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dc.contributor.author
Baumgartner, Simon
dc.contributor.author
Bauters, Marijn
dc.contributor.author
Drake, Travis William
dc.contributor.author
Barthel, Matti
dc.contributor.author
Alebadwa, Serge
dc.contributor.author
Bahizire, Nadine
dc.contributor.author
Bazirake, Basile Mujinya
dc.contributor.author
Six, Johan
dc.contributor.author
Boeckx, Pascal
dc.contributor.author
Van Oost, Kristof
dc.date.accessioned
2023-05-15T13:03:20Z
dc.date.available
2022-07-10T03:17:32Z
dc.date.available
2022-08-08T10:51:17Z
dc.date.available
2023-05-15T13:03:20Z
dc.date.issued
2023-04
dc.identifier.issn
1432-9840
dc.identifier.issn
1435-0629
dc.identifier.other
10.1007/s10021-022-00773-6
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/557110
dc.description.abstract
Aquatic losses of nutrients are important loss vectors in the nutrient budgets of tropical forests. Traditionally, research has focused mainly on losses of inorganic nutrient forms, whereas the potential contribution of organic and particulate losses to the total nutrient export budget is much less constrained. In this study, we quantified full aquatic nitrogen (N) and phosphorus (P) exports, including inorganic, organic and particulate forms, from a moist tropical lowland forest and a semi-dry Miombo woodland forest within the Congo Basin. While particulate organic N (PON) was the highest N loss vector in the lowland stream (3.34 kg N ha(-1) y(-1); 44% of TN), dissolved organic N (DON) dominated the export in the Miombo stream (1.41 kg N ha(-1) y(.-1); 47% of TN). Aquatic P export was dominated by dissolved organic P (DOP) in both streams, with yields of 0.29 kg P ha(-1) y(-1) (65% of TP) in the lowland and 0.24 kg P ha(-1) y(-1) (69% of TP) in the Miombo. Storm events were driving those losses, exporting disproportionally high N and P loads during short periods of stormflow conditions (32% and 47% of TN and 20% and 40% of TP in the lowland and Miombo, respectively). Our results highlight the need to take particulate and organic forms into account as important loss vectors in the nutrient balance of tropical forests. This finding is of particular importance considering the projected increasing rainfall intensities in many tropical regions which might exacerbate the export of these nutrient forms in the near future.
en_US
dc.language.iso
en
en_US
dc.publisher
Springer
en_US
dc.subject
biogeochemistry
en_US
dc.subject
tropical forests
en_US
dc.subject
Congo Basin
en_US
dc.subject
particulate organic nitrogen
en_US
dc.subject
particulate phosphorus
en_US
dc.subject
storm events
en_US
dc.title
Substantial Organic and Particulate Nitrogen and Phosphorus Export from Geomorphologically Stable African Tropical Forest Landscapes
en_US
dc.type
Journal Article
dc.date.published
2022-06-30
ethz.journal.title
Ecosystems
ethz.journal.volume
26
en_US
ethz.journal.issue
3
en_US
ethz.pages.start
553
en_US
ethz.pages.end
567
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
New York, NY
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03982 - Six, Johan / Six, Johan
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03982 - Six, Johan / Six, Johan
ethz.date.deposited
2022-07-10T03:17:56Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2024-02-02T23:11:07Z
ethz.rosetta.lastUpdated
2024-02-02T23:11:07Z
ethz.rosetta.versionExported
true
ethz.COinS
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