Editorial: Frontiers in Phytolith Research

Hodson, Martin J.; Song, Zhaoliang; Ball, T. Blake; Elbaum, Rivka; Struyf, Eric

doi:10.3389/fpls.2020.00454

Cited by 11 publications

(6 citation statements)

References 10 publications

(12 reference statements)

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“…Phytoliths are being used for an ever-expanding list of research topics and applications (Hart 2016;Hodson et al 2020). In recent years, there has been a substantial increase in research, and this has resulted in an upsurge in publications.…”

Section: What Are Phytoliths and How Are They Used In Archaeology And Paleaeoecology?mentioning

confidence: 99%

Pre-print of Assessing Open Science Practices in Phytolith Research

Karoune¹

2020

Preprint

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Open science is becoming an integral part of all scientific research but the extent of these practices in phytolith research is unknown. Phytolith analysis examines silica bodies that are initially formed within and between plant cells during the life of the plant but become deposited in sediments once the plant dies. Their use in both archaeobotanical and palaeoecological studies has been ever increasing in recent years and consequently has seen an upsurge in publications. This article aims to assess open science practices in this field by reviewing data and metadata sharing, and open access, in a sample of journal articles containing primary phytolith data from 16 prominent archaeological and palaeoecological journals (341 articles). It builds on similar studies conducted for zooarchaeology (Kansa et al. 2020) and macro-botanical remains (Lodwick 2019). Data in this study was collected concerning data format, reusability of data, inclusion of phytolith morphotype pictures for identification purposes and a fully described method, use of the International code for phytolith nomenclature (ICPN) and whether the articles were open access. Steps forward are then suggested to use as a starting point for discussions in the wider phytolith and archaeological communities to develop guidelines for greater integration of open science practices.

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Section: What Are Phytoliths and How Are They Used In Archaeology And Paleaeoecology?mentioning

confidence: 99%

Pre-print of Assessing Open Science Practices in Phytolith Research

Karoune¹

2020

Preprint

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show abstract

“…The use of phytolith analysis for archaeological and palaeoecological studies has been increasing in recent year in terms of its methods and their applications (Hart 2016;Hodson et al 2020). Phytoliths are silica bodies that are formed within plant cells during the lifetime of the plant and can be used to identify plant taxa to different taxonomic levels (Piperno 2006).…”

Section: Contextmentioning

confidence: 99%

Pre-print of data paper for assessing open science practices in phytolith research.

Karoune¹

2020

Preprint

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This is a dataset gathered to assess the state of open science practices in phytolith research. All articles presenting primary phytolith data were extracted from 16 prominent archaeological and palaeoecological journals between 2009 and 2018. In total, the dataset contains information on 341 articles. This included archaeological (n=214), palaeoenvironmental (n=53) and methodological (n=74) studies. Information was recorded regarding the data location and what type of data was included in the text and as supplementary files. There was also data recorded in relation to open access, picture inclusion, use of the International code for Phytolith Nomenclature (ICPN) and the inclusion of a full method.

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“…Although dissolution of phytoliths has been intensively studied for the past few decades, mechanistic understanding is still under debate (Kögel-Knabner et al 2010; Hodson et al 2020). Contrasting observations on dissolution properties have been reported in recent studies that examined 'fresh' (in straw), 'ashed' (in burned straw) and 'aged' phytoliths (in soils).…”

Section: Introductionmentioning

confidence: 99%

The Regulatory Role of CO2 on Nutrient Releases from Rice-Straw Phytoliths

Nguyen

et al. 2022

Preprint

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Phytolith has been widely known as a porous silica structure in numerous silicon (Si) accumulator plants, e.g., rice, that contain various nutrients and other beneficial elements too. When rice straw is returned to paddy fields, the silica structure of phytolith can be dissolved, thereby releasing its occluded nutrients. While the intrinsic characteristics and dissolution properties of phytoliths under the effect of solution chemistry have been intensively studied, the effect of gas phases, especially CO2, on phytolith stability and the implications for nutrient release are not fully known. Here, dissolution properties of phytolith ashes obtained from dry ashing of rice straw at 400, 600 and 800οC were investigated by quantifying Si release together with other nutrients under two atmospheric conditions, i.e., without and with CO2 support (aeration). In a time span of 6 days, the releases of nutrients (K, P, Ca, Mg) showed high dependence on the overall dissolution of the phytolith ashes. CO2 significantly reduced the dissolution rate of the phytolith ashes but increased the release rates of cationic as well as anionic nutrients. The aeration of CO2 shifted the carbonate equilibrium (H2CO3, HCO3− and CO32−) towards H2CO3, reducing solution pH, thereby decreasing the dissolution rate of phytoliths. Following this, intensification of H+ exchange promoted vast evacuation of cationic nutrients from the phytolith ashes. This indicates contrast responses of phytoliths and their occluded nutrients to CO2, and provides a better insight on the fate of soil phytoliths and the tendency of nutrient budgets from rice straw phytoliths in soils.

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Editorial: Frontiers in Phytolith Research

Cited by 11 publications

References 10 publications

Pre-print of Assessing Open Science Practices in Phytolith Research

Pre-print of Assessing Open Science Practices in Phytolith Research

Pre-print of data paper for assessing open science practices in phytolith research.

The Regulatory Role of CO2 on Nutrient Releases from Rice-Straw Phytoliths

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