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Stand and self-thinning dynamics in natural Abies stands in northern Hokkaido, Japan

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Title: Stand and self-thinning dynamics in natural Abies stands in northern Hokkaido, Japan
Authors: SHIBUYA, Masato Browse this author →KAKEN DB
HAGA, Norikuni Browse this author
SASAKI, Takehito Browse this author
KIKUCHI, Shun-ichi Browse this author
HARUKI, Masahiro Browse this author
NODA, Masato Browse this author
TAKAHASHI, Kunihide Browse this author
MATSUDA, Kyo Browse this author
Keywords: Abies
above-ground biomass
stand structure
self-thinning
wave-type regeneration
Issue Date: May-2004
Publisher: Springer
Journal Title: Ecological Research
Volume: 19
Issue: 3
Start Page: 301
End Page: 309
Publisher DOI: 10.1111/j.1440-1703.2004.00639.x
Abstract: Stand dynamics and self-thinning were analyzed in relation to the dynamics of above-ground biomass in natural Abies sachalinensis stands growing on sand dunes in northern Hokkaido, Japan. This was done in order to examine wave-type regeneration in the stands. Fifty-two plots were established in almost pure Abies stands that ranged from saplings to the mature and collapsing growth stages. Above-ground biomass and tree height reached asymptotic levels prior to the collapsing phase, unlike wave-regeneration Abies stands in central Japan and North America. Stand density was high in the young growth stages, but the self-thinning rate, that is, the density decrease per biomass growth in the study stands was greater than in wave-regeneration stands in central Japan, as indicated by a large self-thinning exponent (−1.26 by reduced major axis regression). The range of tree height distribution was very narrow, and the stands’ vertical structure was typically single-layered. The slenderness ratio of trees was large, except in young stands. In mature and collapsing stands, advanced seedling density increased markedly. These stand and tree characteristics were considered to be correlated with the wave-type regeneration in the study stands, and it is assumed that prevailing winds affect tree mortality.
Rights: The final publication is available at link.springer.com
Type: article (author version)
URI: http://hdl.handle.net/2115/68119
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 澁谷 正人

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