Height growth decline of Cryptomeria japonica stand edge trees: Effects of clear cut of a neighboring stand on tree growth pattern along the topographical gradient

Spatial distribution of the mean height of upper trees (AVh), mean DBH (AVd)-AVh relationships, and annual height increment of sampled upper trees (HI) were studied in a 33-year-old Cryptomeria japonica plantation where several trees had extremely lower height. In the normal height site, AVh decreas...

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Bibliographic Details
Published inBulletin of the Iwate University Forests (Japan) no. 32
Main Authors Mitsuishi, U. (Iwate Univ., Morioka (Japan)), Kunisaki, T, Hiyane, A
Format Journal Article
LanguageJapanese
Published 01.03.2001
Subjects
CLEAR FELLING
CRYPTOMERIA JAPONICA
FOREST MENSURATION
GROWTH
HEIGHT
TOPOGRAPHY
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Summary:Spatial distribution of the mean height of upper trees (AVh), mean DBH (AVd)-AVh relationships, and annual height increment of sampled upper trees (HI) were studied in a 33-year-old Cryptomeria japonica plantation where several trees had extremely lower height. In the normal height site, AVh decreased with increasing elevation, and AVd increased with increasing AVh. On the other hand, AVh decreased, regardless of the same elevation, with closing clear cutting site, and AVd did not decrease with increasing AVh in the lower height site. HI in the lower height site was approximately the same as that in the normal height site before 15 years old when neighboring stand was clear cut. However, HI in the lower height site was significantly lower than that in the normal height site after 15 years old. Therefore, height growth reduction in the lower height site was not due to low site productivity but clear cut.
Bibliography:2001005077
K10
ISSN:0286-4339