@article{oai:nipr.repo.nii.ac.jp:00010207,
 author = {Okuda, Masaki and Imura, Satoshi and Tanemura, Masaharu and Okuda, Masaki and Imura, Satoshi and Tanemura, Masaharu},
 issue = {4},
 journal = {Polar science, Polar science},
 month = {Dec},
 note = {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., 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。},
 pages = {432--439},
 title = {Microtopographic properties of sparse moss vegetation in the Antarctic polar desert},
 volume = {5},
 year = {2011}
}