A long-term decrease in the persistence of soil carbon caused by ancient Maya land use

PMJ Douglas, M Pagani, TI Eglinton, M Brenner… - Nature …, 2018 - nature.com
The long-term effects of deforestation on tropical forest soil carbon reservoirs are important
for estimating the consequences of land use on the global carbon cycle, but are poorly …

[HTML][HTML] GC-MS Metabolomics to Evaluate the Composition of Plant Cuticular Waxes for Four Triticum aestivum Cultivars

FD Lavergne, CD Broeckling, DM Cockrell… - International journal of …, 2018 - mdpi.com
Wheat (Triticum aestivum L.) is an important food crop, and biotic and abiotic stresses
significantly impact grain yield. Wheat leaf and stem surface waxes are associated with traits …

Leaf wax n-alkanes in modern plants and topsoils from eastern Georgia (Caucasus) – implications for reconstructing regional paleovegetation

M Bliedtner, IK Schäfer, R Zech… - …, 2018 - bg.copernicus.org
Long-chain n-alkanes originate from leaf waxes of higher terrestrial plants, they are
relatively resistant against physical and chemical degradation and are preserved in …

[HTML][HTML] A multiproxy record of palaeoenvironmental conditions at the Middle Palaeolithic site of Abric del Pastor (Eastern Iberia)

R Connolly, M Jambrina-Enríquez… - Quaternary Science …, 2019 - Elsevier
This paper presents a multiproxy palaeoenvironmental study from Abric del Pastor (Alcoy,
Spain), a rock shelter which has yielded evidence for Middle Palaeolithic human occupation …

Biomarker proxies for reconstructing Quaternary climate and environmental change

EL McClymont, H Mackay… - Journal of …, 2023 - Wiley Online Library
To reconstruct past environmental changes, a range of indirect or proxy approaches can be
applied to Quaternary archives. Here, we review the complementary and novel insights that …

[HTML][HTML] Evaluating different methods for calculating the Carbon Preference Index (CPI): Implications for palaeoecological and archaeological research

AV Herrera-Herrera, L Leierer… - Organic …, 2020 - Elsevier
Abstract The Carbon Preference Index (CPI) is a molecular ratio often used to assign the
biological source and maturity of organic matter. This parameter is frequently employed in …

Eastern Mediterranean hydroclimate reconstruction over the last 3600 years based on sedimentary n-alkanes, their carbon and hydrogen isotope composition and …

C Katrantsiotis, ME Kylander, R Smittenberg… - Quaternary Science …, 2018 - Elsevier
Understanding past hydroclimate variability and related drivers is essential to improve
climate forecasting capabilities especially in areas with high climatic sensitivity, such as the …

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 …

[HTML][HTML] Different hydrogen isotope fractionations during lipid formation in higher plants: Implications for paleohydrology reconstruction at a global scale

J Liu, W Liu, Z An, H Yang - Scientific reports, 2016 - nature.com
Leaf wax δD n-alkane values have shown to differ significantly among plant life forms (eg,
among grasses, shrubs and trees) in higher plants. However, the underlying causes for the …

Sedimentary n-alkanes and n-alkanoic acids in a temperate bog are biased toward woody plants

EJ Freimuth, AF Diefendorf, TV Lowell, GC Wiles - Organic Geochemistry, 2019 - Elsevier
Sedimentary plant waxes and their hydrogen and carbon (δ 2 H and δ 13 C) isotopes are
important proxies for past hydrologic and vegetation change. However sedimentary waxes …