Table 1.

Dissolved oxygen, Fe, and DOC in surface and pore waters of the investigated fens

	Zarnekow			Wendewiesen
Parameter	Surface water	Pore water, 5–10 cm	Pore water, 55–60 cm	Surface water	Pore water, 5–10 cm	Pore water, 55–60 cm
O2, μM	215.6	n.d.	n.d.	121.9	n.d.	n.d.
Fe, μM	0.7	195.4	830.5	21.4	257.5	224.1
DOC, mM	1.3	5.9	8.6	2.4	6.0	5.8
DOC/Fe	1,750	30	10	113	23	26

n.d., not detectable.