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Low but significant evolutionary potential for growth, phenology and reproduction traits in European beech [Elektronski vir]Westergren, Marjana ...Local survival of forest tree populations under climate change depends on existing genetic variation and their adaptability to changing environments. Responses to selection were studied in European ... beech (Fagus sylvatica) under field conditions. A total of 1087 adult trees, seeds, 1-year-old seedlings and established multiyear saplings were genotyped with 16 nuSSRs. Adult trees were assessed for phenotypic traits related to growth, phenology and reproduction. Parentage and paternity analyses were used to estimate effective female and male fecundity as a proxy of fitness and showed that few parents contributed to successful regeneration. Selection gradients were estimated from the relationship between traits and fecundity, while heritability and evolvability were estimated using mixed models and the breeder's equation. Larger trees bearing more fruit and early male flowering had higher total fecundity, while trees with longer growth season had lower total fecundity (directional selection). Stabilizing selection on spring phenology was found for female fecundity, highlighting the role of late frosts as a selection driver. Selection gradients for other traits varied between measurement years and the offspring cohort used to estimate parental fecundity. Compared to other studies in natural populations, we found low to moderate heritability and evolvability for most traits. Response to selection was higher for growth than for budburst, leaf senescence or reproduction traits, reflecting more consistent selection gradients across years and sex functions, and higher phenotypic variability in the population. Our study provides empirical evidence suggesting that populations of long-lived organisms such as forest trees can adapt locally, even at short-time scales.Type of material - e-articlePublish date - 2023Language - englishCOBISS.SI-ID - 177097987
Author
Westergren, Marjana |
Archambeau, Juliette |
Bajc, Marko, 1979- |
Damjanić, Rok |
Theraroz, Adélaïde |
Kraigher, Hojka |
Oddou-Muratorio, Sylvie |
González-Martínez, Santiago C.
Topics
podnebne spremembe |
Fagus sylvatica |
dednost |
in situ prilagoditev |
odziv na selekcijo |
selekcijski gradienti |
climate change |
Fagus sylvatica |
heritability |
in situ adaptation |
response to selection |
selection gradients
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Author | Westergren, Marjana ... |
Title | Low but significant evolutionary potential for growth, phenology and reproduction traits in European beech [Elektronski vir] |
Publication date | 2023-11-14 |
COBISS.SI-ID | 177097987 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution-NonCommercial 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
LifeGenMon | LIFE ENV/SI/000148 | ||
Gozdna biologija, ekologija in tehnologija | P4-0107-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Improving access to FORest GENetic resources Information and services for end-USers | FORGENIUS | 862221 |
European Commission |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Westergren, Marjana | 24343 |
Archambeau, Juliette | ![]() |
Bajc, Marko, 1979- | 29875 |
Damjanić, Rok | 52663 |
Theraroz, Adélaïde | ![]() |
Kraigher, Hojka | 07127 |
Oddou-Muratorio, Sylvie | ![]() |
González-Martínez, Santiago C. | ![]() |
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