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• W1929048469 endingPage "1111" @default.
• W1929048469 startingPage "1102" @default.
• W1929048469 abstract "Abstract Questions Does seed mass influence the tolerance of seeds to the effects of heating in fires? Is the tolerance to heat shocks during fire events dependent mostly on seed mass itself or to other traits linked to the species ecological origin, e.g. non‐fire‐prone (forest) and fire‐prone (savanna) environments? Location Savanna and forest ecosystems of the Cerrado biome, Brazil. Methods Heat shocks were applied to seeds of 17 selected common tree species in savanna (ten species) or forest ecosystems (seven species) of the Cerrado biome. After being submitted to a heat shock, seeds were allowed to germinate in chambers set at 30 °C. Germination percentage was calculated for each treatment and species. For comparison purposes, species were grouped into two functional groups (forest and savanna) and also into seed size classes (small, medium and large). We used generalized linear model to analyse heat shock effects on seed germination of savanna and forest tree species, and how seed size affected the germination response. Results Seed mass influenced seed tolerance to heat shock. Larger seeds had higher survival when subjected to heat shock, independent of species’ ecological origin. In addition, seeds from species occurring in fire‐prone environments (savanna) were more tolerant to high levels of heat shock than seeds from species occurring in non‐fire‐prone environments (forest). Conclusion In response to global climatic change, fire regimes in savannas of South America are expected to become more frequent and intense, even expanding into currently non‐fire‐prone environments. In this sense, our findings indicate that species from savannas (fire‐prone environments) might have an adaptive advantage to these consequences of climatic changes, potentially leading to expansion of the savanna ecosystems." @default.
• W1929048469 created "2016-06-24" @default.
• W1929048469 creator A5002105076 @default.
• W1929048469 creator A5061011401 @default.
• W1929048469 creator A5079026322 @default.
• W1929048469 creator A5082572535 @default.
• W1929048469 date "2015-07-02" @default.
• W1929048469 modified "2023-10-16" @default.
• W1929048469 title "The importance of seed mass for the tolerance to heat shocks of savanna and forest tree species" @default.
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• W1929048469 doi "https://doi.org/10.1111/jvs.12314" @default.

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