Journal of Japanese Association of Hydrological Sciences
Online ISSN : 1883-7166
Print ISSN : 1342-9612
ISSN-L : 1342-9612
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Volume 47, Issue 1
Displaying 1-6 of 6 articles from this issue
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FOREWARD
RESEARCH NOTE
  • Relationships of sapwood area and width of bark to diameter at breast height of Japanese cedar planted in the Tohoku district, Japan
    Shin’ichi IIDA, Shoji NOGUCHI, Takanori SHIMIZU, Tomonori KANEKO
    2017 Volume 47 Issue 1 Pages 3-9
    Published: April 28, 2017
    Released on J-STAGE: May 15, 2017
    DOIhttps://doi.org/10.4145/jahs.47.3
    JOURNAL FREE ACCESS
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    Very few measurements of sapwood area (ASW) and width of bark are found in Tohoku district comparing with the west of Kanto region. To fill this lack of data, we mainly measured ASW, widths of sapwood (WSW) and total bark (WTB) in a mature stand of Japanese cedar (Cryptomeria japonica D. Don) planted in the Nagasaka Experimental Watershed located in Ohdate city, Akita prefecture, Japan. We found the linear relationships of WSW and ASW to diameter at breast height (DBH), which are similar trends reported for Japanese cedar stands in other areas of Japan. Like as the previous study, WTB had the positive correlation with DBH. Our results corresponded well with the regression equation derived from the data obtained in the west of Kanto region proposed by Tsuruta et al. (2011). There are some possibilities that their equation could be applicable to Japanese cedar stands in Tohoku district.

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SERIES "Research frontiers in hydrology"
SERIES "Next step of Japanese Association of Hydrological Sciences"
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