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Local adaptation to...
Local adaptation to seasonal cues at the fronts of two parallel, climate-induced butterfly range expansions
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- Ittonen, Mats, 1989- (författare)
- Stockholms universitet,Zoologiska institutionen,Bolincentret för klimatforskning (tills m KTH & SMHI)
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- Hagelin, Alexandra (författare)
- Stockholms universitet,Zoologiska institutionen
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- Wiklund, Christer, 1945- (författare)
- Stockholms universitet,Zoologiska institutionen,Bolincentret för klimatforskning (tills m KTH & SMHI)
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- Gotthard, Carl, 1966- (författare)
- Stockholms universitet,Zoologiska institutionen,Bolincentret för klimatforskning (tills m KTH & SMHI)
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(creator_code:org_t)
- 2022-08-15
- 2022
- Engelska.
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Ingår i: Ecology Letters. - : Wiley. - 1461-023X .- 1461-0248. ; 25:9, s. 2022-2033
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Climate change allows species to expand polewards, but non-changing environmental features may limit expansions. Daylength is unaffected by climate and drives life cycle timing in many animals and plants. Because daylength varies over latitudes, poleward-expanding populations must adapt to new daylength conditions. We studied local adaptation to daylength in the butterfly Lasiommata megera, which is expanding northwards along several routes in Europe. Using common garden laboratory experiments with controlled daylengths, we compared diapause induction between populations from the southern-Swedish core range and recently established marginal populations from two independent expansion fronts in Sweden. Caterpillars from the northern populations entered diapause in clearly longer daylengths than those from southern populations, with the exception of caterpillars from one geographically isolated population. The northern populations have repeatedly and rapidly adapted to their local daylengths, indicating that the common use of daylength as seasonal cue need not strongly limit climate-induced insect range expansions.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- climate change
- diapause
- Lepidoptera
- Nymphalidae
- phenotypic plasticity
- photoperiodism
- reaction norm
- seasonal adaptation
- Ecology and Evolution
- ekologi och evolution
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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