Carbon isotope ecology of gymnosperms and implications for paleoclimatic and paleoecological studies

ND Sheldon, SY Smith, R Stein, M Ng - Global and Planetary Change, 2020 - Elsevier
Plants are direct recorders of the environmental conditions in which they were growing
through their carbon assimilation. Both δ 13 C leaf (measured C isotopic composition of the …

Palaeoecology, past climate systems, and C3/C4 photosynthesis

RA Spicer - Chemosphere, 1993 - Elsevier
The geologic record shows unequivocally that the present world is unusually cold; the so
called 'greenhouse'condition has been normal for planet Earth for the past 500 million years …

C3 plant carbon isotope discrimination does not respond to CO2 concentration on decadal to centennial timescales

RA Stein, ND Sheldon, SY Smith - New Phytologist, 2021 - Wiley Online Library
Plant carbon isotope discrimination is complex, and could be driven by climate, evolution
and/or edaphic factors. We tested the climate drivers of carbon isotope discrimination in …

Paleogene plants fractionated carbon isotopes similar to modern plants

AF Diefendorf, KH Freeman, SL Wing… - Earth and Planetary …, 2015 - Elsevier
The carbon isotope composition (δ 13 C) of terrestrial plant biomarkers, such as leaf waxes
and terpenoids, provides insights into past carbon cycling. The δ 13 C values of modern …

Disentangling the abiotic versus biotic controls on C3 plant leaf carbon isotopes: inferences from a global review

S Basu, S Ghosh, D Chattopadhyay - Earth-Science Reviews, 2021 - Elsevier
The carbon isotopic composition of C 3 plant leaf tissue (δ 13 C C3) provides insights into
carbon cycling, climate, and vegetation at various spatiotemporal scales. By disentangling …

On geologic timescales, plant carbon isotope fractionation responds to precipitation similarly to modern plants and has a small negative correlation with pCO2

K Schlanser, AF Diefendorf, DR Greenwood… - … et Cosmochimica Acta, 2020 - Elsevier
Leaf carbon isotope fractionation (Δ leaf) is sensitive to environmental conditions and can
provide insights into the state and evolution of leaf gas-exchange in response to climate and …

Global patterns in leaf 13C discrimination and implications for studies of past and future climate

AF Diefendorf, KE Mueller, SL Wing… - Proceedings of the …, 2010 - National Acad Sciences
Fractionation of carbon isotopes by plants during CO2 uptake and fixation (Δleaf) varies with
environmental conditions, but quantitative patterns of Δleaf across environmental gradients …

Carbon isotope compositions of terrestrial C3 plants as indicators of (paleo) ecology and (paleo) climate

MJ Kohn - Proceedings of the National Academy of …, 2010 - National Acad Sciences
A broad compilation of modern carbon isotope compositions in all C3 plant types shows a
monotonic increase in δ 13C with decreasing mean annual precipitation (MAP) that differs …

Differences in carbon isotope discrimination between angiosperm and gymnosperm woody plants, and their geological significance

VJ Hare, A Lavergne - Geochimica et Cosmochimica Acta, 2021 - Elsevier
For most of the Phanerozoic Eon, Earth's woody vegetation has been dominated by C 3
plants-predominantly gymnosperms-with angiosperms only emerging as the dominant plant …

Carbon isotope fractionation including photosynthetic and post-photosynthetic processes in C3 plants: Low [CO2] matters

HY Zhang, H Hartmann, G Gleixner, M Thoma… - … et Cosmochimica Acta, 2019 - Elsevier
Carbon isotope ratios of plants are highly informative for the reconstruction of ancient
environments and for the interpretation of plant physiological processes to climate, but their …