MICROORGANISM IN TERRESTRIAL ECOSYSTEM - SOIL-

Soil Population

Bacteria

Decomposers

Mutual;istics

Pathogens

Litothrophs / chemoautotrophs

Fungi

Decomposers

Mutualistics

Mycorrhizae

Abuscular mycorrhizae

Endomycorrhizae

Ectomycorrhizae

Pathogens

Cause wheat rust

Cause wheat rust

Protozoa

Mineralizing nutrients

Regulating bacteria populations

Food source

Viruses

cause chestnut blight

cause chestnut blight

Soil Organic Matter (SOM)

Retain nuttrients

Maintains soil structure

Holds water for plants use

Categories Of Soil

Mmineral soil

Organic soil

Physicochemical Conditions Affect Microbial Population

Surfaces

Water (moisture)

Temperature

Acidity & alkalinity

Soil atmosphere