NDLI: Characteristics of AC conductivity of tree for detecting tree clones

Content Provider	IEEE Xplore Digital Library
Author	Motonaga, Y. Homma, K.
Copyright Year	2015
Description	Author affiliation: Inst. of Sci. & Technol., Niigata Univ., Niigata, Japan (Motonaga, Y.; Homma, K.)
Abstract	In this paper we propose a new method, `bioelectrical impedance method' to distinguish clonal plant in the forest community. Bioelectrical impedance methods have rarely used in forestry and forest ecology except a case of water status measurement in tree, though it has been applied in many other fields especially in medical uses, such as BMI (body mass index) measurement. The internal soil impedance, internal tree impedance and grounding impedance of clonal tree were measured by using an LCR meter. The impedance of internal soil was decreased as VWC of soil increased. Internal tree impedance and grounding impedance showed similar pattern to the soil in frequency response. Comparing the three parameters, we found that the orders of them were as follows; internal soil impedance <; grounding impedance <; internal trunk impedance. The AC signal was transferred between trunks connected underground though soil impedance and grounding impedance were smaller than internal tree impedance. AC signal was transferred clearly at relatively lower frequency and the frequency from 5 kHz to 10 kHz was favorable to the measurement. Those results suggested that it was possible to distinguish clonal tree ramets from other timbers without any destruction by using AC signals with relatively low voltage.
Starting Page	1203
Ending Page	1206
File Size	188054
Page Count	4
File Format	PDF
ISBN	9784907764487
DOI	10.1109/SICE.2015.7285482
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-28
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	The Society of Instrument and Control Engineers - SICE
Subject Keyword	Impedance Vegetation Soil Soil measurements Impedance measurement Grounding Electrodes forest ecology clonal tree bioelectrical impedance grounding impedance ramet
Content Type	Text
Resource Type	Article

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