Show simple item record Muir, Christopher D.
dc.coverage.spatial British Isles 2018-01-02T12:52:03Z 2018-01-02T12:52:03Z 2017-12-30
dc.identifier doi:10.5061/dryad.5q5q6
dc.identifier.citation Muir CD (2018) Light and growth form interact to shape stomatal ratio among British angiosperms. New Phytologist 218(1): 242-252.
dc.description In most plants, stomata are located only on the abaxial leaf surface (hypostomy), but many plants have stomata on both surfaces (amphistomy). High light and herbaceous growth form have been hypothesized to favor amphistomy, but these hypotheses have not been rigorously tested together using phylogenetic comparative methods. I leveraged a large dataset including stomatal ratio, Ellenberg light indicator value, growth form and phylogenetic relationships for 372 species of British angiosperms. I used phylogenetic comparative methods to test how light and/or growth form influence stomatal ratio and density. High light and herbaceous growth form are correlated with amphistomy, as predicted, but they also interact; the effect of light is pronounced in therophytes (annuals) and perennial herbs, but muted in phanerophytes (shrubs and trees). Furthermore, amphistomy and stomatal density evolve together in response to light. Comparative analyses of British angiosperms reveal two major insights. First, light and growth form interact to shape stomatal ratio; amphistomy is common under high light, but mostly for herbs. Second, coordinated evolution of adaxial stomatal density and light tolerance indicates that amphistomy helps to optimally balance light acquisition with gas exchange. Stomatal ratio may have potential as a functional trait for paleoecology and crop improvement.
dc.relation.haspart doi:10.5061/dryad.5q5q6/1
dc.relation.haspart doi:10.5061/dryad.5q5q6/2
dc.relation.isreferencedby doi:10.1111/nph.14956
dc.subject adaptation
dc.subject amphistomy
dc.subject Ellenberg light indicator value
dc.subject growth form
dc.subject phylogenetic comparative methods
dc.subject Raunkiær life form
dc.subject stomata
dc.subject stomatal ratio
dc.title Data from: Light and growth form interact to shape stomatal ratio among British angiosperms
dc.type Article
dwc.ScientificName Angiosperms
dc.contributor.correspondingAuthor Muir, Christopher D.
prism.publicationName New Phytologist
dryad.dansTransferDate 2018-05-22T01:45:06.818+0000
dryad.dansArchiveDate 2018-05-22T03:03:11.431+0000

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