Preliminary use of ground-penetrating radar and electrical resistivity tomography to study tree roots in pine forests and poplar plantations

Functional Plant Biology : FPB
Terenzio ZenoneGuenther Seufert

Abstract

In this study, we assess the possibility of using ground penetrating radar (GPR) and electrical resistivity tomography (ERT) as indirect non-destructive techniques for root detection. Two experimental sites were investigated: a poplar plantation [mean height of plants 25.7 m, diameter at breast height (dbh) 33 cm] and a pinewood forest mainly composed of Pinus pinea L. and Pinus pinaster Ait. (mean height 17 m, dbh 29 cm). GPR measures were taken using antennas of 900 and 1500 MHz applied in square and circular grids. ERT was previously tested along 2-D lines, compared with GPR sections and direct observation of the roots, and then using a complete 3-D acquisition technique. Three-dimensional reconstructions using grids of electrodes centred and evenly spaced around the tree were used in all cases (poplar and pine), and repeated in different periods in the pine forest (April, June and September) to investigate the influence of water saturation on the results obtainable. The investigated roots systems were entirely excavated using AIR-SPADE Series 2000. In order to acquire morphological information on the root system, to be compared with the GPR and ERT, poplar and pine roots were scanned using a portable on ground scanning LIDA...Continue Reading

References

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Citations

Apr 25, 2012·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Douglas B Kell
Dec 4, 2014·Annals of Botany·Risto SievänenEero Nikinmaa
Jan 29, 2011·Journal of Experimental Botany·Josef UrbanRaphael Mainiero
Jul 28, 2018·Sensors·Thomas TruongKhan Wahid
Jun 14, 2015·Journal of Experimental Botany·René C P KuijkenHarro J Bouwmeester
Dec 15, 2020·Physiologia Plantarum·Jitendra KumarKadambot H M Siddique
Dec 15, 2020·Plant Phenomics : a Science Partner Journal·Sam SultanSaket Navlakha
Mar 26, 2021·Breeding Science·Hirokazu Takahashi, Christophe Pradal

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