Carbon cycling and net ecosystem production at an early stage of secondary succession in an abandoned coppice forest

Toshiyuki Ohtsuka, Yoko Shizu, Ai Nishiwaki, Yuichiro Yashiro, Hiroshi Koizumi

    Research output: Contribution to journalArticle

    17 Citations (Scopus)

    Abstract

    Secondary mixed forests are one of the dominant forest cover types in human-dominated temperate regions. However, our understanding of how secondary succession affects carbon cycling and carbon sequestration in these ecosystems is limited. We studied carbon cycling and net ecosystem production (NEP) over 4 years (2004-2008) in a cool-temperate deciduous forest at an early stage of secondary succession (18 years after clear-cutting). Net primary production of the 18-year-old forest in this study was 5.2 tC ha-1year-1, including below-ground coarse roots; this was partitioned into 2.5 tC ha-1year-1 biomass increment, 1.6 tC ha-1year-1 foliage litter, and 1.0 tC ha-1year-1 other woody detritus. The total amount of annual soil surface CO2 efflux was 6.8 tC ha-1year-1, which included root respiration (1.9 tC ha-1year-1) and heterotrophic respiration (RH) from soils (4.9 tC ha-1year-1). The 18-year forest at this study site exhibited a great increase in biomass pool as a result of considerable total tree growth and low mortality of tree stems. In contrast, the soil organic matter (SOM) pool decreased markedly (-1.6 tC ha-1year-1), although further study of below-ground detritus production and RH of SOM decomposition is needed. This young 18-year forest was a weak carbon sink (0.9 tC ha-1year-1) at this stage of secondary succession. The NEP of this 18-year forest is likely to increase gradually because biomass increases with tree growth and with the improvement of the SOM pool through increasing litter and dead wood production with stand development.

    Original languageEnglish
    Pages (from-to)393-401
    Number of pages9
    JournalJournal of Plant Research
    Volume123
    Issue number4
    DOIs
    Publication statusPublished - 2010

    Fingerprint

    net ecosystem production
    carbon
    soil organic matter
    litters (young animals)
    tree growth
    breathing
    biomass
    clearcutting
    tree mortality
    dead wood
    secondary forests
    mixed forests
    temperate forests
    deciduous forests
    carbon sequestration
    carbon sinks
    primary productivity
    soil
    secondary succession
    stems

    Keywords

    • Carbon cycling
    • Net ecosystem production
    • Net primary production
    • Secondary succession
    • Soil respiration
    • Takayama

    ASJC Scopus subject areas

    • Plant Science

    Cite this

    Carbon cycling and net ecosystem production at an early stage of secondary succession in an abandoned coppice forest. / Ohtsuka, Toshiyuki; Shizu, Yoko; Nishiwaki, Ai; Yashiro, Yuichiro; Koizumi, Hiroshi.

    In: Journal of Plant Research, Vol. 123, No. 4, 2010, p. 393-401.

    Research output: Contribution to journalArticle

    Ohtsuka, Toshiyuki ; Shizu, Yoko ; Nishiwaki, Ai ; Yashiro, Yuichiro ; Koizumi, Hiroshi. / Carbon cycling and net ecosystem production at an early stage of secondary succession in an abandoned coppice forest. In: Journal of Plant Research. 2010 ; Vol. 123, No. 4. pp. 393-401.
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