Arbuscular mycorrhizal fungal abundance in elevation belts of the hyperarid Atacama Desert

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dc.contributor.authorSantander, Christian
dc.contributor.authorGarcia, Susana
dc.contributor.authorMoreira, Jorge
dc.contributor.authorAponte, Humberto
dc.contributor.authorAraneda, Paola
dc.contributor.authorOlave, Jorge
dc.contributor.authorVidal, Gladys
dc.contributor.authorCornejo, Pablo
dc.date.accessioned2025-01-20T23:50:33Z
dc.date.available2025-01-20T23:50:33Z
dc.date.issued2021
dc.description.abstractArbuscular mycorrhizal (AM) fungi affect ecosystem processes improving plant tolerance in (hyper)arid/saline environments. However, there are no previous studies on the presence of AM fungi in the Atacama Desert (Northern Chile), the driest desert in the world. Here, we studied the root and rhizosphere in 111 samples of representative plants from three elevation gradients: (i) hyperarid desert (700-2000 m a.s.l.), (ii) pre-Puna (2000-3100 m a.s.l.) and (iii) Puna (3100-4500 m a.s.l.) elevation belts. Soil pH, electrical conductivity (EC), organic matter, cations and the AM colonization and fungal structures were deter-mined. All plants showed colonization and fungal structures. Root colonization ranged from 3.5 to 87%, hyphae showed densities from 0.13 to 204 m g(-1), and spore densities between 20 and 45,500 per 100 g of soil. The highest fungal structure abundances were found in Prosopis tamarugo, Baccharis scandens, Werneria pinnatifida, Deyeuxia curvula and Festuca deserticola rhizospheres. In general, EC and cations showed strong relationship with fungal structure abundance. Here, we reported for the first time the widespread presence of AM symbiosis in all the elevation belts of the Atacama Desert, constituting a first step to understand the ecological role that AM fungi play under extreme aridity and salinity conditions. (C) 2021 Elsevier Ltd and British Mycological Society. All rights reserved.
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.funeco.2021.101060
dc.identifier.eissn1878-0083
dc.identifier.issn1754-5048
dc.identifier.urihttps://doi.org/10.1016/j.funeco.2021.101060
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/94724
dc.identifier.wosidWOS:000643718400004
dc.language.isoen
dc.revistaFungal ecology
dc.rightsacceso restringido
dc.subjectArbuscular mycorrhizal fungi
dc.subjectElevation belts
dc.subjectHyperarid ecosystems
dc.subjectPampa del Tamarugal
dc.subjectPre-Puna
dc.subjectPuna
dc.subjectSalinity
dc.subjectZonal and azonal vegetation
dc.subject.ods02 Zero Hunger
dc.subject.ods15 Life on Land
dc.subject.odspa02 Hambre cero
dc.subject.odspa15 Vida de ecosistemas terrestres
dc.titleArbuscular mycorrhizal fungal abundance in elevation belts of the hyperarid Atacama Desert
dc.typeartículo
dc.volumen51
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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