Results 61 to 70 of about 1,507 (177)

Phytoliths and Pollen from a Desert Wetland Through the Last Glacial–Interglacial Cycle in Azraq, Jordan

open access: yesQuaternary
Phytoliths, pollen, and spores in a stratigraphic sequence from the Shishan Wetland (Azraq Basin, Jordan) and supported by modern pollen and phytolith data provide information on vegetation, climatic trends, and the influence of fire through MIS 2 and ...
Carlos E. Cordova   +7 more
doaj   +1 more source

The phytolith carbon sequestration in terrestrial ecosystems: the underestimated potential of bamboo forest

open access: yesEcological Processes, 2023
Background Terrestrial ecosystems contain significant carbon storage, vital to the global carbon cycle and climate change. Alterations in human production activities and environmental factors affect the stability of carbon storage in soil.
Xuekun Cheng   +7 more
doaj   +1 more source

Lithic analysis in African archaeology: Advances and key themes

open access: yesArchaeometry, EarlyView.
Abstract Stone artifacts (lithics) preserve for extended periods; thus they are key evidence for probing the evolution of human technological behaviors. Africa boasts the oldest record of stone artifacts, spanning 3.3 Ma, rare instances of ethnographic stone tool‐making, and stone tool archives from diverse ecological settings, making it an anchor for ...
Deborah I. Olszewski   +2 more
wiley   +1 more source

When biology meets materials science – Interdisciplinary applications of electron microscopy

open access: yesJournal of Microscopy, EarlyView.
Abstract Research at the interface between biology and materials science creates challenges for electron microscopists. Everything from the sample preparation to the choice of imaging and analytical techniques and the interpretation of the resulting data refuses to sit comfortably within the domain of one discipline or the other.
Martin Saunders   +5 more
wiley   +1 more source

Bulliform Phytolith Size of Rice and Its Correlation With Hydrothermal Environment: A Preliminary Morphological Study on Species in Southern China

open access: yesFrontiers in Plant Science, 2019
In the last decade, our understanding of rice domestication has improved by new archaeological findings using advanced analytical techniques such as morphological and morphometric analyses on rice grains, spikelet bases and phytoliths, and ancient DNA ...
Can Wang   +8 more
doaj   +1 more source

Increasing the FAIRness of phytolith data

open access: yes, 2022
This presentation was given on the 4th November 2021 to the EOSC WP 3 the meeting for FAIR Phytoliths project. It presents the projects aims and goals, scientific motivation, technical background, current status of data resources and workflows, workplan for implementation, training needs and key risks.
Kerfant, Celine   +5 more
openaire   +4 more sources

Full‐pattern fitting of X‐ray powder diffraction data to determine allophane and organic matter contents in soils

open access: yesSoil Science Society of America Journal, Volume 90, Issue 4, July/August 2026.
Abstract Full‐pattern fitting of X‐ray powder diffraction (XRPD) data using reference materials has attracted increasing attention as a high‐throughput method to determine the contents of long‐range‐ordered (i.e., crystalline) materials in soils. We hypothesized that this XRPD method can also be used to quantify short‐range‐ordered (SRO) materials with
Maya Hamaguchi   +9 more
wiley   +1 more source

Silicon Supplementation of Rescuegrass Reduces Herbivory by a Grasshopper

open access: yesFrontiers in Plant Science, 2019
The theory of coevolution suggests that herbivores play an important role in the diversification and composition of plant communities. A prevalent idea holds that grasses and grazing animals participated in an evolutionary “arms race” as grassland ...
Showkat Hamid Mir   +5 more
doaj   +1 more source

Anthromes and terrestrial carbon

open access: yes
PLANTS, PEOPLE, PLANET, EarlyView.
Anthony P. Walker   +5 more
wiley   +1 more source

Neogene Stable Carbon Isotopic Evolution of the Atmosphere and Low‐Latitude Surface Ocean

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 7, July 2026.
Abstract We reconstruct the stable carbon isotopic composition of Neogene surface ocean dissolved inorganic carbon (δ13CDIC) and atmospheric CO2 (δ13CATM) to serve as input for carbon cycle modeling and proxy‐related studies. The largely observation‐based δ13CDIC reconstructions are inferred from Neogene planktic foraminifer carbonate δ13C records with
J. A. van Dam   +2 more
wiley   +1 more source

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