of research that I publish, however,
I've also got interests beyond mutualisms, addressing wider questions
related to how we conserve biodiversity within a rapidly changing
environment. This is also reflected in the research and writing
I do within the area of the history of human understanding and exploitation
of biodiversity, specifically botanical science and horticultural
exploration.
As a member of the Landscape and Biodiversity Research Group at
the University of Northampton, research in the U.K., Australia,
Africa, Tenerife and South America has been funded by grants and
in-kind contributions from a range of sources.
Collaborations with British and international researchers, particularly
PhD, MSc and undergraduate project students, have been incredibly
important to the development of my research and continue to be one
of the most enjoyable aspects of this work.
At the moment I am an Academic Editor for PLoS
ONE and a founding member of the Editorial Board for the Journal
of Pollination Ecology.
As well as the formal academic side of my work, I've acted as consultant
for a number of BBC programmes and cinema documentaries, and regularly
give talks to local natural history and gardening societies.
And when I'm not researching and teaching? I have three kids, an
interest in music, collecting books and gardening, and frequent
cinema trips to keep me busy.
Publications
Ollerton,
J., Chancellor, G. & van Wyhe, J. (2012) John Tweedie and Charles
Darwin in Buenos Aires. Notes and Records of the Royal Society
in press (pdf 209KB)
Ollerton,
J., Price, V., Armbruster, W.S., Memmott, J., Watts, S., Waser,
N.M., Totland, Ø., Goulson, D., Alarcón, R., Stout, J.S. & Tarrant,
S. (2012) Overplaying the role of honey bees as pollinators: A comment
on Aebi and Neumann (2011). Trends in Ecology and Evolution
in press (pdf 91KB)
Munguía-Rosas,
M.A., Parra-Tabla, V., Ollerton, J. & Cervera, C. (2011)
Environmental control of reproductive phenology and the effect of
pollen supplementation on resource allocation in the cleistogamous
weed, Ruellia nudiflora (Acanthaceae). Annals of Botany 2011; doi:
10.1093/aob/mcr284 (pdf 259KB)
Cranmer,
L., McCollin, D. & Ollerton, J. (2011) Landscape structure
influences pollinator movements and directly affects plant reproductive
success. Oikos (pdf 640KB)
Dalsgaard,
B., Magård, E., Fjeldså, J., Martín González, A.M., Rahbek, C.,
Olesen, J.M., Ollerton, J., Alarcón, R., Araujo, A.C., Cotton,
P., Lara, C., Machado, C.C., Sazima, I., Sazima, M., Timmermann,
A., Watts, S., Sandel, B., Sutherland, W.J., Svenning, J.C. (2011)
Specialization in plant-hummingbird networks and the legacy of spatiotemporal
climatic stability during the Late Quaternary. PLoS ONE 6(10):
e25891. (pdf 210KB)
Parra-Tabla,
V., Vargas C.F., Naval, C., Calvo, L.M. & Ollerton, J. (2011)
Population status, reproductive success, and pollen limitation in
an endangered epiphytic tropical orchid found in a fragmented landscape.
Biotropica 43: 640-647 (pdf 183KB)
Rahman,
Md L., Tarrant, S., McCollin, D. and Ollerton, J. (2011) The
conservation value of restored landfill sites in the East Midlands,
UK for supporting bird communities. Biodiversity and Conservation
20: 1879-1893 (pdf 417KB)
Watts,
S., Huamán Ovalle, D., Moreno Herrera, M. & Ollerton,
J. (2011) Pollinator effectiveness of native and non-native
flower visitors to an apparently generalist Andean shrub, Duranta
mandonii (Verbenaceae). Plant Species Biology in
press (pdf 533KB)
Munguía-Rosas,
M.A. Ollerton, J. Parra-Tabla, V. & Arturo De-Nova,
J. (2011) Meta-analysis of phenotypic selection on flowering phenology
suggests that early flowering plants are favoured. Ecology Letters
14: 511-521 (pdf 309KB).
Munguía-Rosas,
M.A. Ollerton, J. & Parra-Tabla, V. (2011) Phenotypic
selection on flowering phenology and size of two dioecious plant
species with different pollen vectors. Plant Species Biology
26: 205-212 (pdf 281KB)
Mayer,
C., Adler, L., Armbruster, W.S. Dafni, A., Eardley, C., Huang, S.-Q.,
Kevan, P.G., Ollerton, J. , Packer, L. Ssymank,
A., Stout, J.C. & Potts, S.G. (2011) Pollination ecology in
the 21st century: key questions for future research. Journal
of Pollination Ecology 3: 8-23 (pdf 426KB).
Waser,
N.M., Ollerton, J. & Erhardt, A. (2011) Typology
in pollination biology: lessons from an historical critique.
Journal of Pollination Ecology 3: 1-7 (pdf 728KB)
Ollerton,
J., Tarrant, S. & Winfree, R. (2011) How many flowering
plants are pollinated by animals? Oikos 120:
321–326 (pdf 110KB).
Dalsgaard, B., Timmermann, A., Martín González, A.M., Olesen, J.M, Ollerton, J. & Andersen, L.H. (2011) Heliconia -hummingbird interactions in the Lesser Antilles: a geographic mosaic? Caribbean Journal of Science in press
Ollerton,
J. (2010) W(h)ither science? Dark Mountain 1: 146-149
(pdf 68KB)
Dalsgaard, B., Timmermann, A., Martín González, A.M., Olesen, J.M.,
Ollerton, J. and Andersen, L.H. (2010) Heliconia-hummingbird
interactions in the Lesser Antilles: a geographic mosaic? Caribbean
Journal of Science (in press).
Erenler, H.E., Ashton, P., Gillman, M. and Ollerton, J.
(2010) Factors determining species richness of soil seed banks in
lowland ancient woodlands. Biodiversity and Conservation
(in press)
Ricciardi,
F., Boyer, M and Ollerton, J. (2010) Assemblage and interaction
structure of the anemonefish-anemone mutualism across the Manado
region of Sulawesi, Indonesia. Environmental Biology of Fishes
87: 333-347 (pdf 365KB).
Ollerton,
J. and Coulthard, E. (2009) Evolution of animal pollination.
Science 326: 808-809 (pdf 234KB)
Ollerton,
J., Alarcón, R., Waser, N.M., Price, M.V., Watts, S., Cranmer, L., Hingston,
A. Peter, C.I. and Rotenberry, J. (2009) A global test of the pollination
syndrome hypothesis. Annals of Botany 103: 1471-1480. (pdf 588KB)
[Appendix
1 (pdf 18KB)] [Appendix
2 (pdf 60KB)] [Appendix
3 (pdf 35KB)] [Appendix
4 (pdf 65KB)]
Ollerton
J., Masinde S., Meve U., Picker M., Whittington A. (2009) Fly
pollination in Ceropegia (Apocynaceae: Asclepiadoideae):
biogeographic and phylogenetic perspectives. Annals of Botany (in
press) (pdf 380KB)
Dalsgaard,
B, Martín González, AM, Olesen, JM, Ollerton, J, Timmermann,
A, Andersen, LH, & Tossas, AG. (2009) Plant-hummingbird interactions
in the West Indies: floral specialisation gradients associated with
environment and hummingbird size. Oecologia 159:757-766 (pdf 290KB)
Ollerton,
J., Cranmer, L., Stelzer, R., Sullivan, S. and Chittka, L. (2009)
Bird pollination of Canary Island endemic plants. Naturwissenschaften
96: 221-232 (pdf 291KB)
Alarcón, R., Waser,
N.M. and Ollerton, J. (2008) Year-to-year variation in the
topology of a plant-pollinator interaction network. Oikos 117: 1796-1807
(pdf 229KB)
Ollerton,
J. (2008) Blogging from Bonn – a personal account of the
pre-COP9 meeting: “Biodiversity Research – Safeguarding
the Future”. Bulletin of the British Ecological Society 39:
35-38 (pdf 1.8MB)
Ollerton,
J. (2008) A Review of: “Ecology
and Evolution of Flowers” by L.D. Harder & S.C.H. Barrett.
Systematic Biology 57: 516 — 517. (pdf 39KB)
Dalsgaard,
B., Martín González, A.M., Olesen,
J.M. Timmermann, A., Andersen, L.H. and Ollerton, J. (2008)
Pollination networks and functional specialization: a test using
Lesser Antillean plant-hummingbird assemblages. Oikos (in press)
(pdf 121KB)
Stelzer,
R.J., Ollerton, J. & Chittka, L. (2007) Keine Nachweis für
Hummelbesuch der Kanarischen Vogelblumen (Hymenoptera: Apidae).
Entomologia Generalis 30: 153-154. (pdf 41KB)
Ollerton,
J.,Grace,
J., & Smith, K. (2007). Pollinator Behaviour and Adaptive Floral
Colour Change in Anthopora alluadii (Hymenoptera: Apidae)
and Erysimum scoparium (Brassicaceae) on Tenerife. Entomologia
Generalis 29: 253-268. (pdf 3.4MB)
Ollerton,J., Killick, A., Lamborn, E., Watts, S. & Whiston,
M. (2007) Multiple meanings and modes: on the many ways to be a
generalist flower. Taxon 56: 717-728 (pdf 283KB)
Ollerton,
J., Stott, A., Allnutt, E., Shove, S., Taylor, C. and Lamborn,
E. (2007) Pollination niche overlap between a parasitic plant and
its host. Oecologia 151: 473-485. (pdf 520KB)
Ollerton,
J., McCollin, D., Fautin, D.G & Allen, G.R. (2007) Finding
NEMO – nestedness engendered by mutualistic organisation in
anemonefish and their hosts. Proceedings of the Royal Society
series B 274: 591-598 (pdf 226KB)
Ollerton,
J. & Raguso, R. (2006) "The sweet stench of decay" New Phytologist
172: 382-385. (pdf 135KB)
Ollerton,
J. (2006) "Biological Barter”: patterns of specialization
compared across different mutualisms. Pp. 411—435 in: Waser,
N.M. & Ollerton, J. (eds.) Plant-Pollinator Interactions:
from Specialization to Generalization. University of Chicago
Press, Chicago, USA. (pdf 4.5MB)
Ollerton,
J. Johnson, S.D. & Hingston, A.B. (2006) Geographical variation
in diversity and specificity of pollination systems. Pp. 283—308
in: Waser, N.M. & Ollerton, J. (eds.) Plant-Pollinator Interactions:
from Specialization to Generalization. University of Chicago
Press, Chicago, USA. (pdf 4.5MB)
Waser,
N.M & Ollerton, J. (2006) Plant-pollinator interactions:
from specialization to generalization. University of Chicago Press,
USA. (pdf 21KB)
Ollerton, J. and Dafni, A. (2005) Functional floral morphology
and phenology. pp. 1-26 in: Dafni, A., P.G. Kevan & Husband, B.C.
(Eds.) Practical Pollination Biology. Enviroquest, Cambridge,
Ontario.
Ollerton,
J. (2005) News & Commentary: Flowering time and the Wallace
Effect. Heredity 95: 181-182. (pdf 845KB)
Ollerton
J., Johnson S. D., Cranmer, L. and Kellie, S. (2003) The pollination
ecology of an assemblage of grassland asclepiads in South Africa.
Annals of Botany 92: 807-834. (pdf 1MB)
Ollerton,
J. & Liede, S. (2003) Corona structure in Cynanchum: linking
morphology to function. Ecotropica 9: 107-112. (pdf 125KB)
Ollerton,
J. (2002) Book review: Vuorisalo, T.O. & Mutikainen, P.K.
(eds.) Life History Evolution in Plants. Plant Systematics and Evolution
232: 138-141. (pdf 72KB)
Ollerton,
J. & Cranmer, L. (2002) Latitudinal trends in plant-pollinator
interactions: are tropical plants more specialized? Oikos 98: 340-350
(pdf 131KB)
Ollerton,
J. and Watts, S. (2000) Phenotype space and floral typology:
towards an objective assessment of pollination syndromes. Det Norske
Videnskaps-Akademi I. Matematisk-Naturvitenskapelig Klasse, Avhandlinger,
Ny Serie 39: 149-159. (pdf 1.8MB)
Lamborn,
E. & Ollerton, J. (2000) Experimental assessment of the
functional morphology of inflorescences of Daucus carota (Apiaceae):
testing the "fly catcher effect". Functional Ecology 14:
445-454. (pdf 536KB)
Ollerton,
J.
(1999) The evolution of pollinator-plant relationships within the
arthropods. pp. 741-758 in Melic, A., DeHaro, J.J., Mendez, M. &
Ribera, I. (eds.) Evolution and Phylogeny of the Arthropoda. Entomological
Society of Aragon, Zaragoza. (pdf 9.0MB)
Ollerton,
J. (1999)
Fly trapping in Ceropegia flowers - evidence of ant predation of
pollinators. Asklepios 77: 31-32 (pdf 858KB)
Ollerton,
J. &
Diaz, A. (1999) Evidence for stabilising selection acting on flowering
time in Arum maculatum (Araceae): the influence of phylogeny on
adaptation. Oecologia 119: 340-348 (pdf 4.1MB)
Kite, G.C.,
Hetterscheid, W.L.A., Lewis, M.J., Boyce, P.C., Ollerton, J.,
Cocklin, E., Diaz, A., & Simmonds, M.S.J. (1998) Inflorescence
odours and pollinators of Arum and Amorphophallus
(Araceae). pp. 295-315 in Owens, S.J. & Rudall, P.J. (eds.)
Reproductive Biology in Systematics, Conservation and Economic Botany.
Royal Botanic Gardens, Kew. (pdf 5.5MB)
Ollerton,
J.
(1998) Sunbird surprise for syndromes. Nature 394: 726-727 (pdf
717KB)
Ollerton,
J. & McCollin, D. (1998) Insect and angiosperm diversity
in marine environments: a response to van der Hage. Functional Ecology
12: 976-977. (pdf 415KB)
Ollerton,
J. & A.J. Lack (1998) Relationships between flowering phenology,
plant size and reproductive success in Lotus corniculatus (Fabaceae).
Plant Ecology 139: 35-47. (pdf 133KB)
Ollerton,
J. & Liede, S. (1997) Pollination systems in the Asclepiadaceae:
a survey and preliminary analysis. Biological Journal of the Linnean
Society 62: 593-610. (pdf 326KB)
Goulson,
D., Ollerton, J. & Sluman, C. (1997) Foraging strategies
in the small skipper butterfly, Thymelicus flavus; when to switch?
Animal Behaviour 53: 1009-1016. (pdf 253KB)
Ollerton,
J. (1996) Reconciling ecological processes with phylogenetic
patterns: the apparent paradox of plant-pollinator systems. Journal
of Ecology 84: 767-769. (pdf 554KB)
Ollerton,
J. (1996) Interactions between gall midges (Diptera: Cecidomyiidae)
and inflorescences of Piper novae-hollandiae (Piperaceae) in Australia.
The Entomologist 115: 181-184. (pdf 2.2MB)
Ollerton,
J. &
Lack, A.J. (1996) Partial predispersal seed predation in Lotus corniculatus
L. (Fabaceae). Seed Science Research 6: 65-69. (pdf 2.5MB)
Waser,
N.M., Chittka, L., Price, M.V., Williams, N. & Ollerton,
J. (1996) Generalization in pollination systems, and why it
matters. Ecology 77: 1043-1060. (pdf 2.0MB)
Ollerton,
J. & Forster, P. (1995) Diptera associated with flowers
of Ceropegia cumingiana in Australia. Asklepios 66: 21-22
(pdf 751KB)
Ollerton,
J. &
Lack, A.J. (1992) Flowering phenology: an example of relaxation
of natural selection? Trends in Ecology and Evolution 7: 274-276.
(pdf 2.1MB)
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