日本に自生している針葉樹の耐凍度とそれらの分布との関係 FREEZING RESISTANCE OF CONIFERS IN JAPAN WITH SPECIAL REFERENCE TO THEIR DISTRIBUTIONS

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Dormant one-year-old twigs were collected from the mature and young plants of a number of conifer species cultivated at Yamabe, Hokkaido, and other places during midwinter, these were artificially hardened at sub-freezing temperatures to overcome differences in site of collection and to induce maximum freezing resistance. In most of the species distributed in the sub-alpine and sub-cold zones, the leaves and the twigs resisted freezing to -70℃ or below, while most of the species distributed in the temperate zone resisted freezing to only about -30℃, and the leaves and the twigs were found to be nearly equally hardy unlike the conifers distributed in sub-alpine and sub-cold zones. Also, most of these temperate conifers were observed not to be grown in a severe cold climate in Hokkaido. Thus, in the conifers distributed in the temperate zone, winter minimal temperatures appear to be the principal factor governing their growth in severe cold climates. A marked variation in hardiness was not observed among the pines Pinus denslflora and Pinus thunbergiana from different provenances.

収録刊行物

  • 日本生態学会誌

    日本生態学会誌 25(4), 192-200, 1975

    一般社団法人 日本生態学会

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各種コード

  • NII論文ID(NAID)
    110001881526
  • NII書誌ID(NCID)
    AN00193852
  • 本文言語コード
    JPN
  • 資料種別
    雑誌論文
  • ISSN
    0021-5007
  • NDL 記事登録ID
    1688642
  • NDL 刊行物分類
    RA47;RB63
  • NDL 雑誌分類
    ZR3(科学技術--生物学--植物)
  • NDL 請求記号
    Z18-43
  • データ提供元
    CJP引用  NDL  NII-ELS  J-STAGE 
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