Occurrence pattern of <I>Thujopsis dolabrata</I> var. <I>hondai</I> saplings as related to their layering in a <I>Quercus mongolica</I> var. <I>grosseserrata</I> and <I>T. dolabrata</I> var. <I>hondai</I> forest in Ohshuku district of Iwate Prefecture
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- Hashimoto R.
- Fac. of Agric., Iwate Univ.
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- Takahashi K.
- Grad. Sch. of Agric. Sci., Iwate Univ. Ninohe Region. Dev. Dept., Iwate Pref.
Bibliographic Information
- Other Title
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- 岩手県鴬宿地方のミズナラ-ヒバ林におけるヒバ稚樹の出現パターンと伏条繁殖
- イワテケン オウシュク チホウ ノ ミズナラ ヒバ リン ニ オケル ヒバ チ
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Abstract
Occurrence pattern of hiba (Thujopsis dolabrata var. hondai) saplings in a Quercus mongolica var. grosseserrata and T. dolabrata var. hondai forest was examined in connection with their layering property and the spatial distribution of deciduous broad-leaved trees. Density of hiba saplings (height<200 cm) was 22, 000 ha-1 but extremely low for those more than 100 cm. Although ratio of saplings generated from layering was obtained by the underground survey to be 14%, it was assumed that the ratio would have been much higher since the other saplings also had long buried-stems. Relative photon flux density on the stand floor was around 10% or more than 15% beneath the canopy of deciduous broad-leaved trees, while less than 5% beneath the canopy of hiba trees. The saplings were distributed more densely beneath the canopy of deciduous broad-leaved trees, in which the layering was found more often. The saplings formed small-sized clumps less than 1 m2 in area and large-sized clumps around 100 m2. It was concluded that the small clumps would be associated with the layering and the large ones with the spatial distribution of the deciduous broad-leaved trees.
Journal
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- JOURNAL OF THE JAPANESE FORESTRY SOCIETY
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JOURNAL OF THE JAPANESE FORESTRY SOCIETY 80 (3), 189-195, 1998
THE JAPANESE FORESTRY SOCIETY
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Details 詳細情報について
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- CRID
- 1390001206360378112
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- NII Article ID
- 110002830880
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- NII Book ID
- AN00198561
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- ISSN
- 21858195
- 0021485X
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- NDL BIB ID
- 4556068
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- Data Source
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- JaLC
- IRDB
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed