Articles | Volume 18, issue 18
https://doi.org/10.5194/bg-18-5163-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-5163-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Sep 2021
Research article |
| 22 Sep 2021
| 22 Sep 2021
Spatial patterns of aboveground phytogenic Si stocks in a grass-dominated catchment – results from UAS-based high-resolution remote sensing
Marc Wehrhan
CORRESPONDING AUTHOR
Leibniz Centre for Agricultural Landscape Research (ZALF),
“Landscape Pedology” Working Group, 15374 Müncheberg, Germany
Daniel Puppe
Leibniz Centre for Agricultural Landscape Research (ZALF), “Silicon
Biogeochemistry” Working Group, 15374 Müncheberg, Germany
Danuta Kaczorek
Leibniz Centre for Agricultural Landscape Research (ZALF),
“Landscape Pedology” Working Group, 15374 Müncheberg, Germany
Department of Soil
Environment Sciences, Warsaw University of Life Sciences (SGGW), 02-776 Warsaw, Poland
Michael Sommer
Leibniz Centre for Agricultural Landscape Research (ZALF),
“Landscape Pedology” Working Group, 15374 Müncheberg, Germany
Leibniz Centre for Agricultural Landscape Research (ZALF), “Silicon
Biogeochemistry” Working Group, 15374 Müncheberg, Germany
Institute of Geography and Environmental
Science, University of Potsdam, 14476 Potsdam, Germany
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Short summary
UAS remote sensing provides a promising tool for new insights into Si biogeochemistry at catchment scale. Our study on an artificial catchment shows surprisingly high silicon stocks in the biomass of two grass species (C. epigejos, 7 g m−2; P. australis, 27 g m−2). The distribution of initial sediment properties (clay, Tiron-extractable Si, nitrogen, plant-available potassium) controlled the spatial distribution of C. epigejos. Soil wetness determined the occurrence of P. australis.
UAS remote sensing provides a promising tool for new insights into Si biogeochemistry at...
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