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Ulrika Candolin

@ulrikacandolin

Behavioural ecologist at Helsinki University. Focussing on responses to environmental change. https://t.co/iML46tJpz6

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04.10.2023
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Latest posts by Ulrika Candolin @ulrikacandolin

Celebration of project funding: Impact of light pollution on stream invertebrates. πŸΎπŸŽ‰πŸ€©
Clio Hall @clio-bio.bsky.social starting as post-doc and Erika Ojala as PhD student. Thank you @koneensaatio.fi

14.02.2026 07:17 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Welcome Clio – delighted to have you join us. Clio will work on the impact of light pollution on stream invertebrate communities, focusing on the use of molecular methods, eDNA and eRNA to assess effects. #lightpollution #eDNA @helsinki.fi

05.02.2026 15:45 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Light pollution – a biodiversity threat: Impact on insect fluxes across ecosystem boundaries - Kone Foundation Insect biodiversity is declining at an alarming rate. Light pollution has been identified as one contributing factor, yet its impact remains poorly known. Aquatic insects with terrestrial life stages ...

Delighted to be joining as πŸ€“postdoc @helsinki.fi with @ulrikacandolin.bsky.social group on the impacts of light pollution on Finnish stream communities! πŸͺ°Check out the project here: koneensaatio.fi/en/grants-an...
#eDNA #macroinvertebrates #pollution #freshwaterπŸ’‘

15.01.2026 15:05 πŸ‘ 5 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0

Congrats Hanna!! They surely picked the right person πŸ˜πŸŽ‰πŸΎ

17.12.2025 04:12 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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NEW PAPER on impact of #lightpollution, led by Yuhan He who recently defended her PhD thesis.
Historical Exposure to Artificial Light at Night Shapes Daphnia Responses: An Experiment Across an Urban–Rural Gradient - He - 2025 - Ecology and Evolution onlinelibrary.wiley.com/doi/10.1002/...

12.12.2025 08:11 πŸ‘ 38 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
Light pollution – a biodiversity threat: Impact on insect fluxes across ecosystem boundaries - Koneen SÀÀtiΓΆ Insect biodiversity is declining at an alarming rate. Light pollution has been identified as one contributing factor, yet its impact remains poorly known. Aquatic insects with terrestrial life stages ...

Grateful for received #funding from @koneensaatio.fi for our project on impact of light pollution on the flux of insects between aquatic and terrestrial habitats. Will be looking for a #postdoc and a #PhD for 4 years – take contact if interested.
koneensaatio.fi/apurahat-ja-...

12.12.2025 05:32 πŸ‘ 26 πŸ” 10 πŸ’¬ 0 πŸ“Œ 0
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Shrimps and water fleas in distress - Artificial light at night disrupts freshwater ecosystems | University of Helsinki A new study from the University of Helsinki reveals that artificial light at night significantly affects freshwater invertebrates and their ecosystems.

Congratulations to Yuhan for successful PhD defence: Shrimps and water fleas in distress - Artificial light at night disrupts freshwater ecosystems www.helsinki.fi/en/news/anim...

03.12.2025 07:07 πŸ‘ 825 πŸ” 227 πŸ’¬ 11 πŸ“Œ 17
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Lighting the way to safer, smarter and sustainable roads A new European research initiative, SAFELUX – The Light We Need, is set to transform how we light our roads at night - improving safety while reducing energy use and environmental impacts.

If you are interested in helping us to mitigate the impacts of light pollution #ALAN on biodiversity, and work on street lighting mitigation and road safety, consider joining our Knowledge Network: www.ncl.ac.uk/press/articl...

13.11.2025 12:21 πŸ‘ 14 πŸ” 9 πŸ’¬ 0 πŸ“Œ 3
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Widespread influence of artificial light at night on ecosystem metabolism Nature Climate Change - The authors combine light intensity data with eddy covariance observations from 86 sites to show that artificial light at night increases ecosystem respiration and alters...

Artificial light pollution is enhancing ecosystem respiration, which can influence the carbon-climate feedback.

More attention should be given to this largely neglected pollutant!
rdcu.be/ePFly

13.11.2025 05:03 πŸ‘ 4 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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πŸŒ™πŸ”Š How do we perceive light and noise pollution?
Your experience matters! ✨

Take part in this survey πŸ‘‰ app.onlinesurveys.jisc.ac.uk/s/salford/pl...

Your input will help better understand these growing problems. The survey is part of the European project PLAN-B.

#lightpollution #noisepollution

11.11.2025 14:38 πŸ‘ 1 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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New paper: #lightpollution suppresses diel migration in #Daphnia, but no detectable difference between urban and rural populations. rdcu.be/eNVwb
So no adaptation to light pollution? We discuss different plausible explanations for this lack of differentiation.

07.11.2025 05:12 πŸ‘ 6 πŸ” 3 πŸ’¬ 0 πŸ“Œ 1
Post image Fish embryos under the microscope

Fish embryos under the microscope

Interested in thermal biology? Please join our new and growing grass roots initiative, the Thermal Ecology Alliance, initiated by @patricepottier.bsky.social. πŸ§ͺπŸŸπŸ¦‘πŸŒ‘οΈ

Sign up here: www.thermalecologyalliance.org#participation

Check who already signed up:
www.thermalecologyalliance.org#community

03.11.2025 12:58 πŸ‘ 46 πŸ” 27 πŸ’¬ 3 πŸ“Œ 3
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New paper: #lightpollution suppresses diel migration in #Daphnia, but no detectable difference between urban and rural populations. rdcu.be/eNVwb
So no adaptation to light pollution? We discuss different plausible explanations for this ack of differentiation.

03.11.2025 06:52 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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πŸ“£ @asab.org grants BOOSTED! πŸ“£

We've increased most of our research-related grants by 50%, effective from the next deadline of 1st Feb 2026.

Check out what we offer here:
www.asab.org/grant-overview

14.10.2025 16:28 πŸ‘ 39 πŸ” 35 πŸ’¬ 0 πŸ“Œ 1
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Total solar eclipse triggers dawn behavior in birds: Insights from acoustic recordings and community science On 8 April 2024, a total solar eclipse disrupted light-dark cycles for North American birds during the lead-up to spring reproduction. Compiling more than 10,000 community observations and artificial ...

Not only artificial light, such as #ALAN, influences animal behaviour, but also the lack of light – highly interesting study that shows the importance of light conditions in structuring behaviour. | Science www.science.org/doi/10.1126/...

10.10.2025 05:29 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Mitigating the light pollution problem via spectral adjustment: color-biased phototaxis in male glow-worms

rdcu.be/eJDB4

06.10.2025 06:00 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Warmer light colours are often put forward as the solution to the #lightpollution issue. However, some species are attracted to warmer colours, such as #glowworms, suggesting that filtering out blue light has limited capacity to solve the light pollution problem rdcu.be/eJDB4

06.10.2025 06:00 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

New paper on the demographic history of the European #glowworm, revealing strong population structure and low gene flow. Adult females sedentary and only males fly, and adults live for only a couple of weeks.

25.06.2025 12:00 πŸ‘ 5 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Assessing the ecological impact of non-native species: single-species manipulation fails to reveal impact of invading shrimp

rdcu.be/egjJS

04.04.2025 05:06 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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New paper showing the importance of accounting for species interactions when investigating the impact of non-native species on ecosystems. Single-species manipulations may fail to capture full ecological consequences. rdcu.be/egjJS

04.04.2025 05:06 πŸ‘ 6 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

New paper: β€œStudying and comparing eucalypt plantations with other types of monocultures can provide important insights into the potential evolutionary and conservation consequences of human-made habitats for wildlife.”

01.04.2025 08:01 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Eucalypts are among the most important trees used for forestry purposes worldwide, but how do these exotic plantations affect native wildlife? Check out our new Open Access paper in Biological Reviews led by Maider Iglesias-Carrasco.

onlinelibrary.wiley.com/doi/full/10....

πŸ“Έ Pat Tomkins

31.03.2025 20:30 πŸ‘ 9 πŸ” 2 πŸ’¬ 0 πŸ“Œ 1
Cover of the book 'Behavioural Responses to a Changing World: Challenges and Applications'.

Cover of the book 'Behavioural Responses to a Changing World: Challenges and Applications'.

Hurrah - it's arrived! πŸŽ‰ Congratulations to @bbmwong.bsky.social & @ulrikacandolin.bsky.social (Editors) and all the authors. Delighted to have contributed the #noise #pollution chapter, enlivened with beautiful drawings by Martin Aveling.

#ChangingWorld #behaviour
@bristolbiosci.bsky.social

09.03.2025 10:22 πŸ‘ 56 πŸ” 14 πŸ’¬ 4 πŸ“Œ 1
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Over the moon to receive my copy of 'Behavioural responses to a changing world'! 😁πŸ₯³πŸ€—πŸ˜ @bbmwong.bsky.social @ulrikacandolin.bsky.social πŸ™ Huge kados to the brilliant minds behind it (too many to tag)!πŸ† Slightly less happy about my mailman's creative delivery - now featuring a bonus dog-ear πŸ“–πŸ“«πŸΆπŸ˜…

28.02.2025 21:45 πŸ‘ 9 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

Deadline for submissions: 1 March 2025. APC waivers available (contact me for these).

29.01.2025 04:42 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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As a bonus, this chapter comes with the nicest conceptual figure I've ever made!

Thanks for all the hard work getting this book across the line @bbmwong.bsky.social @ulrikacandolin.bsky.social!

24.01.2025 11:57 πŸ‘ 35 πŸ” 3 πŸ’¬ 2 πŸ“Œ 0

Proud to present the accompanying book to the one published in 2012. Successful team effort with @bbmwong.bsky.social and excellent chapter authors.

22.01.2025 10:16 πŸ‘ 12 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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"current lack of knowledge of their responses to the growing global pervasiveness of light pollution is a barrier to their effective conservation - their responses could translate into ecosystem-level alterations through top-down effects, as have been observed for other species."

22.01.2025 06:18 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Guiding Aquatic Reptile (Chelonian and Crocodylian) Conservation in the Face of Growing Light Pollution: Lessons From Experience The current knowledge on the effects of light pollution on aquatic reptiles pertains mainly to the response of sea turtles to various intensities, wavelengths and photoperiods. Gaps in our knowledge ...

New collaborative paper on impact of #lightpollution on freshwater crocodiles and turtles, led by Megha Khanduri; Guiding Aquatic Reptile (Chelonian and Crocodylian) Conservation in the Face of Growing Light Pollution: Lessons From Experience wires.onlinelibrary.wiley.com/doi/full/10....

22.01.2025 06:16 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Our editorial for the Collection on impact of light pollution is now out, open access rdcu.be/d6F8z Submission deadline: for papers: 1 March 2025 (contact me if you may need more time) #lightpollution #ALAN

18.01.2025 04:44 πŸ‘ 8 πŸ” 3 πŸ’¬ 0 πŸ“Œ 1