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17. Coupled phosphorus and iron cycling
- 17.1 The P- and Fe-cycles in sedimentary
microbial ecosystems
- Concepts of microbial involvement in the iron and
manganese redox cycles.
- Physiological consequences which follow from iron
chemistry.
- Forms of sedimentary phosphorus.
- How anaerobic fermentation mediates the formation
and dissolution of Fe/P-minerals.
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- 17.2 Lake sediments: a case study
- Dynamics of microbial processes affecting P and
Fe in sediments of a eutrophic lake: seasonally fluctuating environmental
conditions at sediment-water interfaces.
- How to derive information about fluxes and rates
from measurements of states at sediment-water interfaces.
- Ferric iron bound phosphorus: scanning EDX microscopy
and chemical models for phosphorus integration into ferric iron(oxy)hydroxides.
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- 17.3 Constitutive activities and adaptation
of ecosystems
- Transition shift experiments in laboratory microcosms.
- Microbiologically mediated electron flow in anoxic
sediments: a model on microbially mediated regulation of phosphorus
release and retention.
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