Stand dynamics and biomass increment in a lucidophyllous forest over a 28-year period In central Japan

Siyu Chen, Akira Komiyama, Shogo Kato, Ruoming Cao, Shimpei Yoshitake, Toshiyuki Ohtsuka

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Secondary lucidophyllous forest is one of the dominant forests in human-dominated subtropical/warm-temperate regions in East Asia. There were few direct monitoring techniques to elucidate the following hypotheses: (a) self-thinning may govern the stand development process and (b) wood production decline can be observed during secondary succession in a lucidophyllous forest. We conducted a long-term study at a permanent plot in central Japan, since 1989. The forest consists mainly of Castanopsis cuspidata in a canopy layer, Cleyera japonica, and Eurya japonica in a subtree layer. During the 28-year period, the basal area of the stand significantly increased due to the growth of C. cuspidata, from 29.18 ± 1.84 (87.8% of total) to 38.71 ± 2.22 m2s ha-1 (91.9%), while the stem density of C. cuspidata significantly decreased from 666 ± 13 to 404 ± 10 stems ha-1 in proportion to accumulating biomass (117.8 to 166.6 ton ha-1). The annual woody net primary production ranged from 2.40 ± 0.13 to 3.93 ± 0.33 ton ha-1 year-1 as a nearly 70-year-old forest. There was no age-related decline of woody net primary production (NPP) was found during secondary succession, and the growth of individual tree still increased when the self-thinning process governed the stand.

Original languageEnglish
Article number397
JournalForests
Volume8
Issue number10
DOIs
Publication statusPublished - 2017 Oct 17
Externally publishedYes

Fingerprint

stand dynamics
Castanopsis cuspidata
Japan
self thinning
secondary succession
biomass
net primary production
thinning (plants)
Cleyera japonica
primary productivity
stem
stems
secondary forest
secondary forests
East Asia
basal area
canopy
monitoring

Keywords

  • Castanopsis cuspidata
  • Forest development
  • Long-term study
  • Self-thinning
  • Woody NPP

ASJC Scopus subject areas

  • Forestry

Cite this

Stand dynamics and biomass increment in a lucidophyllous forest over a 28-year period In central Japan. / Chen, Siyu; Komiyama, Akira; Kato, Shogo; Cao, Ruoming; Yoshitake, Shimpei; Ohtsuka, Toshiyuki.

In: Forests, Vol. 8, No. 10, 397, 17.10.2017.

Research output: Contribution to journalArticle

Chen, Siyu ; Komiyama, Akira ; Kato, Shogo ; Cao, Ruoming ; Yoshitake, Shimpei ; Ohtsuka, Toshiyuki. / Stand dynamics and biomass increment in a lucidophyllous forest over a 28-year period In central Japan. In: Forests. 2017 ; Vol. 8, No. 10.
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