Search Results 1-20 of 68

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Bird community heterogeneity along four gradients of different orientations on a temperate mountain

IIJIMA Daichi , MORIMOTO Gen

… A non-metric multidimensional scaling (NMDS) ordination revealed: 1) the similarity between bird community structures in the subalpine coniferous forest and the Japanese Stone Pine scrub forest differed among the gradients, 2) despite birch being broadleaved, the bird community in the subalpine birch forest was a subset of that in the subalpine coniferous forest and was more similar to that in the subalpine coniferous forest than that in the montane deciduous broadleaved …

ORNITHOLOGICAL SCIENCE 20(1), 65-82, 2021

J-STAGE
2

Temporal changes in benthic amphipod assemblages in the central part of the Ariake Sea during the five years following the dike closure in Isahaya Bay, Japan [in Japanese]

SUDO Hiroyuki , MATSUO Masatoshi , SATO Shin'ichi , AZUMA Mikio

… Non-metric multidimensional scaling (nMDS) ordination of sampling occasions showed that amphipod assemblages were divided into three groups (A: June 1997 and June 2002; …

Japanese Journal of Benthology 74(2), 100-108, 2020

J-STAGE
3

Comparison of Sung Speech and Read Speech Focused on Critical Band Power Fluctuations [in Japanese]

中尾貫志 , 岸田拓也 , 中島祥好

聴覚研究会資料 = Proceedings of the auditory research meeting 48(2), 145-150, 2018-03-03
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Comparison of Sung Speech and Read Speech Focused on Critical Band Power Fluctuations [in Japanese]

中尾貫志 , 岸田拓也 , 中島祥好

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 117(470), 41-46, 2018-03-03
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Effect of forest vegetation on fungus gnat assemblages (Diptera: Sciaroidea) in a cultivation area of shiitake mushrooms [in Japanese]

Sueyoshi Masahiro

<p>シイタケ栽培地域の植生がキノコバエ類群集に及ぼす影響を明らかにするため，森林内の植生とキノコバエ類群集を調査した．また，菌床栽培施設のキノコバエ類群集を森林内のそれと比較した．大分県日田市内の菌床栽培施設3ヶ所，スギ・ヒノキ林9ヶ所（ホダ場3ヶ所を含む）および広葉樹林8ヶ所（ホダ場2ヶ所を含む）を調査地として，林内調査地の各所に10 m四方の1方形区を設置した．方形区内の胸高直径 …

Japanese Journal of Entomology (New Series) 21(1), 85-100, 2018

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6

A METHOD TO ANALYZE THE REGIONAL CHARACTERISTICS OF FRESHWATER FISH FAUNA ON THE BASIS OF ASSEMBLAGE STRUCTURE IN THE RIVERS FLOWING INTO HAKATA BAY, JAPAN [in Japanese]

TSUCHIDA Daisuke , NAKAJIMA Jun , KUMAGAI Hiroshi , KOGA Toyokazu , MATSUMOTO Gensei , ISHIBASHI Yuko

水生生物の保全に係る水質環境基準を適用する水域の区分は「個々の水域の水生生物の生息特性（地域特性）」を踏まえて行うこととされているが，地域特性を把握する手順は示されていない．本研究では，福岡県那珂川水系の淡水魚類の群集解析に基づき，地域特性を把握する手法を検討した．群集解析の結果，出現地点の標高および各魚種の生活史型により，出現魚類47種は5グループに分類された．5グループを環境省が示した水域区分 …

Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 74(2), 48-58, 2018

J-STAGE
7

Stream classification at the catchment scale based on presence/absence of vegetation types [in Japanese]

丹羽英之 , 三橋弘宗

保全生態学研究 = Japanese journal of conservation ecology 22(2), 257-264, 2017-11
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Stream classification at the catchment scale based on presence/absence of vegetation types [in Japanese]

Niwa Hideyuki , Mituhashi Hiromune

流域スケールの流程区分は、河川環境マネジメントにおいて重要で、近年、保全計画で利用されることが増えている。流域スケールの流程区分は、河川に間隔をあけて配置された調査地点の生物データでつくられることが多い。河川で連続して生物データを取得するには多大な労力が必要であり、連続して取得した生物データで流域全体の流程区分を検証した研究はみられない。そこで、本研究では、植生図作成と比べ、より少ない労力で河川植 …

Japanese Journal of Conservation Ecology 22(2), 257-264, 2017

J-STAGE
9

Spatial heterogeneities in management regimes and the environment maintain plant species diversity in traditional semi-natural grasslands [in Japanese]

Tanno Yuki , Yamashita Masayuki , Hitoshi Sawada

… NMDS（Non-metric multidimensional scaling）の結果、茶草場と棚田畦畔の種組成は明確に異なることが示され、年間1回草刈りされる茶草場は大型の多年生植物に、年間5回草刈りされる棚田畦畔は一年生植物や小型の多年生植物に特徴付けられた。 …

Japanese Journal of Conservation Ecology 22(1), 75-89, 2017

J-STAGE
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Seasonality and cell-size structure of diatoms in the Tsugaru Strait, northwest Pacific Ocean

TANIMURA Yoshihiro , SHIMADA Chieko , OZAWA Hirokazu , KIMOTO Katsunori , TANAKA Yuichiro , ITOH Hiroshi

… Counts of relative species abundance were conducted on diatom and copepod assemblages, and scores of non-metric multidimensional scaling (NMDS) were calculated for the assemblages using a matrix based on these counts. …

Diatom 33(0), 1-11, 2017

J-STAGE
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Variation in bird assemblages along an agricultural intensification gradient: a case study of olive orchards in north-eastern Algeria

BOUAM Idriss , BACHIR Abdelkrim SI , KATAYAMA Naoki

… Accumulation curves and non-parametric estimators for incidence-based data were used to estimate the total species richness of birds. … GLMMs, PERMANOVA and non-metric multidimensional scaling analyses were conducted to evaluate and to visualize the variation in species composition among the studied sites during the breeding and non-breeding seasons. …

ORNITHOLOGICAL SCIENCE 16(2), 147-157, 2017

J-STAGE
12

日本のポジティブ感情の概念構造の検討（２）:―空間的布置に着目して― [in Japanese]

Muto Sera , Sugawara Daichi , Sugie Masashi

JAPANESE JOURNAL OF RESEARCH ON EMOTIONS 24(Supplement), os02-os02, 2017

J-STAGE
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Large-Scale Mapping of Tree-Community Composition as a Surrogate of Forest Degradation in Bornean Tropical Rain Forests

Fujiki Shogoro , Aoyagi Ryota , Tanaka Atsushi , Imai Nobuo , Kusma Arif , Kurniawan Yuyun , Lee Ying , Sugau John , Pereira Joan , Samejima Hiromitsu , Kitayama Kanehiro

… Approximately fifty 20 m-radius circular plots were established in each FMU, and the differences in tree-community composition at a genus level among plots were examined for trees with diameter at breast height ≥10 cm using an ordination with non-metric multidimensional scaling (nMDS). …

Land 5(4), 2016-12-11

IR
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The Dimensional Space of Respect-Related Emotions in Modern Japanese People [in Japanese]

武藤世良

… The data (n＝515) of previously published work, in which participants, ages 20–79, rated the semantic similarity of 153 pairs of 18 respect-related words was used for non-metric multidimensional scaling (MDS). …

東京大学大学院教育学研究科紀要 (55), 269-280, 2016-03-31

IR DOI
15

Response of the plant community and soil water status to alpine Kobresia meadow degradation gradients on the Qinghai-Tibetan Plateau, China

Li Jing , Zhang Fawei , Lin Li [他]

Ecological research 30(4), 589-596, 2015-07
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Plankton monitoring using metagenomics: a case study with phytoplankton [in Japanese]

Nagai Satoshi , Abe Kazuo , Kameda Takahiko , Hida Kohsuke , Urushizaki Shingo , Tanabe Akifumi , Yasuike Motoshige , Fujiwara Atushi , Takano Yoshihito , Hongo Yuki , Nakamura Yoji

各県の水産試験場等が1970年代前半から，環境モニタリングを実施しており，動植物プランクトンのデータは蓄積されてきたが，優占種の情報がほとんどであり，レア種や微細な植物プランクトンの情報はほとんどない。2008年から本年にかけて相次いで商品化された次世代シーケンサーの登場により，生命科学とバイオ産業に大きな変革が起きている。次世代型と呼ばれるシーケンサーは，従来型シーケンサーの数百倍～数万倍の性能 …

Bulletin of the Plankton Society of Japan 62(1), 65-72, 2015

J-STAGE JASI
17

Seasonality of the bird community in the Ogawa Forest Reserve, an old-growth deciduous forest in central Japan

Tojo Hitoshi

… In non-breeding season (October–February), winter visitors accounted for up to 27% of species richness and up to 72% of abundance. … An ordination using non-metric multidimensional scaling showed that the bird community varied more during the non-breeding season than during the breeding season. …

ORNITHOLOGICAL SCIENCE 14(2), 79-88, 2015

J-STAGE
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Evaluation of vegetation recovery on abandoned cropland in forest steppe and typical steppe regions in Mongolia [in Japanese]

SUZUKI Kohei , KAMIJO Takashi , JAMSRAN Undarmaa , KONAGAYA Yuki , TAMURA Kenji

1. モンゴルの森林ステップ域と典型ステップ域における耕作放棄後の植生回復について評価するために，それぞれの植生帯で2 年間休耕されている耕作地，20 年間以上放棄されている耕作放棄地，自然度の高い放牧地の種組成を近傍する地点で比較した．また両植生帯の植生変化プロセスを比較することにより耕作放棄後の植生回復を妨げる要因について考察した．<br>2. 森林ステップ域に位置するセレンゲ県北 …

Vegetation Science 32(1), 37-48, 2015

J-STAGE
19

Roles of fragmented and logged forests for bird communities in industrial Acacia mangium plantations in Indonesia

Fujita Motoko S. , Prawiradilaga Dewi M. , Yoshimura Tsuyoshi

… Community composition was roughly divided into two groups by non-metric multidimensional scaling ordination: acacia plantation and logged forest. …

Ecological research 29(4), 741-755, 2014-07

IR
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Protein binding prediction using non-metric multidimensional scaling method [in Japanese]

茂木大夢

大学院研究年報理工学研究科編 (43), 2013-07-01

IR

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