C, 
Cs and stable carbon composition in forest soil and its implicationsGuo, J.; Atarashi-Andoh, Mariko 
; Amano, Hikaru
Soil organic matter content, 
C, C and Cs radioactivity were determined in 3 undisturbed forest soil profiles in Ibaraki prefecture, Japan to estimate C migration in surface environment. The Cs data illustrate that no disturbance has occurred during past years in 3 soil profiles. The peak values are observed in the top 10 cm of the soil profiles. C activities were determined with fast bomb combustion-liquid scintillation counting method. C determination shows that C also has peak values in the top 10 cm of the soil profiles ascribed to the highest bomb C level in 1960's.C values continuously decreased with increasing soil depth. Enrichment of deeper soils in isotope ratio probably results from discrimination against C during mineralization and loss of isotopically lighter carbon from soils due to root uptake, leaching etc.It shows that C is an excellent indicator of soil carbon turnover and belowground process.
Language |
: | English |
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Volume |
: | 255 |
Number |
: | 1 |
Pages |
: | p.223 - 229 |
Publication Year/Month |
: | 2003/01 |
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Held date |
: | 2001/10 |
Location (city) |
: | Fukuoka |
Location (country) |
: | Japan |
Paper URL |
: |
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