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Dr Ossi Joonas Nokelainen FLS. My research mainly focuses on coloration, polymorphism and predator-prey interactions. I use multispectral imaging, vision modelling and experimental approaches at the interface of sensory, behavioural, and evolutionary ecology. I am interested in how perception shapes the function(s) of colours, and also, how different functions trade-off with each other and get optimised. Although birds are close to my heart, I work with various study organisms across the world including birds, crabs, mammals, butterflies, moths and many more. Completed the Doctor of Philosophy in 2013/04/01 at the Department of Biological and Environmental Science. Published approximately 30 peer-reviewed articles in 30 journals (incl. Nature Ecology and Evolution, Proceedings of the Royal Society, Journal of Animal Ecology). Peer-reviewed articles for 28 scientific journals. Participates and/or participated as Post-doctoral Fellow in 3 project(s). Works in the area(s) of Natural sciences with emphasis on Biological Sciences with emphasis on Ecology, Evolutionary Biology, Behavioural and Sensory Ecology. Also, a chair of a BirdLife partner in Central Finland. Was granted the Title of the Docent 2023 in Ecology and Environmental Sciences from the Faculty and Mathematics and Science at University of Jyväskylä. Holds a position as Information Specialist at University of Jyväskylä Open Science Centre.
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Identification

Personal identification

Full name
Ossi Joonas Nokelainen

Citation names

  • Nokelainen, Ossi

Author identifiers

Ciência ID
961E-2E1E-E5D0
ORCID iD
0000-0002-0278-6698
Google Scholar ID
https://scholar.google.fi/citations?user=VuZ4ZcIAAAAJ&hl=en&oi=ao

Addresses

  • Survontie 9, 40014, Central Finland, Jyväskylä, Finland (Professional)
  • Seminaarinkatu 15 (B, Lähde), FI-40014, Central Finland, Jyväskylä, Finland (Professional)

Websites

Knowledge fields

  • Natural sciences - Biological Sciences - Ecology
  • Natural sciences - Biological Sciences - Evolutionary Biology
  • Natural sciences - Biological Sciences - Behavioural Sciences Biology
  • Natural sciences - Biological Sciences - Zoology
  • Natural sciences - Biological Sciences

Languages

Language Speaking Reading Writing Listening Peer-review
Finnish (Mother tongue)
English Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2)
Education
Degree Classification
2010 - 2013
Concluded
 Ecology and Evolutionary Biology (Doctor of Philosophy)
Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland
2007 - 2010
Concluded
 Ecology and Evolutionary biology (Master)
Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland
2007
Concluded
 Ecology and Environmental managment (Bachelor)
Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland
Affiliation

Science

Category
Host institution 		Employer
2022/01/01 - 2022/12/31 Postdoc (Research) Helsingin yliopisto, Finland
Helsingin yliopisto Bio- ja ympäristötieteellinen tiedekunta, Finland
2020/01/09 - 2022/01/01 Postdoc (Research) Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland
Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland
2017/09/01 - 2020/08/31 Principal Investigator (Research) Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland
Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland
2016 - 2017 Postdoc (Research) Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland
2015 - 2016 Postdoc (Research) University of Exeter Centre for Ecology and Conservation, United Kingdom
2014 - 2015 Postdoc (Research) University of Cambridge Department of Zoology, United Kingdom
2013 - 2014 Postdoc (Research) Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland

Positions / Appointments

Category
Host institution 		Employer
2023/01/01 - Current Information Specialist (Data Scientist) Jyväskylän yliopisto Avoimen tiedon keskus, Finland
Jyväskylän yliopisto Avoimen tiedon keskus, Finland
Projects

Grant

Designation Funders
2017/09/01 - 2020/08/31 Sensory Ecology appoarch to understand maintenance of aposematic colour polymorphism
21000038821
Post-doc Fellow
Suomen Akatemia
Ongoing

Contract

Designation Funders
2020 - 2022 Ecological communication and Evolution of predator-prey interactions
214012
Researcher
2014 - 2015 Radiating butterflies Research on Ecological Speciation
250325
Researcher
2013 - 2014 Maintenance of Colour polymorphism in the aposematic wood tiger moth
214011
Post-doc
2008 - 2013 Maintenance of colour polymorphism in the aposematic wood tiger moth
214010
PhD Student Fellow

Other

Designation Funders
2015 - 2016 Camouflage optimisation in the green shore crab
BB/G022887/1
Research Fellow
Concluded
Outputs

Publications

Journal article
  1. Tiago Macedo; João Carlos Campos; Ossi Nokelainen; Nicholas E Scott-Samuel; Zbyszek Boratynski. "The effect of spatial and temporal scale on camouflage in North African rodents". Biological Journal of the Linnean Society (2022): https://doi.org/10.1093/biolinnean/blac107.
    10.1093/biolinnean/blac107
  2. Ossi Nokelainen; Heikki Helle; Juho Hartikka; Juho Jolkkonen; Janne K. Valkonen. "The Eurasian Treecreeper ( Certhia familiaris ) has an effective camouflage against mammalian but not avian vision in boreal forests". Ibis (2022): https://doi.org/10.1111/ibi.13056.
    10.1111/ibi.13056
  3. Ossi Nokelainen; Juan A. Galarza; Jimi Kirvesoja; Kaisa Suisto; Johanna Mappes. "Genetic colour variation visible for predators and conspecifics is concealed from humans in a polymorphic moth". Journal of Evolutionary Biology (2022): https://doi.org/10.1111/jeb.13994.
    10.1111/jeb.13994
  4. Ossi Nokelainen; Francisko de Moraes Rezende; Janne K Valkonen; Johanna Mappes; Emilie Snell-Rood. "Context-dependent coloration of prey and predator decision making in contrasting light environments". Behavioral Ecology (2022): https://doi.org/10.1093/beheco/arab111.
    10.1093/beheco/arab111
  5. Jolyon Troscianko; Ossi Nokelainen; John Skelhorn; Martin Stevens. "Variable crab camouflage patterns defeat search image formation". Communications Biology (2021): https://doi.org/10.1038/s42003-021-01817-8.
    10.1038/s42003-021-01817-8
  6. Silvasti, Sanni A.; Valkonen, Janne K.; Nokelainen, Ossi. "Behavioural thresholds of blue tit colour vision and the effect of background chromatic complexity". Vision Research 182 (2021): 46-57. http://dx.doi.org/10.1016/j.visres.2020.11.013.
    10.1016/j.visres.2020.11.013
  7. Rönkä, Katja; Valkonen, Janne K.; Nokelainen, Ossi; Rojas, Bibiana; Gordon, Swanne; Burdfield-Steel, Emily; Mappes, Johanna. "Geographic mosaic of selection by avian predators on hindwing warning colour in a polymorphic aposematic moth". Ecology Letters 23 11 (2020): 1654-1663. http://dx.doi.org/10.1111/ele.13597.
    Open access • 10.1111/ele.13597
  8. Nokelainen, Ossi; Sreelatha, Lekshmi B.; Brito, José Carlos; Campos, João C.; Scott-Samuel, Nicholas E.; Valkonen, Janne K.; Boratynski, Zbyszek. "Camouflage in arid environments: the case of Sahara-Sahel desert rodents". Journal of Vertebrate Biology 69 2 (2020): 1. http://dx.doi.org/10.25225/jvb.20007.
    Open access • 10.25225/jvb.20007
  9. Caro, Tim; Hamad, Haji; Rashid, Rashid Suleiman; Kloiber, Ulrike; Morgan, Victoria M.; Nokelainen, Ossi; Caro, Barnabas; et al. "A case study of the coconut crab Birgus latro on Zanzibar highlights global threats and conservation solutions". Oryx (2020): 1-8. http://dx.doi.org/10.1017/s0030605319000863.
    10.1017/s0030605319000863
  10. Ossi Nokelainen; José Carlos Brito; Nicholas E. Scott-Samuel; Janne K. Valkonen; Zbyszek Boratynski. "Camouflage accuracy in Sahara-Sahel desert rodents". Journal of Animal Ecology (2020): https://doi.org/10.1111/1365-2656.13225.
    10.1111/1365-2656.13225
  11. Mónica Arias; Johanna Mappes; Charlotte Desbois; Swanne Gordon; Melanie McClure; Marianne Elias; Ossi Nokelainen; Doris Gomez; Caroline Isaksson. "Transparency reduces predator detection in mimetic clearwing butterflies". Functional Ecology 33 6 (2019): 1110-1119. https://doi.org/10.1111/1365-2435.13315.
    10.1111/1365-2435.13315
  12. Ossi Nokelainen; Ruth Maynes; Sara Mynott; Natasha Price; Martin Stevens; Jerry Husak. "Improved camouflage through ontogenetic colour change confers reduced detection risk in shore crabs". Functional Ecology 33 4 (2019): 654-669. https://doi.org/10.1111/1365-2435.13280.
    10.1111/1365-2435.13280
  13. Rojas, Bibiana; Burdfield-Steel, Emily; De Pasqual, Chiara; Gordon, Swanne; Hernández, Linda; Mappes, Johanna; Nokelainen, Ossi; Rönkä, Katja; Lindstedt, Carita. "Multimodal Aposematic Signals and Their Emerging Role in Mate Attraction". Frontiers in Ecology and Evolution 6 (2018): http://dx.doi.org/10.3389/fevo.2018.00093.
    Open access • 10.3389/fevo.2018.00093
  14. Ossi Nokelainen; Martin Stevens; Tim Caro. "Colour polymorphism in the coconut crab (Birgus latro)". Evolutionary Ecology 32 1 (2018): 75-88. https://doi.org/10.1007/s10682-017-9924-1.
    10.1007/s10682-017-9924-1
  15. Ossi Nokelainen; Erik van Bergen; Brad S Ripley; Paul M Brakefield. "Adaptation of a tropical butterfly to a temperate climate". Biological Journal of the Linnean Society (2018): https://doi.org/10.1093/biolinnean/blx145.
    10.1093/biolinnean/blx145
  16. Ossi Nokelainen; Nik Hubbard; Alice E Lown; Louisa E Wood; Martin Stevens. "Through predators’ eyes: phenotype–environment associations in shore crab coloration at different spatial scales". Biological Journal of the Linnean Society (2017): https://doi.org/10.1093/biolinnean/blx101.
    10.1093/biolinnean/blx101
  17. Nokelainen, Ossi. "Preference for C4 shade grasses increases hatchling performance in the butterfly, Bicyclus safitza.". Ecology and Evolution (2016): http://europepmc.org/abstract/med/27551380.
    10.1002/ece3.2235
  18. Nokelainen, Ossi. "Camouflage.". Current biology : CB (2016): http://europepmc.org/abstract/med/27458906.
    10.1016/j.cub.2016.03.044
  19. Nokelainen, Ossi. "Colour polymorphism torn apart by opposing positive frequency-dependent selection, yet maintained in space.". The Journal of animal ecology (2015): http://europepmc.org/abstract/med/26114930.
    10.1111/1365-2656.12416
  20. Nokelainen, Ossi. "Aposematism.". Current biology : CB (2015): http://europepmc.org/abstract/med/25942542.
    10.1016/j.cub.2015.02.015
  21. Nokelainen, Ossi. "Temporal relationship between genetic and warning signal variation in the aposematic wood tiger moth (Parasemia plantaginis).". Molecular ecology (2014): http://europepmc.org/abstract/med/25211063.
    10.1111/mec.12913
  22. Nokelainen, Ossi. "Changes in predator community structure shifts the efficacy of two warning signals in Arctiid moths.". The Journal of animal ecology (2014): http://europepmc.org/abstract/med/24164666.
    10.1111/1365-2656.12169
  23. Nokelainen, Ossi. "Environment-mediated morph-linked immune and life-history responses in the aposematic wood tiger moth.". The Journal of animal ecology (2013): http://europepmc.org/abstract/med/23356667.
    10.1111/1365-2656.12037
  24. Nokelainen, Ossi. "To quiver or to shiver: increased melanization benefits thermoregulation, but reduces warning signal efficacy in the wood tiger moth.". Proceedings. Biological sciences (2013): http://europepmc.org/abstract/med/23363631.
    10.1098/rspb.2012.2812
  25. Nokelainen, Ossi. "Variation in predator species abundance can cause variable selection pressure on warning signaling prey.". Ecology and evolution (2012): http://europepmc.org/abstract/med/22957197.
    10.1002/ece3.315
  26. Nokelainen, Ossi. "Trade-off between warning signal efficacy and mating success in the wood tiger moth.". Proceedings. Biological sciences (2012): http://europepmc.org/abstract/med/21653589.
    10.1098/rspb.2011.0880
  27. Nokelainen, Ossi. "Antipredatory function of head shape for vipers and their mimics.". PloS one (2011): http://europepmc.org/abstract/med/21818305.
    10.1371/journal.pone.0022272
Preprint
  1. Cristina Ottocento; Bibiana Rojas; Emily Burdfield-Steel; Miriam Furlanetto; Ossi Nokelainen; Sandra Winters; Johanna Mappes. "Diet influences resource allocation in chemical defence but not melanin synthesis in an aposematic moth". 2023. https://doi.org/10.1101/2023.02.24.529866.
    10.1101/2023.02.24.529866
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2023 Responsible Research Assessment ERASMUS EU-representative meeting at Open Science Centre
(Jyväskylä, Finland)
2022 Animal colouration and visual ecology University of Jyväskylä Teaching Certificate Presentation
(Jyväskylä, Finland)
2022 Predator selection on phenotypic variability of cryptic and aposematic moths University of Helsinki Biosciences seminars
(Helsinki, Finland)
2022 Why is the giant panda black and white? Darwin Club Sessions at University of Jyväskylä
(Jyväskylä, Finland)
2017 Learning to avoid: What do the studies on aposematism and mimicry tell us about cognition of avian predators? Behaviour 2017
(Lisbon, Portugal)
2016 Can juvenile shore crabs developmentally optimise their camouflage? Anti-predator Coloration Symposium
(Penryn, United Kingdom)
2016 Predator community structure alters the warning signal efficacy in moths International Behavioral Ecology Congress, ISBE 2016, 28.7. – 3.8.2016
(Exeter, United Kingdom)
2016 Can juvenile shore crabs developmentally optimise their camouflage? • Anti-predator Coloration Symposium, 4. – 5.8.2016
(Penryn, United Kingdom)
2015 Host plant ecology of Bicyclus safitza in South Africa EMARES Mini-symposium. 5.3.2015, University of Cambridge
(Cambridge, United Kingdom)
2015 Exploring biological interactions Invited speaker in departmental research seminar, 25.3.2015
(Grahamstown, South Africa)
2015 Host plant ecology of Bicyclus safitza in South Africa Zoology Summer Seminar Series, 29.7.2015, University of Cambridge
(Cambridge, United Kingdom)
2013 Maintenance of colour polymorphism in warning signals Invited speaker in departmental research seminar, 5.3.2013, University of Jyväskylä
(Jyväskylä, Finland)
2011 Danger moths get the girls – warning signal and mating success trade-off in the wood tiger moth European meeting of PhD students in evolutionary biology, EMBSEB17
(Seia, Portugal)
2010 Trade-off between warning signal efficacy and mating success in the wood tiger moth International Behavioral Ecology Congress, ISBE 2010
(Perth, Australia)
2010 Trade-off between warning signal efficacy and mating success in the wood tiger moth. Biological interactions graduate school meeting
(Forssa, Finland)

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2022 - Current Effect of density on the wood tiger moth sexual behaviour and fitness
Co-supervisor
2022 - Current Context-dependent colour signal selection in birds
Supervisor
2022 - Current Are predators maintaining polymorphism in an invasive moth?
Co-supervisor
2021 - Current The effects of sex pheromone on female attractiveness and its role in maintaining color polymorphism in Arctia plantaginis
Co-supervisor
Helsingin yliopisto Bio- ja ympäristötieteellinen tiedekunta, Finland
2021 - Current Optimization of adaptive colouration in Podarcis guadarramae lizards
Co-supervisor
2022 - 2023 Different UV reflectance on genotypically different morphs affects predator choice
Supervisor
2020 - 2021 Variation in reed warbler (Acrocephalus scirpaceus) egg phenotype with local breeding microhabitat
Co-supervisor
2020 - 2021 Influence of colour, smell and taste on the survival of the wood tiger moth (Arctia plantaginis) adults during predation event
Co-supervisor
2019 - 2020 Behavioural optimization of camouflage in two cryptic species of North African jerboas (Jaculus:Dipodidae)
Co-supervisor
2019 - 2019 The Effect of Climate Change on the Migration of Bean Goose (Anser fabalis)
Supervisor
2018 - 2019 Behavioural thresholds of blue tit colour vision and the effect of chromatic complexity in finding prey
Supervisor
2018 - 2019 The Eurasian Treecreeper (Certhia familiaris) has an effective camouflage against mammalian but not avian vision in boreal forests
Supervisor
2018 - 2018 Variation of pattern, color and wing size in Georgia´s populations of the wood tiger moth
Supervisor
2017 - 2018 Variable light conditions affect warning signal efficacy in an aposematic polymorphic moth
Supervisor
2016 - 2018 Weather Fluctuation-induced Constraints on Adaptive Coloration of the Wood Tiger Moth
Supervisor
2017 - 2017 Colour variation of the wood tiger moth genotypes
Supervisor
2015 - 2016 Improved camouflage through ontogenetic colour change confers reduced detection risk in shore crabs
Co-supervisor
2014 - 2015 Variability amongst butterfly seasonal forms in androconiasize and male sex pheromone production, and the effect on mating success
Co-supervisor
2013 - 2013 The effect of wing posture on predation pressure in an aposematic moth
Co-supervisor
2012 - 2012 Benefits of ontogenetic shift in the anti-predator strategy of alder moth Acronicta alni larvae
Co-supervisor

Event organisation

Event name
Type of event (Role) 		Institution / Organization
2022/07/18 - Current International Congress of Entomology, ICE22, Organiser of the: “Ecology and evolution of insect colouration in anti-predator defence”, symposium. 18.7.2022 Helsinki, Finland. (2022/07/18)
Congress (Other)
 Helsingin yliopisto, Finland
2011 - 2012 EMPSEB18, European meeting of PhD students in evolutionary biology, member of organizing committee, vice president, 2011 - 2012. (2011 - 2012)
Conference (President of the Organising Committee)

Jury of academic degree

Topic
Role 		Candidate name (Type of degree)
Institution / Organization
2021 A PhD thesis pre-examinator of Anna-Maria Borshagovski (Department of Ecology and genetics): “Effects of social and visual environments on female sexual signaling”. Year 2021.
(Thesis) Arguer
 Anna-Maria Borshagovski (PhD)

Ad Hoc journal article review

Journal title (ISSN) Publisher
2013 - Current The Science of Nature (Naturwissenschaften)
2013 - Current Scientific Reports
2013 - Current Proceedings of the Royal Society B: Biological Sciences
2013 - Current PLOS One
2013 - Current OIKOS
2013 - Current Nature Ecology and Evolution
2013 - Current Methods in Ecology and Evolution
2013 - Current Journal of Zoology
2013 - Current Journal of Animal Ecology
2013 - Current Frontiers in Ecology and Evolution
2013 - Current Evolutionary Ecology
2013 - Current Evolutionary Biology
2013 - Current Evolution Letters
2013 - Current Evolution
2013 - Current European Journal of Entomology
2013 - Current Ecology and Evolution
2013 - Current Ecological Entomology
2013 - Current Current Zoology
2013 - Current Communications Biology
2013 - Current Canadian Journal of Zoology
2013 - Current BMC Evolutionary Biology
2013 - Current Biology Letters
2013 - Current Biological Journal of Linnean Society
2013 - Current Behavioral Ecology and Sociobiology
2013 - Current Behavioral Ecology
2013 - Current Animal Behaviour
2013 - Current American Naturalist

Association member

Society Organization name Role
2020/01/01 - Current BirdLife CentralFinland (Chair in a non-governmental organisation of over 800 members). Chair
2015 - Current The Linnean Society of London
2013 - Current European Society for Evolutionary Biology
1992 - Current BirdLife International

Committee member

Activity description
Role 		Institution / Organization
2014 - Current Finnish Osprey Foundation - Research and conservation organisation of birds of prey
Member

Consulting

Activity description Institution / Organization
2021 - Current Golden eagle habitat modelling in Central Finland - a member or regional panel consulting on land use management plans

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2022 - Current Two lectures on evolutionary ecology master's course: 1) Information theory and sensory ecology, 2) predator-prey interactions.
2017 - Current Prerequisite of life on Earth. Compulsory course.
2012 - Current Research project course (ecology field course), estimation of avian community.
2009 - Current Introduction to evolutionary theory
2018 - 2019 Freshman day introduction to ecology and evolutionary biology
2008 - 2013 Identification courses in vertebrates (emphasis on avian fauna)

Interview (newspaper / magazine)

Activity description Newspaper / Forum
2022 Overwintering of arctic animals with insights on snowy owl Helsingin Sanomat

Interview (tv / radio show)

Program Topic
2021 - Current Times Radio London Radio interview about the giant panda
2021 - Current YLE – Winter behaviour of birds, TV & radio interview in the field, 2021
2021 - Current YLE – Climate change and wintering birds, media interview, autumn, 2021
2021 - Current YLE – Window collision deaths of birds, TV & radio interview in the field, 2021
2020 - Current YLE – Climate change for overwintering birds, radio interview in studio, 2020
2012 - Current YLE – Colours of animals, radio interview, 2012

Scientific expedition

Activity description Institution / Organization
2016 - Current Protecting Coconut Crabs of Pemba, 24.8.2016, Tanzania. Also, an outreach poster and poster guide to be used as a teaching tool in schools to increase awareness of threatened Coconut Crabs. Bilingual: in Swahili and in English. 500 copies distributed for local schools in Pemba Island. With Tim Caro (UCLA/Bristol).
2014 - 2015 Rhodes University, Department of Botany, Brad Ripley’s plant eco-physiology research group, academic visitor from University of Cambridge, 31.10.2014 – 30.4.2015. Leading an ecological speciation research project in South Africa. I chose the field sites, established experimental plant cultivations, laboratory stock of wild-caught Bicyclus safitza and conducted several evolutionary ecological experiments for the ‘Radiating Butterflies Project’.
Distinctions

Award

2015 TUTKA prize for the high-quality research
Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland

Title

2023 Title of the Docent
Jyväskylän yliopisto Bio- ja ymparistotieteiden laitos, Finland

Other distinction

2012 National identification championship of western palearctic birds (Twitcher society, in Finnish: Bongariliitto r.y.), 1st prize 2012.