Terrestrial Ecosystems(Soil)

Soil

Rocks and minerals

Water

Air

Decomposing Organisms

leaves, woods, animals

Decomposer Organisms

Bacteria and fungi

Detrivores

Worms and beetles

Detritus: early decomposition

Humus: late decomposition

Pedogenesis

weathering

colonization

differentiation

Soil layers

O Detritus (organic)

A Topsoil (surface)

B Subsoil

C Substatum

R Bedrock

Soil Benefits

Recycling, storing and providing nutirients

Water storage

Water filtration and purification

By: Miguel Ponce