Can short-term pasture management increase C balance in the Atlantic Rainforest?

Environmental Monitoring and Assessment
Paulo Roberto da Rocha JuniorEduardo de Sá Mendonça

Abstract

Few studies have shown the importance of different pasture management practices on C storage and the reduction of CO2-C emissions in tropical conditions. The objective of the present study was to determine short-term changes in C pools and C balance from different pasture management practices established in the Atlantic Rainforest. A field study was carried out in Alegre, ES, Brazil from September 2013 to August 2014 to investigate the first-year effect of pasture management practices on a Udult clayey soil. The different pasture management practices studied included the following: control (CON), chiseled (CHI), fertilized (FER), burned (BUR), integrated with crop-livestock (iCL) systems, and plowed and harrowed (PH). Monthly disturbed and undisturbed soil samples were taken at two different layers (0.00-0.05 and 0.05-0.20 m) for chemical, physical, and organic matter characterization. C inputs monitored in aboveground pools included plant aerial parts and litter, and belowground pools included roots and soil C stocks. C outputs monitored were CO2-C emissions, erosion water, and sediment. C balance was considered the difference between inputs and outputs in each treatment during four seasons. The spring and summer seasons had a...Continue Reading

References

Mar 8, 2000·Nature·N MyersJ Kent
Jul 11, 2006·Journal of Environmental Quality·Telmo Jorge Carneiro AmadoMilton da Veiga
Mar 1, 2010·Animal : an International Journal of Animal Bioscience·J F SoussanaV Blanfort
Jan 21, 2015·Journal of Environmental Quality·S M McGinnE J McGeough
Jan 21, 2017·The Science of the Total Environment·Paulo Roberto da Rocha JuniorPrasanta Kumar Kalita

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