Floresta e Ambiente
https://www.floram.org/article/doi/10.1590/2179-8087.022415
Floresta e Ambiente
Original Article Conservation of Nature

Diversity of Arbuscular Mycorrhizal Fungi in an Amazon Environment after Mining

Ana Lucy Caproni; Jose Rodolfo Dantas de Oliveira Granha; Ademir Junior Fornaciari; Camila Pinheiro Nobre; Leticia Pastore Mendonça; Ricardo Luiz Louro Berbara

http://dx.doi.org/10.1590/2179-8087.022415 FLORAM, vol.25, n3, e20150224, 2018
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Abstract

ABSTRACT: At the Brazilian Amazon forest, studies were carried out to estimate the community of arbuscular mycorrhizal fungi (AMF), from this it was used a bioassay of dilutions of samples collected from preserved and regenerated areas after bauxite extraction. To regenerate areas, tree species were introduced and samples were taken after 2, 6, 12, and 16 years, the spores obtained were compared to those obtained by direct extraction and the number of species recovered from the bioassay was significantly higher. Therefore, the species founded after different periods regeneration was similar to the ones from the native forest. Since the early years of revegetation, the number of rare species was high with strong dominance of G. macrocarpum. Among older communities this high dominance decreased while at the same time, there was an increase in the number of individuals from other AMF species, concluding that the number of species did not change with the age of the revegetation.

Keywords

glomeromycota, diversity, bioassay

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