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 …

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 …

[HTML][HTML] Evolutionary differences in Δ13C detected between spore and seed bearing plants following exposure to a range of atmospheric O2: CO2 ratios; implications …

AS Porter, C Yiotis, IP Montañez… - … et Cosmochimica Acta, 2017 - Elsevier
The stable carbon isotopes of fossil plants are a reflection of the atmosphere and
environment in which they grew. Fossil plant remains have thus stored information about the …

Leaf wax n-alkane carbon isotope values vary among major terrestrial plant groups: Different responses to precipitation amount and temperature, and implications for …

J Liu, Z An - Earth-Science Reviews, 2020 - Elsevier
Studies focused on field measurements have been conducted to investigate how leaf wax n-
alkane δ 13 C values vary among photosynthetic pathways (C 3 vs. C 4) or plant types …

Variations in the stable carbon isotope compositions of individual lipids from the leaves of modern angiosperms: implications for the study of higher land plant-derived …

MJ Lockheart, PF Van Bergen, RP Evershed - Organic Geochemistry, 1997 - Elsevier
Seasonal changes in δ13C values for individual lipids from the leaves of several species of
tree have been studied in order to provide essential background information for use in future …

Carbon isotopic abundances in Mesozoic and Cenozoic fossil plants: palaeoecological implications

H Bocherens, EM Friis, A Mariotti, KR Pedersen - Lethaia, 1993 - Wiley Online Library
Carbon isotopic abundances have been measured for more than one hundred samples of
fossil plants ranging in age from middle Triassic to late Tertiary. Most of the plant fossils were …

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 …

Can C3 plants faithfully record the carbon isotopic composition of atmospheric carbon dioxide?

NC Arens, AH Jahren, R Amundson - Paleobiology, 2000 - cambridge.org
Atmospheric carbon dioxide is the raw material for the biosphere. Therefore, changes in the
carbon isotopic composition of the atmosphere will influence the terrestrial δ13C signals we …

Extracting the most from terrestrial plant-derived n-alkyl lipids and their carbon isotopes from the sedimentary record: A review

AF Diefendorf, EJ Freimuth - Organic Geochemistry, 2017 - Elsevier
Terrestrial plant biomarkers and their carbon isotopes provide insights into carbon cycling,
paleovegetation and paleoclimate, ranging in scale from local to global. Over the past …

Fossil bryophytes as recorders of ancient CO2 levels: Experimental evidence and a Cretaceous case study

BJ Fletcher, DJ Beerling, SJ Brentnall… - Global …, 2005 - Wiley Online Library
Biological and geochemical CO2 proxies provide critical constraints on understanding the
role of atmospheric CO2 in driving climate change during Earth history. As no single existing …