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  1. 極地研刊行誌
  2. Polar Science
  3. Vol.4 (2010)
  4. Vol.4, Issue 2 (Jun. 2010)

What shapes edaphic communities in mineral and ornithogenic soils of Cierva Point, Antarctic Peninsula?

https://nipr.repo.nii.ac.jp/records/10183
https://nipr.repo.nii.ac.jp/records/10183
52565574-65bf-4574-abba-cebd3a311029
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
言語
言語 eng
キーワード
主題Scheme Other
主題 Edaphic communities
キーワード
主題Scheme Other
主題 Biotic interactions
キーワード
主題Scheme Other
主題 Antarctica
キーワード
言語 en
主題Scheme Other
主題 Edaphic communities
キーワード
言語 en
主題Scheme Other
主題 Biotic interactions
キーワード
言語 en
主題Scheme Other
主題 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 G., Mataloni

× G., Mataloni

WEKO 19308

G., Mataloni

Search repository
G.G., Garraza

× G.G., Garraza

WEKO 19309

G.G., Garraza

Search repository
M., Bölter

× M., Bölter

WEKO 19310

M., Bölter

Search repository
P., Convey

× P., Convey

WEKO 19311

P., Convey

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P., Fermani

× P., Fermani

WEKO 19312

P., Fermani

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G., Mataloni

× G., Mataloni

WEKO 19313

en G., Mataloni

Search repository
G.G., Garraza

× G.G., Garraza

WEKO 19314

en G.G., Garraza

Search repository
M., Bölter

× M., Bölter

WEKO 19315

en M., Bölter

Search repository
P., Convey

× P., Convey

WEKO 19316

en P., Convey

Search repository
P., Fermani

× P., Fermani

WEKO 19317

en P., Fermani

Search repository
抄録
内容記述タイプ Abstract
内容記述 Three mineral soil and four ornithogenic soil sites were sampled during summer 2006 at Cierva Point (Antarctic Peninsula) to study their bacterial, microalgal and faunal communities in relation to abiotic and biotic features.Soil moisture, pH, conductivity, organic matter and nutrient contents were consistently lower and more homogeneous in mineral soils. Ornithogenic soils supported larger and more variable bacterial abundances than mineral ones. Algal communities from mineral soils were more diverse than those from ornithogenic soils, although chlorophyll-a concentrations were significantly higher in the latter. This parameter and bacterial abundance were correlated with nutrient and organic matter contents. The meiofauna obtained from mineral soils was homogeneous, with one nematode species dominating all samples. The fauna of ornithogenic soils varied widely in composition and abundance. Tardigrades and rotifers dominated the meiofauna at eutrophic O2, where they supported a large population of the predatory nematode Coomansus gerlachei. At site O3, high bacterial abundance was consistent with high densities of the bacterivorous nematodes Plectus spp.This study provides evidence that Antarctic soils are complex and diverse systems, and suggests that biotic interactions (e.g. competition and predation) may have a stronger and more direct influence on community variability in space and time than previously thought.
内容記述
内容記述タイプ Other
内容記述 鉱質土壌3点とornithogenic土壌4点をCierva岬で2006年夏に採取し、土壌に生息するバクテリア、微小藻類そして動物群集と生物・非生物的特性との関連性について調査した。その結果、南極の土壌は複雑かつ多様な系であることが示唆され、生物間相互作用は以前考えられていたよりも、時空間的な群落の変動に対して強く、より直接的に影響することが考えられた。
書誌情報 Polar science
en : Polar science

巻 4, 号 2, p. 405-419, 発行日 2010-08
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 110007702261
DOI
識別子タイプ DOI
関連識別子 http://doi.org/10.1016/j.polar.2010.04.005
関連名称 10.1016/j.polar.2010.04.005
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