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dc.contributor.author
Mataloni, Maria Gabriela  
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Gonzalez Garraza, Gabriela Carolina  
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Bölter, M.  
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Convey, Peter  
dc.contributor.author
Fermani, Paulina  
dc.date.available
2024-11-08T16:56:26Z  
dc.date.issued
2010-05  
dc.identifier.citation
Mataloni, Maria Gabriela; Gonzalez Garraza, Gabriela Carolina; Bölter, M.; Convey, Peter; Fermani, Paulina; What shapes edaphic communities in mineral and ornithogenic soils from Cierva Point, Antarctic Peninsula?; Elsevier; Polar Science; 4; 2; 5-2010; 405-419  
dc.identifier.issn
1873-9652  
dc.identifier.uri
http://hdl.handle.net/11336/247698  
dc.description.abstract
Abstract 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.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Elsevier  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Edaphic communities  
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Biotic interactions  
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Antarctica  
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Ecología  
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Ciencias Biológicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
What shapes edaphic communities in mineral and ornithogenic soils from Cierva Point, Antarctic Peninsula?  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2024-08-12T13:54:57Z  
dc.journal.volume
4  
dc.journal.number
2  
dc.journal.pagination
405-419  
dc.journal.pais
Japón  
dc.journal.ciudad
Tokyo  
dc.description.fil
Fil: Mataloni, Maria Gabriela. Universidad Nacional de San Martin. Unidad de Vinculación Tecnologica; Argentina  
dc.description.fil
Fil: Gonzalez Garraza, Gabriela Carolina. Universidad Nacional de San Martin. Unidad de Vinculación Tecnologica; Argentina  
dc.description.fil
Fil: Bölter, M.. University of Kiel; Alemania  
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Fil: Convey, Peter. British Antartic Survey; Reino Unido  
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Fil: Fermani, Paulina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Biotecnológicas. Instituto de Investigaciones Biotecnológicas "Dr. Raúl Alfonsín" (sede Chascomús). Universidad Nacional de San Martín. Instituto de Investigaciones Biotecnológicas. Instituto de Investigaciones Biotecnológicas "Dr. Raúl Alfonsín" (sede Chascomús); Argentina  
dc.journal.title
Polar Science  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1873965210000332