Mycorrhizal Studies in Temperate Rainforests of Southern Chile

Godoy, Roberto; Marín, César

doi:10.1007/978-3-030-15228-4_16

Cited by 20 publications

(16 citation statements)

References 71 publications

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“…The most abundant orders in both seasons were Agaricales (Agricomycetes) and Helotiales (Leotiomycetes), followed by Mortierellales (Mortierellomycetes) and Filobasidiales (Tremellomycetes). Agaricales, Helotiales and Mortierellales presented high percentages of abundances in other works (Lim et al, 2010;Sterkenburg et al, 2015, Zhang et al, 2016Truong et al, 2019), and Agaricales have high diversity in the Patagonian Nothofagus forests when compared with European Fagus forests (Marín et al, 2017;Godoy and Marín, 2019). Chemical properties of the soil, such as gravimetric humidity, EC, C, N, and available P, were modelers of the fungal community at different taxonomic levels (Fig.…”

Section: Tablementioning

confidence: 65%

“…less the same species, with a predominance of Maytenus chubutensis and shrub species. It has previously been reported (Fernández et al, 2012;Fontenla et al, 1998Fontenla et al, , 2001Velázquez et al, 2016;Godoy and Marín, 2019) that AM plants are the most abundant in the native forest of North Patagonia, not only in forest where the dominant tree species had AM, such as those dominated by ECM native species, Nothofagus spp. In the mixed woodland analyzed here, the species with highest cover were associated with AM symbiosis.…”

Section: Tablementioning

confidence: 90%

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The soil fungal community of native woodland in Andean Patagonian forest: A case study considering experimental forest management and seasonal effects

Carrón

Garibaldi

Márquez

et al. 2020

Forest Ecology and Management

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Forest management can alter soil fungal communities which are important in the regulation of biogeochemical cycles and other ecosystem services. The current challenge of sustainable management is that management be carried out while preserving the bioecological aspects of ecosystems. Mixed Patagonian woodlands are subject to continuous disturbance (fire, wood extraction, and livestock), with unknown consequences for soil fungal communities. Our objective was to study the fungal community and the effects of an experimental forest management program, which combines harvesting and implantation, on the soil fungal communities in Patagonian woodland, in Argentina; considering contrasting seasons and soil parameters. At site level, the mixed woodlands appear to have greater soil cover with AM plants and soil chemical characteristics similar to other forest environments in the same region, with an intermediate fungal diversity value. When the seasonal effect was analyzed, no changes were observed in the fungal richness and diversity index, whereas modifications were recorded in the class level, in the ecological guilds, and in certain soil parameters; the inversion of phyla should be highlighted. Ascomycota and Basidiomycota were the predominant phyla, and presented a tendency to an inversion between seasons: Ascomycota fungi predominated in autumn, while Basidiomycota were more abundant in summer. The Glomeromycota were not well represented in this study. The most abundant classes were Agaricomycetes, followed by Leotiomycetes, Sordariomycetes, and Tremellomycetes, with some changes in the proportions between the two seasons, which could be related to certain soil characteristics. The most abundant orders in both seasons were Agaricales, Helotiales, Mortierellales, and Filobasidiales, correlated with some soil characteristics. The ordination analysis (NMDS) showed a correlation between taxonomic assignation and some soil characteristics, and only between class seasons. The most abundant ecological guild was saprotrophs (in both seasons: Hygrocybe, Mortierella, Cryptococcus), followed by plant pathogens (Ilyonectria, which increase in autumn); and the ectomycorrhizal symbiont (Hygrocybe in both seasons, while in summer Cortinarius, Clitopilus, and Geoglossum), all are related to C and N cycle. The only post-management changes observed in soil fungal community and chemical characteristics were in fungal richness (OTUs) and available phosphorus values; all the others (diversity indexes, taxonomy, and ecological guilds) were unaffected by this anthropic disturbance. It should be highlighted that available P and fungal species richness could be proposed as bioindicators. Future studies in native management programs, considering other aspects such as diversity of vegetation uses and system functions of the area will allow us to assess whether some of these changes are early bio-indicators of sustainable use and management.

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Section: Tablementioning

confidence: 65%

Section: Tablementioning

confidence: 90%

The soil fungal community of native woodland in Andean Patagonian forest: A case study considering experimental forest management and seasonal effects

Carrón

Garibaldi

Márquez

et al. 2020

Forest Ecology and Management

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show abstract

“…Finally, there was also a significant number of sampling sites (for soil biodiversity, ecosystem functions, and both) around the regions of La Araucanía, Los Ríos, and Los Lagos, in the Valdivian temperate forests. This reflects an historical interest of established research groups over the last four decades, as well as international collaborations, mainly originating from the Austral University of Chile and from La Frontera University (Godoy and Mayr 1989;Rubio et al 1990;Godoy and Marín 2019). Some soil taxa like Acari, Collembola, Nematoda, Formicoidea, Protista, Rotifera where barely studied, represented by just a few sites concentrated in some administrative regions.…”

Section: Discussionmentioning

confidence: 97%

Chilean blind spots in soil biodiversity and ecosystem function research

Marín

Rubio

Godoy

2021

Preprint

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Soil harbor up to a quarter of the worlds biodiversity, contributing to many ecosystem functions. It is of great importance to identify distribution patterns of soil organisms and their ecosystem functions to support their conservation and policy building. This has been recently analyzed at macroecological scales, but analyses at national/local scales are scarce. Here we identify and analyze the blind spots in soil taxa and ecosystem functioning data in continental Chile, through a Web of Science articles (1945-2020) search, and focusing on ten soil taxonomic groups and four ecosystem functions (nutrient cycling, decomposition, water infiltration, soil respiration). A total of 741 sampling sites were obtained from 239 articles. In 49.25% of the sites soil biodiversity was studied, while this percentage was 32.65% for ecosystem functions; in 18.10% of the sites both soil biodiversity and ecosystem functions were investigated at the same time, a surprisingly high percentage compared to global studies. By far, Bacteria/Fungi and nutrient cycling were the most investigated taxa and function, respectively. There is a significant number of soil taxa (Acari, Collembola, Nematoda, Formicoidea, Protista, Rotifera) represented by just a few sites concentrated in specific Chilean regions. Places like the central regions, the Atacama desert, and the Valdivian temperate forests present a proliferation of studies on soil Fungi, Bacteria, and nutrient cycling, reflecting historical interests of established research groups. Based on this research, we are identifying the causes of the data blind spots and invite the Chilean soil ecology community to propose ideas on how to fill them.

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“…The current understanding of the ecosystem roles of ECM fungi on temperate forests comes mainly from conifer studies in the Northern Hemisphere (Fernandez & Kennedy, ). By contrast, Southern Cone native conifers associate with AM fungi, displaying a very localized distribution (Godoy & Marín, ). In fact, most South American temperate forests are represented by ECM Nothofagaceae species , showing a broad latitudinal and altitudinal distribution (Godoy & Marín, ).…”

Section: The Ecosystem Roles Of Ectomycorrhizal Fungi On Patagonian Tmentioning

confidence: 99%

“…By contrast, Southern Cone native conifers associate with AM fungi, displaying a very localized distribution (Godoy & Marín, ). In fact, most South American temperate forests are represented by ECM Nothofagaceae species , showing a broad latitudinal and altitudinal distribution (Godoy & Marín, ). These forests have the highest ECM fungi diversity in South America (Pagano & Lugo, ), but are highly prone to anthropogenic disturbances.…”

Section: The Ecosystem Roles Of Ectomycorrhizal Fungi On Patagonian Tmentioning

confidence: 99%