Seasonal variability of soil respiration in multiple ecosystems under the same physical-geographical environmental conditions in central Japan

Tomoharu Inoue, Shin Nagai, Shota Inoue, Masahiro Ozaki, Shohei Sakai, Hiroyuki Muraoka, Hiroshi Koizumi

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    We investigated the relationships between soil respiration and environmental factors during foliation and defoliation periods in three ecosystems under the same physical-geographical environmental conditions in central Japan. These ecosystems comprised deciduous broad-leaved forest (Quercus crispula dominated, site Q), deciduous needle-leaved forest (Larix kaempferi dominated, site L), and grassland (Zoysia japonica dominated, site Z). Field measurements of soil respiration were made using a closed chamber method with an infrared gas analyzer at monthly intervals in the snow-free seasons from May 2010 to November 2011. Soil respiration began to increase in May, peaked rapidly in summer (July to September), and decreased in November. The seasonal patterns of soil respiration and soil temperature were nearly parallel among the three sites, with one exception, which may have been caused by the decrease in soil water content during summer months (July to September). Although Q10 values based on the entire measurement period in 2010 were roughly the same as those in 2011 at the three sites, there was a large difference in Q10 between the foliation and defoliation periods in both years, especially at the two forest sites. These differences among the three sites may be caused by differences in soil temperature dynamics and precipitation activity. To better understand the relationship between soil respiration and environmental factors, continuous observations are needed of soil respiration, environmental factors, and biological activities both below ground and above ground under the same physical-geographical environmental conditions.

    Original languageEnglish
    Pages (from-to)52-60
    Number of pages9
    JournalForest Science and Technology
    Volume8
    Issue number2
    DOIs
    Publication statusPublished - 2012

    Fingerprint

    soil respiration
    seasonal variation
    environmental conditions
    Japan
    environmental factors
    ecosystems
    ecosystem
    environmental factor
    defoliation
    foliation
    soil temperature
    Zoysia japonica
    Quercus mongolica
    Larix kaempferi
    broad-leaved forest
    summer
    deciduous forest
    snow
    soil water content
    bioactive properties

    Keywords

    • Forest ecosystem
    • Grassland ecosystem
    • Multiple ecosystems
    • Phenology
    • Q
    • Soil respiration

    ASJC Scopus subject areas

    • Forestry
    • Management, Monitoring, Policy and Law

    Cite this

    Seasonal variability of soil respiration in multiple ecosystems under the same physical-geographical environmental conditions in central Japan. / Inoue, Tomoharu; Nagai, Shin; Inoue, Shota; Ozaki, Masahiro; Sakai, Shohei; Muraoka, Hiroyuki; Koizumi, Hiroshi.

    In: Forest Science and Technology, Vol. 8, No. 2, 2012, p. 52-60.

    Research output: Contribution to journalArticle

    Inoue, Tomoharu ; Nagai, Shin ; Inoue, Shota ; Ozaki, Masahiro ; Sakai, Shohei ; Muraoka, Hiroyuki ; Koizumi, Hiroshi. / Seasonal variability of soil respiration in multiple ecosystems under the same physical-geographical environmental conditions in central Japan. In: Forest Science and Technology. 2012 ; Vol. 8, No. 2. pp. 52-60.
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