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Microtopographic properties of sparse moss vegetation in the Antarctic polar desert
https://nipr.repo.nii.ac.jp/records/10207
https://nipr.repo.nii.ac.jp/records/10207528ddff9-706f-4369-8af7-681944c89869
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2014-10-16 | |||||
タイトル | ||||||
タイトル | Microtopographic properties of sparse moss vegetation in the Antarctic polar desert | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Microtopographic properties of sparse moss vegetation in the Antarctic polar desert | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Colonization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Bare ground | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Topographic attributes | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Mixed models | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Continental Antarctica | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Colonization | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Bare ground | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Topographic attributes | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Mixed models | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Continental Antarctica | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Okuda, Masaki
× Okuda, Masaki× Imura, Satoshi× Tanemura, Masaharu× Okuda, Masaki× Imura, Satoshi× Tanemura, Masaharu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The effect of topography on moss vegetation is examined to clarify the processes that affect the colonization of polar deserts on continental Antarctica. Data on the presence of the mosses Bryum pseudotriquetrum and Pottia heimii, and relative altitude were recorded. The altitude measurements were used to infer the underlying topographical attributes of the substrate in the study plots. Specifically, the local distribution of moss plants was clarified using the topographical attributes to construct generalized linear mixed models (GLMMs). The models suggested that steep slopes and convex microhabitats within areas of concave general relief (at the plot scale 4 × 4 m) promoted the establishment of moss. This correspondence to general relief was more apparent for B. pseudotriquetrum than for P. heimii. Among the study plots, general relief was found to be an important determinant of the precise spatial distribution of B. pseudotriquetrum. The standard surface estimated using the robust methods presented in this study is shown to be more accurate for describing moss distribution than the prevailing least-squares method. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 大陸性南極の蘚類定着過程を解明するために、地形との対応の定量評価を行った。基質が砂で粗密に蘚類が分布する調査区を設置し、調査区内の相対標高から設定した地形属性値により、出現した蘚類2種の分布の説明を行った。2種共通の分布の特徴として、1辺4mの調査区スケールの凹地部分における、1辺20㎝の区画スケールの急斜面や凸地に蘚類が分布している傾向にあった。調査区スケールの凹凸については、よりロバストな回帰方法により求めた基準面からのものが、蘚類との対応が強くなっていた。これらの状況から、潜在的な水路の水面が接する縁の部分や、陸上のラン藻等の有機物により小さな盛り上がりがある所に蘚類が定着していることが推察された。 | |||||
書誌情報 |
Polar science en : Polar science 巻 5, 号 4, p. 432-439, 発行日 2011-12 |
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出版者 | ||||||
出版者 | 国立極地研究所 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12240481 | |||||
論文ID(NAID) | ||||||
識別子タイプ | NAID | |||||
関連識別子 | 110008750937 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://doi.org/10.1016/j.polar.2011.10.001 | |||||
関連名称 | 10.1016/j.polar.2011.10.001 |