Components of the phosphorus
budget
�
Watershed land use
�
Coefficient
�
Land area
�
Septic systems
�
Soil retention
�
Occupancy rates
�
Internal recycling and
sediment release
�
Anoxia
�
Water quality
The external sources of phosphorus consist of the different land uses and other factors such as septic systems.
The model also includes internal sources such as sediment release.
