2023
DOI: 10.1002/ecy.3941
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β‐diversity in temperate grasslands is driven by stronger environmental filtering of plant species with large genomes

Abstract: Elucidating mechanisms underlying community assembly and biodiversity patterns is central to ecology and evolution. Genome size (GS) has long been hypothesized to potentially affect species' capacity to tolerate environmental stress and might therefore help drive community assembly. However, its role in driving β‐diversity (i.e., spatial variability in species composition) remains unclear. We measured GS for 161 plant species and community composition across 52 sites spanning a 3200‐km transect in the temperat… Show more

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Cited by 3 publications
(2 citation statements)
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“…However, genome size alone does not fully explain extinction risk, as illustrated by the presence of both threatened and non-threatened species with large genomes in our sampling (Table S3 ). Moreover, the contrasting responses to environmental stress conditions documented for large-genomed angiosperms across different lineages and growth forms (e.g., Faizullah et al ., 2021; Feng et al ., 2022; Zhang et al ., 2022) make it difficult to provide a single explanation for why species with large genomes are more likely to be threatened.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, genome size alone does not fully explain extinction risk, as illustrated by the presence of both threatened and non-threatened species with large genomes in our sampling (Table S3 ). Moreover, the contrasting responses to environmental stress conditions documented for large-genomed angiosperms across different lineages and growth forms (e.g., Faizullah et al ., 2021; Feng et al ., 2022; Zhang et al ., 2022) make it difficult to provide a single explanation for why species with large genomes are more likely to be threatened.…”
Section: Discussionmentioning
confidence: 99%
“…Mounting evidence has shown that genome size is involved in the scaling of organisms: from the subcellular level where it influences the duration of mitosis and meiosis (Bennett, 1971; Šímová & Herben, 2012; Zhukovskaya & Ivanov, 2022), to the cellular level where it determines minimum cell size and cell packing density (e.g., Roddy et al ., 2020; Théroux-Rancourt et al ., 2021), and the organismal level where it affects life-history strategies (e.g., Bennett, 1987; Veselý et al ., 2012; Carta et al ., 2022) and physiological parameters such as growth rate (e.g., Knight et al ., 2005; Tenaillon et al ., 2016; White et al ., 2016) and photosynthetic efficiency (Beaulieu et al ., 2007; Roddy et al ., 2020). The cascading effects of genome size can in turn play a role in influencing where, when, and how plants grow and compete, thereby shaping community composition and distribution (Guignard et al ., 2016; Bureš et al ., 2022; Zhang et al ., 2022). Taken together, these multiple lines of evidence raise the possibility that genome size may be associated with extinction risk in angiosperms, as originally argued by Vinogradov (2003).…”
Section: Introductionmentioning
confidence: 99%