Coarse woody debris mass dynamics in temperate natural forests of Mt. Jumbong, Korea

Tae Kyung Yoon, Haegeun Chung, Rae Hyun Kim, Nam Jin Noh, Kyung Won Seo, Sue Kyoung Lee, Wooyong Jo, Yowhan Son

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Coarse woody debris (CWD) mass dynamics in three temperate natural forests, dominated by Quercus mongolica, Abies holophylla, and Pinus densifora, were studied for 5 to 8 years in a Korea National Long-Term Ecological Research (KNLTER) site located in Mt. Jumbong, Korea. CWD mass (Mg/ha), input rate of CWD mass (Mg ha-1 y1), and decay rate constant (1/y) were 20.6, 1.20, and 0.058 for Q. mongolica forest, 12.2, 0.44, 0.106 for A holophylla forest, and 5.0, 0.00, and 0.086 for P. densiflora forest, respectively. CWD mass was classified into species, types (log, snag, and stump), and decay classes (I-V). The proportion of logs was higher than that of the other CWD types in Q. mongolica forest because of wind-related mortality, whereas the proportion of logs was similar to the proportion of snags in A. holophylla forest and P. densiflora forest. CWD mass, input rate, decay rate, and distribution refected the status of forest regeneration and succession for three forests. Mass dynamics were affected interactively by a variety of factors including species, microclimate, and topography, but these effects were hardly distinguishable in this study because of the limited number of comparable sites and pieces of CWD Thus, further studies will require data regarding long-term microclimate and CWD mass dynamics in a variety of forest types, which could represent diverse environmental factors.

Original languageEnglish
Pages (from-to)115-125
Number of pages11
JournalJournal of Ecology and Field Biology
Volume34
Issue number1
DOIs
Publication statusPublished - 2011

Keywords

  • Coarse woody debris (CWD)
  • Decay rate constant
  • Mass dynamics
  • Temperate natural forest

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

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