NDLI: Estimation of the fine root biomass in a Japanese cedar (Cryptomeria japonica) plantation using minirhizotrons

Content Provider	Springer Nature Link
Author	guchi, Kyotaro Sakata, Tadashi Mizoguchi, Takeo Takahashi, Masamichi
Copyright Year	2004
Abstract	We estimated fine root biomass in a Japanese cedar (Cryptomeria japonica) plantation using a minirhizotron technique. Since data obtained from minirhizotrons are limited to the length and diameter of fine roots observed on minirhizotron tubes, data conversion is necessary to determine the fine root biomass per unit soil volume or unit stand area. We first examined the regression between diameter squared and weight per unit length of fine roots in soil core samples, and calculated the fine root biomass on minirhizotron tubes from their length and diameter. Then we determined conversion factors based on the ratio of the fine root biomass in soil core samples to that on minirhizotron tubes. We examined calculation methods, using a single conversion factor for total fine root biomass in the soil for depths of 0–40 cm (Cal1), or using four conversion factors for fine roots in the soil at 10-cm intervals (Cal2). Cal1 overestimated fine root biomass in the lower soil or underestimated that in the upper soil, while fine root biomass calculated using Cal2 better matched that in soil core samples. These results suggest that minirhizotron data should be converted separately for different soil depths to better estimate fine root biomass.
Starting Page	261
Ending Page	264
Page Count	4
File Format	PDF
ISSN	13416979
Journal	Journal of Forest Research
Volume Number	9
Issue Number	3
e-ISSN	16107403
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-08-01
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Minirhizotron Core sampling Conversion factor Fine root biomass Cryptomeria japonica Forestry Forestry Management Tree Biology Plant Sciences Plant Ecology
Content Type	Text
Resource Type	Article
Subject	Forestry

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Estimating the production and mortality of fine roots in a Japanese cedar (Cryptomeria japonica D. Don) plantation using a minirhizotron technique

Root development across a chronosequence in a Japanese cedar (Cryptomeria japonica D. Don) plantation

Fine root dynamics in organic and mineral soil layers of Cryptomeria japonica D. Don plantation

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Construction of a core collection and evaluation of genetic resources for Cryptomeria japonica (Japanese cedar)

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Estimating the production and mortality of fine roots in a Japanese cedar (Cryptomeria japonica D. Don) plantation using a minirhizotron technique

Estimation of the fine root biomass in a Japanese cedar (Cryptomeria japonica) plantation using minirhizotrons

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