Vulnerability of Soil Micro Biota Towards Natural and Anthropogenic Induced Changes and Loss of Pedospheric Functionality
Throughout the history of planet earth, microbes have radically reshaped all the forms of life by performing photosynthesis, producing oxygen, producing and fixing CO2 and decomposing organic matter which return nutrients back to the earth. With no microbes on earth all the different life and geochemical cycles will stop. Soil is the home to innumerable microbes. The outer most layer of the earth crust is called the pedosphere which provides bed for agriculture. All the microbiota, present in pedosphere have a strong association with their respective environments and habitats. Microbes residing the pedosphere serve as the foundation and life supporting systems to all the geochemical cycles and soil science is an outcome of all the advancements in geosciences. Geo-bio-spherically study of pedosphere involves the relation of each layer of earth with each other and their relationship with biosphere.
This chapter discusses the present scenario of pedosphere in terms of its structural composition, functions and the inter relationship of the microflora and fauna with the different layers of soil.
KeywordsAnthropology Bacterial diversity Pedosphere Agriculture Heavy metals
PB thanks DST-SERB: SB/YS/LS-213/2013 for the financial support.
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