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stomata

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Journal Article
Journal: Geology
Published: 12 August 2019
Geology (2019) 47 (10): 914–918.
... 1 for details). We reconstructed paleo- p CO 2 using the stomatal proxy, founded on the observed inverse relationship between the density of leaf stomata and p CO 2 ( Woodward, 1987 ; McElwain and Steinthorsdottir, 2017 ). Stomatal density of plant leaves was quantified from microscope images...
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Journal Article
Journal: Geology
Published: 01 December 2014
Geology (2014) 42 (12): 1027–1030.
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Journal Article
Journal: Geology
Published: 01 September 2012
Geology (2012) 40 (9): 815–818.
... size (expressed in fossil material as SL, the length of the stomatal complex opening) and stomatal density (SD, the number of stomata per mm 2 ) decreased significantly during the Tr–J. We estimate, using a leaf gas-exchange model, that the decreases in SD and SL resulted in a 50%–60% drop in stomatal...
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Journal Article
Journal: PALAIOS
Published: 01 January 2010
PALAIOS (2010) 25 (5): 339–346.
... of global climate change, it is important to utilize a range of methods when estimating past climate variation in order to understand the long-term trends experienced by Earth systems. The use of plant stomata has been adopted as a paleoatmospheric proxy for the concentration of carbon dioxide ( p CO 2...
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Journal Article
Journal: Geology
Published: 01 September 2005
Geology (2005) 33 (9): 749–752.
... between P. parceramosa and the halophytic angiosperm Salicornia ( Upchurch and Doyle, 1980 ), although the paleoecology is likely to have been different. Leaves of NLEs were prepared using the method of McElwain et al. (1995) . Conifer NLE stomatal counts were carried out over the bands of stomata...
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Journal Article
Journal: PALAIOS
Published: 01 April 1999
PALAIOS (1999) 14 (2): 180–185.