Environmental Engineering Reference
In-Depth Information
Sun
Producers (rooted plants)
Producers (phytoplankton)
Primary consumers (zooplankton)
Secondary consumer (fish)
Dissolved
chemicals
Te r tiary consumer
(turtle)
Sediment
Decomposers (bacteria and fungi)
Figure 3-9
Natural capital:
major components of a freshwater ecosystem.
Sun
Oxygen (O
2
)
Producer
Carbon dioxide (CO
2
)
Secondary consumer
(fox)
Primary consumer
(rabbit)
Precipitation
Falling leaves
and twigs
Producers
Soil decomposers
Water
rie
Active Figure 3-10
Natural capital:
major components of an ecosystem
in a field.
See an animation based on this figure and take a short quiz on the concept.
