Nonlinear rainfall effects on savanna fire activity across the African Humid Period

AT Karp, KT Uno, MA Berke, JM Russell… - Quaternary Science …, 2023 - Elsevier
Fire is a key ecosystem process in tropical and subtropical savannas, with a varying role that
depends on hydroclimate but also on feedbacks between fire and vegetation. In savannas …

A critical appraisal of charcoal morphometry as a paleofire fuel type proxy

RS Vachula, J Sae-Lim, R Li - Quaternary Science Reviews, 2021 - Elsevier
Fire is an important disturbance mechanism that can alter ecosystems and catalyze
vegetation changes. Paleofire records provide a means of inferring how ecosystems will be …

Global response of fire activity to late Quaternary grazer extinctions

AT Karp, JT Faith, JR Marlon, AC Staver - Science, 2021 - science.org
Fire activity varies substantially at global scales because of the influence of climate, but at
broad spatiotemporal scales, the possible effects of herbivory on fire activity are unknown …

Fire distinguishers: Refined interpretations of polycyclic aromatic hydrocarbons for paleo-applications

AT Karp, AI Holman, P Hopper, K Grice… - … et Cosmochimica Acta, 2020 - Elsevier
Polycyclic aromatic hydrocarbons (PAHs), produced via incomplete combustion of organics,
convey signatures of vegetation burned in the geologic past. New and published burn …

Charcoal morphologies and morphometrics of a Eurasian grass-dominated system for robust interpretation of past fuel and fire type

A Feurdean, RS Vachula, D Hanganu, A Stobbe… - …, 2023 - bg.copernicus.org
Recent developments in morphological and morphometric analyses of charcoal particles
have improved our ability to discern characteristics of burnt plant fuel and interpret fire-type …

Tracking hunter-gatherer impact on vegetation in last interglacial and Holocene Europe: Proxies and challenges

A Nikulina, K MacDonald, F Scherjon… - … method and theory, 2022 - Springer
We review palaeoenvironmental proxies and combinations of these relevant for
understanding hunter-gatherer niche construction activities in pre-agricultural Europe. Our …

Experimental production of charcoal morphologies to discriminate fuel source and fire type in the Siberian taiga

A Feurdean - Biogeosciences discussions, 2021 - bg.copernicus.org
The analysis of charcoal fragments in peat and lake sediments is the most widely used
approach to reconstruct past biomass burning. With a few exceptions, this method typically …

Microscopic charcoals in ocean sediments off Africa track past fire intensity from the continent

A Haliuc, AL Daniau, F Mouillot, W Chen… - … Earth & Environment, 2023 - nature.com
Fires in Africa account for more than half of global fire-carbon emissions but the long-term
evolution of fire activity and its link to global climate change remains elusive. Paleofire …

The reconstruction of burned area and fire severity using charcoal from boreal lake sediments

A Hennebelle, JC Aleman, AA Ali, Y Bergeron… - The …, 2020 - journals.sagepub.com
Although lacustrine sedimentary charcoal has long been used to infer paleofires, their
quantitative reconstructions require improvements of the calibration of their links with fire …

Wildfire-vegetation-climate-human interactions in the central Taiwan region during 17.3–2.0 cal kyr BP, inferred from sediments of Toushe Basin

A Rahman, YP Chang, HC Li, LH Chung… - Quaternary Science …, 2024 - Elsevier
In this study, a long-term relationship amongst wildfire, vegetation, climate, and human in the
central Taiwan region, spanning from 17.3 to 2.0 cal kyr BP, is explored. To investigate this …