Microbial biomass in relation to primary succession on arctic deglaciated moraines

Yukiko S. Bekku, Atsushi Kume, Takayuki Nakatsubo, Takehiro Masuzawa, Hiroshi Kanda, Hiroshi Koizumi

Research output: Contribution to journalArticle

Abstract

Microbial biomass in arctic soil was examined in relation to a primary succession on arctic deglaciated moraines in Ny-Alesund, Svalbard (79°N, 12°E). Soil samples at four study sites representing different successional stages were collected at every 1cm depth from the soil surface to 3cm depth in early August 1995. Microbial biomass was measured with a substrate-induced respiration procedure. The microbial biomass was highest at the soil surface (0-1cm depth) in all successional stages, and decreased to a negligible amount at 3cm depth. Mean microbial biomass in 0-2cm layer increased from 0.06mgCg^<-1> soil d. w. in the youngest site to 1.03mgC g^<-1> soil d. w. in the oldest site, which is comparable to ecosystems in warmer regions. Throughout all successional stages, there was positive high correlation between soil carbon or nitrogen content and microbial biomass.
Original languageEnglish
Pages (from-to)47-53
Number of pages7
JournalPolar Bioscience
Volume12
Publication statusPublished - Feb 1 1999

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primary succession
biomass
soil surface
soil
soil nitrogen
soil carbon
respiration
substrate
ecosystem

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Bekku, Y. S., Kume, A., Nakatsubo, T., Masuzawa, T., Kanda, H., & Koizumi, H. (1999). Microbial biomass in relation to primary succession on arctic deglaciated moraines. Polar Bioscience, 12, 47-53.

Microbial biomass in relation to primary succession on arctic deglaciated moraines. / Bekku, Yukiko S.; Kume, Atsushi; Nakatsubo, Takayuki; Masuzawa, Takehiro; Kanda, Hiroshi; Koizumi, Hiroshi.

In: Polar Bioscience, Vol. 12, 01.02.1999, p. 47-53.

Research output: Contribution to journalArticle

Bekku, YS, Kume, A, Nakatsubo, T, Masuzawa, T, Kanda, H & Koizumi, H 1999, 'Microbial biomass in relation to primary succession on arctic deglaciated moraines', Polar Bioscience, vol. 12, pp. 47-53.
Bekku YS, Kume A, Nakatsubo T, Masuzawa T, Kanda H, Koizumi H. Microbial biomass in relation to primary succession on arctic deglaciated moraines. Polar Bioscience. 1999 Feb 1;12:47-53.
Bekku, Yukiko S. ; Kume, Atsushi ; Nakatsubo, Takayuki ; Masuzawa, Takehiro ; Kanda, Hiroshi ; Koizumi, Hiroshi. / Microbial biomass in relation to primary succession on arctic deglaciated moraines. In: Polar Bioscience. 1999 ; Vol. 12. pp. 47-53.
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