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  1. 1:大学
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  4. 学術論文(雑誌)

Invasion of dwarf bamboo into alpine snow-meadows in northern Japan: pattern of expansion and impact on species diversity

http://hdl.handle.net/10659/2965
http://hdl.handle.net/10659/2965
a003de0f-114f-4eef-abfc-3e978154a68e
名前 / ファイル ライセンス アクション
S-2012-7_hoshino.pdf S-2012-7_hoshino.pdf (1.1 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-06-04
タイトル
タイトル Invasion of dwarf bamboo into alpine snow-meadows in northern Japan: pattern of expansion and impact on species diversity
言語
言語 eng
キーワード
主題Scheme Other
主題 Alpine vegetation
キーワード
主題Scheme Other
主題 global warming
キーワード
主題Scheme Other
主題 remote sensing
キーワード
主題Scheme Other
主題 Sasa kurilensis
キーワード
主題Scheme Other
主題 snowmelt
キーワード
主題Scheme Other
主題 soil moisture
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 Kudo, Gaku

× Kudo, Gaku

WEKO 3707

Kudo, Gaku

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Amagai, Yukihiro

× Amagai, Yukihiro

WEKO 3708

Amagai, Yukihiro

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Hoshino, Buho

× Hoshino, Buho

WEKO 3709

Hoshino, Buho

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Kaneko, Masami

× Kaneko, Masami

WEKO 3710

Kaneko, Masami

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抄録
内容記述タイプ Abstract
内容記述 Recently, a dwarf bamboo species, Sasa kurilensis; Poaceae, has invaded into alpine snow-meadows in the wilderness area of the Taisetsu Mountains, northern Japan. This dwarf bamboo species has a wide distribution range from lowland to alpine sites of snowy regions. Because of the formation of dense evergreen culms and an extensive rhizome system, other plants are excluded following invasion by this dwarf bamboo, resulting in low species diversity. Dwarf bamboo originally inhabited the leeward slopes of alpine dwarf pine (Pinus pumila) clumps in alpine regions. During the last 32 years, however, dwarf bamboo has expanded its distribution area by up to 47% toward snow-meadows, especially on southeastern facing slopes. This rapid change may be related to the decrease in soil moisture and expansion of the annual growing period caused by the recent acceleration of snowmelt time. A multiyear census revealed that the density of bamboo culms increased 30–150% during 2 years, and the annual expansion of bamboo rhizomes was 39 cm on average. In addition to the expansion of bamboo clumps by vegetative growth, the possibility of migration by seed dispersal was also suggested by a genet analysis. With the increase in culm density, the species richness of snow-meadow vegetation decreased to less than one-quarter of the original level due to intense shading by dwarf bamboo. The rapid vegetation change in these almost pristine alpine environments isolated from the human activity implies that global climate change already influences the alpine ecosystem.
書誌情報 Ecology and Evolution

巻 1, 号 1, p. 85-96, 発行日 2011-09
ISSN
収録物識別子タイプ ISSN
収録物識別子 2045-7758
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 10.1002/ece3.9
権利
権利情報 © 2011 The Authors. Published by Blackwell Publishing Ltd.
権利
権利情報 http://creativecommons.org/licenses/by-nc/3.0/
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 Blackwell Publishing Ltd.
資源タイプ
内容記述タイプ Other
内容記述 Article
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