ROLE OF MICROBES ON CARBON SEQUESTRATION

P. BURAGOHAIN¹, D.J. NATH², A. PHONGLOSA³*
¹Department of Soil Science, Assam Agricultural University, Jorhat, 785013, Assam, India
²Department of Soil Science, Assam Agricultural University, Jorhat, 785013, Assam, India
³Directorate of Extension Education, Odisha University of Agriculture and Technology, Bhubaneswar, 751003, Odisha, India
* Corresponding Author : soilamit12@rediffmail.com

Received : 12-01-2019     Accepted : 27-01-2019     Published : 30-01-2019
Volume : 11     Issue : 1       Pages : 1464 - 1468
Int J Microbiol Res 11.1 (2019):1464-1468

Keywords : Microbes, Carbon, Sequestration
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Assam Agricultural University, Jorhat, 785013, Assam, India
Author Contribution : All author equally contributed

Global warming in the last 100 years is said to be closely associated with increases in the concentration of atmospheric CO2 from 280 ppm in the pre-industrial era to almost 398.6 ppm at present. Agro ecosystems plays important role in sequestration of carbon (C) to reduce the emission of atmospheric CO2. Carbon sequestration is usually measured in terms of the total organic carbon stored in the soil. Among the different approaches and strategies, microbial modulation has been considered as one of the strategy to enhance soil C-sequestration. Soil microbial communities are an integral component of many ecosystem processes of which fungal and bacterial dominances, mycorrhizal associations, microalgae and oligotrophs (k- strategies) vs copiotrophs (r-strategies) has been attributed as contributors of soil C-sequestration. In prairie ecosystem high population of fungi and bacteria helps in accretion of carbon in soil. Mycorrhizal fungi have a special protein called glomalin which is secreted by the hyphae and spores of such fungi. Glomalin involves in aggregate stability and C storage in soil. In addition to the fungal dominance and mycorrhizal associations, microalgae have been exploited as potential and promising method for CO2 capture and storage. The present review highlights the key role that soil microbes can play as an ecosystem service provider in mitigating global carbon-di-oxide emission.

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