Show:
carbon
nitrogen
phosphorous
redox ladder
100

Litter-->Organic C

what is decomposition

100

NO3-->NO2-->NO-->N20-->N2

denitrification

100

DOP

dissolved organic P

100

S reducers

SO4->H2S

200

organic c-->CO2

respiration


200

NH4-->NH3+H+-->NH3

ammonia volatilization

200

plant biomass P--> POP

litterfall

200

NO3- ->N2

denitrifiers

300

organic c-->CH4

methanogenesis

300

NH4+-->NO3-

nitrification

300

POP(aerobic)-->POP(anaerobic)

peat accretion

300

O2-->H2O

aerobes

400

CO2-->plant

photosynthesis

400

organic N-->NH4

mineralization

400

DIP --> ____

plant uptake

400

CO2->CH4

methanogens

500

litter-->peat

peat accretion

500

ionized form of NH

NH4+

500

P bound iron or aluminum at what pHs

peak at pH 5

range (3-7)

500

Fe3+ -> Fe2+

iron reducers