Use este identificador para citar ou linkar para este item: https://repositorio.inpa.gov.br/handle/1/17424
Título: Diversity and Distribution of Ectomycorrhizal Fungi from Amazonian Lowland White-sand Forests in Brazil and French Guiana
Autor: Roy, Mélanie
Schimann, Heidy
Braga-Neto, Ricardo
Silva, Rosa A.E. da
Duque, Jaime
Frame, Dawn
Wartchow, Felipe
Neves, Maria Alice
Palavras-chave: Ectomycorrhiza
Fruiting
Fungus
Herbarium
Population Distribution
Soil Type
Species Diversity
Subtropical Region
Taxonomy
Amazonas
French Guiana
Rio Negro [south America]
Amanitaceae
Boletaceae
Cortinarius
Fungi
Russulaceae
Data do documento: 2016
Revista: Biotropica
É parte de: Volume 48, Número 1, Pags. 90-100
Abstract: White-sand forests are thought to host many ectomycorrhizal fungi, as demonstrated by the numerous fruiting body collections made by Rolf Singer in the lower Rio Negro in the late 1970s. Despite recognition of the importance of ectomycorrhizal fungi in white-sand forests, there has not yet been a systematic examination of diversity and taxonomic composition across white-sand forests, or more widely across lowland Amazonian forests. In an effort to broaden our view of ectomycorrhizal fungal diversity and distribution on white-sand forests, we collected ectomycorrhizal fruiting bodies in 10 plots of white-sand forests in Brazil and French Guiana between 2012 and 2014. We collected 221 specimens and 62 morphospecies, from the 10 plots, confirming that all studied white-sand forests host ectomycorrhizal fungi. Additionally, we searched for taxa associated with white sands among specimens deposited in Brazilian herbaria. We report 1006 unique ectomycorrhizal specimen records in 18 Brazilian herbaria, of which 137 specimens and 64 species are reported from white-sand forests, mainly in the state of Amazonas, Brazil. Russulaceae and Amanitaceae were frequent in all habitats, and Cortinarius were more frequent on white sands. Our results highlight the high diversity and heterogeneity of ectomycorrhizal communities on white-sand forests, and the wide distribution of ectomycorrhizal fungi throughout Brazil, irrespective of soil type. © 2016 The Association for Tropical Biology and Conservation.
DOI: 10.1111/btp.12297
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