PPT Slide

Mesocosm Experiment

• Treatments:
  • Control: Bag A
  • Organic Matter: Bag B
  • Daily Nutrients: Bag C
  • DOM + Nutrients: Bag D

• Additions:
  • NO3 (5 mM), PO4 (0.5 mM), Si (7 mM)
  • Leaf litter leachate (300 mM DOC)

• Samples Taken:
  • NO3, NH4, PO4, Si, O2 DIC
  • PAR
  • POC, PON, DOC, DON
  • Chl a
  • PP (14C and O2 incubations)
  • Bacterial No. and productivity
  • Phyto- and zooplankton counts
  • DI13C, DO13C, DO15N
  • Size fractionated d13C and d15N

A

B

C

D

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