Nitrogen Cycle
•
Reservoir Pool
–
Atmosphere
•
Cycling Pool
–
Plants, Animals, and Detritus
–
Sediments/ Soils
–
•
Forms
–
Atmospheric nitrogen (N
2
)
–
Ammonium (NH
3
and NH
4
+
)
–
Nitrates
(NO
2
-
and NO
3
-
)