四国山地におけるトクガワザサについて(III) : 刈り払い時期と再生の関係

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概要

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• On Plots Ap and Ap', cut in April before the sprouting season, new sprouts appeared that year. They were small but increased in number. The new sprouts which arose the next year had 70〜80% of the height and almost the same diameters compared with the new sprouts on uncut plots. On Plots J and S, which were cut in July and September, respectively, after the sprouting season, new sprouts did not appear within the year, and all of the dimensions of the new sprouts in the following year had very small values compared with those of the uncut plots. Differences of the subterranean parts of the biomass among the plots were not as distinct as those of the aerial parts, but dead parts were more on Plots J and S than on any of the other plots. These facts suggest that cutting after the sprouting season results in heavy damage to the aerial parts of this Sasa community but not to its subterranean parts. Therefore, 1 think that reproduction of this Sasa tokugawana community will recover in the second or third year after cutting.

• 一般社団法人日本森林学会の論文
• 1984-07-25

著者

• 桜井 尚武

  林業試験場東北支場

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• フィリピンにおける人工林の現存量と純生産量
• 四国山地におけるトクガワザサについて(III) : 刈り払い時期と再生の関係
• ヒノキ林の種子生産量と発生したメバエの消長
• 四国山地におけるトクガワザサについて(II) : ササ群落の構成とその季節変化
• 四国山地におけるトクガワザサについて(I) : 現存量の季節変化および明るさとの関係

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