soil habitat

MICROORGANISM IN TERRESTRIAL ECOSYSTEM - SOIL-

Physicochemical Conditions Affect Microbial Population

Soil atmosphere

Acidity & alkalinity

Temperature

Water (moisture)

Surfaces

Categories Of Soil

Organic soil

Mmineral soil

Soil Organic Matter (SOM)

Holds water for plants use

Maintains soil structure

Retain nuttrients

Soil Population

Viruses

cause chestnut blight

Protozoa

Food source

Regulating bacteria populations

Mineralizing nutrients

Fungi

Cause wheat rust

Mutualistics

Mycorrhizae

Ectomycorrhizae

Endomycorrhizae

Abuscular mycorrhizae

Bacteria

Litothrophs / chemoautotrophs

Pathogens

Mutual;istics

Decomposers