Soil microbial biomass and activity in wetlands located in preserved and disturbed environments in the cerrado biome

Authors

  • Ricardo Fernandes de Sousa Instituto Federal de Educação, Ciência e Tecnologia de Goiás
  • Eliana Paula Fernandes Brasil Universidade Federal de Goiás
  • Cícero Célio de Figueiredo Universidade de Brasília
  • Wilson Mozena Leandro Universidade Federal de Goiás

DOI:

https://doi.org/10.14393/BJ-v31n4a2015-26176

Keywords:

Biological properties, Enzyme activity, Soil respiration, Organic carbon

Abstract

The veredas (a type of wetlands) are wet ecosystems usually associated with the presence of hydromorphic soils, which often occur in the vicinity of springs and watercourses of the Cerrado region in Brazil. This study aimed to assess microbiological and biochemical soil properties in wetlands (veredas) located in preserved and disturbed environments (in farming and grazing areas) in the Cerrado biome. Soil samples were collected at depths of 0-10 cm and 10-20 cm, along reference lines arranged according to their position in the landscape, in the upper, middle and lower positions of one of the slopes. The total soil organic carbon, microbial biomass carbon and nitrogen (Cmic and Nmic), microbial biomass C:N ratio, microbial quotient, basal respiration, metabolic quotient and fluorescein diacetate (FDA) hydrolytic activities in soil (as total soil heterotrophic enzymatic activity) were determined. The soils of veredas adjacent to agricultural and livestock environments showed changes in their biological properties compared to preserved ecosystems. Increased microbial biomass (Cmic and Nmic) is reported in veredas located nearby grazing areas under intensive and technified management, on the soil surface layer (0-10 cm), especially in the lower slope position, while in agricultural environments, under the same conditions of relief and depth, there is a relative decrease in microbial biomass carbon.

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Author Biography

Wilson Mozena Leandro, Universidade Federal de Goiás

Professor, Doutor

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Published

2015-06-30

How to Cite

SOUSA, R.F. de, BRASIL, E.P.F., FIGUEIREDO, C.C. de and LEANDRO, W.M., 2015. Soil microbial biomass and activity in wetlands located in preserved and disturbed environments in the cerrado biome . Bioscience Journal [online], vol. 31, no. 4, pp. 1049–1061. [Accessed6 December 2022]. DOI 10.14393/BJ-v31n4a2015-26176. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/26176.

Issue

Section

Agricultural Sciences