Influence of thinning on carbon storage in soil, forest floor and coarse woody debris of Larix kaempferi stands in Korea

Suin Ko, Yowhan Son, Nam Jin Noh, Tae Kyung Yoon, Choonsig Kim, Sang Won Bae, Jaehong Hwang, Sang Tae Lee, Hyun Seop Kim

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    This study examined the effects of thinning intensities on carbon (C) storage of soil, forest floor and coarse woody debris (CWD) in Larix kaempferi stands, Korea. Two study stands were located in Gwangneung Experiment Forest (Stand 1: 31-40 years old) and Muju (Stand 2: 51-60 years old). These stands were thinned in 2011. Each stand was divided into three plots by different thinning intensities based on removed volume: no thinning (control, 0%), moderate thinning (M, 20%), and heavy thinning (H, 30%). The C storage of soil at 0-50 cm depth, forest floor, and CWD was measured in 2011. Total C storage of H plot was significantly higher than that of control plot andMplot in Stand 1 (control: 64.6 t C ha-1, M: 62.2 t C ha-1, H: 83.7 t C ha-1). A similar tendency was also found in Stand 2; total C storage of H plot was significantly higher than that of control plot andMplot (control: 137.8 t C ha-1; M: 138.0 tCha-1; H: 169.6 t C ha-1). Initial effectsof thinning intensities onCstorage were analyzed as a partof the 10-year study, and we expect to determine the correct thinning intensity that optimizes C storage of soil, forest floor, and CWDby long-termmonitoring of changes in C storage at this experimental site.

    Original languageEnglish
    Pages (from-to)116-121
    Number of pages6
    JournalForest Science and Technology
    Volume8
    Issue number2
    DOIs
    Publication statusPublished - 2012

    Bibliographical note

    Funding Information:
    This study was supported by the Forest Practice Research Center, Korea Forest Research Institute in 2011. We gratefully acknowledge Wooyong Jo, Koong Yi, and Yejee Jung for field assistance and supporting experiments.

    Keywords

    • Carbon storage
    • Forest soil
    • Silvicultural treatment
    • Thinning intensities

    ASJC Scopus subject areas

    • Forestry
    • Management, Monitoring, Policy and Law

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