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Journal Article

Nutrient dynamics of decomposing leaves from Amazonian floodplain forest species in water

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Furch,  Karin
Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Junk,  Wolfgang J.
Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Citation

Furch, K., Junk, W. J., & Campos, Z. E. (1989). Nutrient dynamics of decomposing leaves from Amazonian floodplain forest species in water. Amazoniana: Limnologia et Oecologia Regionalis Systematis Fluminis Amazonas, 11(1), 91-116.


Cite as: https://hdl.handle.net/21.11116/0000-0004-85A7-9
Abstract
Decomposition experiments were performed in freshwater tanks using fresh leaves of four Amazonian tree species from blackwater and whitewater floodplain forests. Weight loss, loss of the major
elements, Na, K, Mg, Ca, N and P from the leaves, and release of these elements into the water were
studied during a four month period. Based on the nutrient contents of fresh multispecies leaf litter and
data on the shedding of this litter, nutrient inputs from leaves into bodies of blackwater and whitewater in the forests during flood period were calculated. The input of dissolved inorganic N, P and K
may be as great or even greater than input from river water, indicating the importance of the floodplain
forest as nutrient pump from sediments into the water.