Sphagnum-dominated bog systems are highly effective yet variable sources of bio-available iron to marine waters

• Published in: The Science of the total environment Vol. 556; pp. 53 - 62
• Main Authors: Krachler, Regina, Krachler, Rudolf F., Wallner, Gabriele, Steier, Peter, El Abiead, Yasin, Wiesinger, Hubert, Jirsa, Franz, Keppler, Bernhard K.
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier B.V 15.06.2016
• Subjects: Algae; Aquatic humic substances; Biogeochemistry of iron; Chlorella; Chlorella salina; Diacronema; dissolved organic carbon; drainage systems; Ecosystem; Ecosystem services; ecosystems; Environmental Monitoring; freshwater; Haptophyta; humic substances; iron; Iron - metabolism; Iron bioavailability; mass spectrometry; mixing; oceans; peatlands; Phytoplankton; primary productivity; runoff; Scotland; Seawater; Seawater - chemistry; Sphagnopsida - physiology; Sphagnum peatlands; streams; Wetlands; ANE, British Isles, Scotland; World Ocean; Scotland; Ecosystem services; Aquatic humic substances; Sphagnum peatlands; Iron bioavailability; Biogeochemistry of iron; Seawater

Iron is a micronutrient of particular interest as low levels of iron limit primary production of phytoplankton and carbon fluxes in extended regions of the world's oceans. Sphagnum-peatland runoff is extraordinarily rich in dissolved humic-bound iron. Given that several of the world's larg...