Influence of salt spray damage caused by typhoon 0415 on trees in Akita Prefecture, northern Japan : variations between species and localities and the windbreak functions of coastal pine forests

DOI Web Site 33 References
  • Sanda Shun-ichi
    Faculty of Bioresource Sciences, Akita Prefectural University : (Present address) Sumitomo Forestry Timberland Management Co., Ltd.
  • Hoshizaki Kazuhiko
    Faculty of Bioresource Sciences, Akita Prefectural University
  • Sasaki Yoshiaki
    Faculty of Bioresource Sciences, Akita Prefectural University
  • Kaneta Yoshihiro
    Faculty of Bioresource Sciences, Akita Prefectural University
  • Wada Satoru
    Forest Technology Center, Akita Prefectural Agriculture, Forestry and Fisheries Research Center
  • Makita Akifumi
    Faculty of Bioresource Sciences, Akita Prefectural University
  • Kobayashi Kazumi
    Faculty of Bioresource Sciences, Akita Prefectural University

Bibliographic Information

Other Title
  • 2004年台風15号による塩風害が秋田県の樹木に与えた影響 : 樹種，地域による変動及び海岸マツ林の防風効果
  • 2004ネン タイフウ 15ゴウ ニ ヨル エン フウガイ ガ アキタケン ノ ジュモク ニ アタエタ エイキョウ ジュシュ チイキ ニ ヨル ヘンドウ オヨビ カイガン マツバヤシ ノ ボウフウ コウカ

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Abstract

On 20 August 2004, typhoon 0415, carrying a strong salt spray, passed offshore along Akita Prefecture where it caused severe crop damage. Here, we have documented the salt spray damage on trees in Akita Prefecture, and compared the wind- and salt-break functions of healthy coastal pine forest stands to those damaged by pine wilt disease. Severe damage was observed within 10-km inland areas south of Oga Peninsula. Tree damage was characterized by withering at tree crowns and branches and by reduction of foliage. We also compared the subsequent year's growth of 13 common species under the same habitat conditions and found substantial between-species differences in the extent of damage. That is: whereas Quercus serrata, Castanea crenata and Euonyms alatus were heavily damaged, Pinus thunbergii and Cryptomeria japonica showed slight damage. In addition, the damage on broad-leaved species was reduced when located behind wind shelters or within healthy pine stands, compared to those in the open or those in a stand heavily damaged by pine wilt disease, respectively. These results support the general notion that the health of costal pine forests is important in maintaining the wind- and salt-break functions.

Journal

  • Tree and Forest Health

    Tree and Forest Health 13 (3), 125-138, 2009-07-31

    Tree Health Research Society, Japan

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