MICROORGANISMS IN TERRESTRIAL ECOSYSTEMS

1. Microorganisms in soil environment

1.1. Bacteria

1.2. Fungi

1.3. Protozoa

1.4. Viruses

2. Production in SOM

2.1. Nitrogen in soil

2.2. Phosphorus

3. The subsurface biosphere

3.1. Deep hot biosphere

3.2. Deep subsurface

4. Soil as microbial habitat

4.1. Categories of soil

4.1.1. minerals soil

4.1.2. organic soil

5. Physicochemical condition which affect microorganisms population

5.1. surface

5.2. water

5.3. temperature

5.4. acidity and alkalinity

5.5. soil atmosphere