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Climate drives amon...
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Ehrlén, JohanStockholms universitet,Institutionen för ekologi, miljö och botanik
(author)
Climate drives among-year variation in natural selection on flowering time
- Article/chapterEnglish2020
Publisher, publication year, extent ...
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Wiley,2020
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Numbers
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LIBRIS-ID:oai:DiVA.org:su-179603
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-179603URI
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https://doi.org/10.1111/ele.13468DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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To predict long-term responses to climate change, we need to understand how changes in temperature and precipitation elicit both immediate phenotypic responses and changes in natural selection. We used 22 years of data for the perennial herb Lathyrus vernus to examine how climate influences flowering phenology and phenotypic selection on phenology. Plants flowered earlier in springs with higher temperatures and higher precipitation. Early flowering was associated with a higher fitness in nearly all years, but selection for early flowering was significantly stronger in springs with higher temperatures and lower precipitation. Climate influenced selection through trait distributions, mean fitness and trait-fitness relationships, the latter accounting for most of the among-year variation in selection. Our results show that climate both induces phenotypic responses and alters natural selection, and that the change in the optimal phenotype might be either weaker, as for spring temperature, or stronger, as for precipitation, than the optimal response.
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Valdés, AliciaStockholms universitet,Institutionen för ekologi, miljö och botanik(Swepub:su)avald
(author)
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Stockholms universitetInstitutionen för ekologi, miljö och botanik
(creator_code:org_t)
Related titles
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In:Ecology Letters: Wiley23:4, s. 653-6621461-023X1461-0248
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