Effects on the diversity of micromycetes for land use changes in Vertisol
DOI:
https://doi.org/10.33885/sf.2022.53.1415Abstract
Background: Land use changes affect the physicochemical properties of the soil, influencing the presence, distribution, and abundance of microorganisms present.
Objective: To analyze the richness, abundance and diversity of micromycetes in a Vertisol with different land use systems by evaluating the similarity and influence of the physicochemical properties of the soil.
Methods: 24 soil samples were collected, three samples for each land use (Tamaulipas thorny scrub, grassland, agricultural and Eucalyptus spp. plantation) and at two depths (0-5 and 5-30 cm). The plate dilution method was used in two culture media (EMA and RBA), the colonies were quantified and isolating the colonies for its morphological identification.
Results and conclusions:734 morphospecies were obtained, of which 33 genera and 90 species were identified in the four-land use system, differences were found between diversity, richness and abundance for land use system and depth, but no in the interaction. Cladosporium cladosporioides, Aspergillus terreus, A. ustus, Fusarium oxysporum and Penicillium glabrum were presented in four land use system, whereas the 48% of isolations only occurred some of them. Physicochemical properties showed low association, being clay, iron and CIC, the most explanatory.
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