Global fire history of grassland biomes

BA Leys, JR Marlon, C Umbanhowar… - Ecology and …, 2018 - Wiley Online Library
Grasslands are globally extensive; they exist in many different climates, at high and low
elevations, on nutrient‐rich and nutrient‐poor soils. Grassland distributions today are closely …

Reconstructing grassland fire history using sedimentary charcoal: Considering count, size and shape

BA Leys, JL Commerford, KK McLauchlan - PLoS One, 2017 - journals.plos.org
Fire is a key Earth system process, with 80% of annual fire activity taking place in grassland
areas. However, past fire regimes in grassland systems have been difficult to quantify due to …

Patterns and predictors of soil organic carbon storage across a continental-scale network

LE Nave, M Bowman, A Gallo, JA Hatten, KA Heckman… - Biogeochemistry, 2021 - Springer
The rarity of rapid campaigns to characterize soils across scales limits opportunities to
investigate variation in soil carbon stocks (SOC) storage simultaneously at large and small …

Sedimentary charcoal studies from southern Africa's grassy biomes: a potential resource for informing the management of fires and ecosystems

AN Dabengwa, S Archibald, J Finch… - African Journal of …, 2022 - Taylor & Francis
African grassy biomes evolved together with fire and have a long history of human
manipulation of fire, yet few rangeland studies acknowledge the role of prehistoric fire in …

Regional variation in Holocene climate quantified from pollen in the Great Plains of North America

JL Commerford, EC Grimm, CJ Morris… - International Journal …, 2018 - Wiley Online Library
ABSTRACT The Great Plains experienced extreme fluctuations in precipitation and
temperature throughout the Holocene, but these fluctuations have been difficult to quantify …

Shallow lake response to Holocene climate variation in south-central Minnesota, USA

ER Tennent, DP Maxbauer… - The Holocene, 2024 - journals.sagepub.com
Sedimentary deposits in lakes across the upper Midwest record the co-evolution of climate
and biogeochemistry since the retreat of the Laurentide Ice Sheet at the end of the last …

Changes in the prairie–forest ecotone in northwest Ontario (Canada) across the Holocene

DC Danesh, CAC Gushulak, MT Moos… - Quaternary …, 2022 - cambridge.org
Pollen and diatom assemblages from well-dated sediment cores from three lakes forming a
west-to-east transect across the boreal forest in northwest Ontario (Canada) were used to …

Late-Quaternary records of vegetation and fire in southeastern North Carolina from Jones Lake and Singletary Lake

J Spencer, KB Jones, DW Gamble… - Quaternary Science …, 2017 - Elsevier
We conducted fossil pollen, charcoal, and geochemical analyses of sediment cores from
Jones Lake and Singletary Lake spanning the last∼ 50,000 cal yr BP to examine the …

Reconstructing large herbivore abundance and environmental interactions in postglacial North America

JAF Wendt IV - 2023 - scholarworks.montana.edu
Large herbivores drive critical ecological processes, yet their long-term dynamics and effects
are poorly understood due to the limitations of existing paleoherbivore proxies. To address …

Improving the efficiency of sediment charcoal image analysis

CE Umbanhowar, JA Umbanhowar - The Holocene, 2021 - journals.sagepub.com
Imaging of charcoal particles extracted from lake sediments provides an important way to
understand past fire regimes. Imaging of large numbers of particles can be time consuming …