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dc.contributor.author
Spain, Alister V.
dc.contributor.author
Tibbett, Mark
dc.contributor.author
Ridd, Michael
dc.contributor.author
McLaren, Timothy I.
dc.date.accessioned
2018-06-21T11:31:35Z
dc.date.available
2018-06-21T04:08:29Z
dc.date.available
2018-06-21T11:31:35Z
dc.date.issued
2018-06
dc.identifier.issn
0032-079X
dc.identifier.issn
1573-5036
dc.identifier.other
10.1007/s11104-018-3668-8
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/271156
dc.identifier.doi
10.3929/ethz-b-000271156
dc.description.abstract
Background and aims: We hypothesized that successful early ecosystem and soil development in these P-deficient soil materials will initially depend on effective re-establishment of P storage and cycling through organic matter. This hypothesis was tested in a 26-year chronosequence of seven lightly fertilized, oxidic soil materials restored to eucalypt forest communities after bauxite mining. Methods: Total P (Pt) status, Hedley P fractions and partial chemical speciation (NaOH-EDTA extraction and analysed using solution 31P NMR spectroscopy) were determined in the restored soils. Results: Concentrations of Pt and most Hedley fractions changed with restoration period, declined with depth and were strongly positively correlated with C and N concentrations. Biological P dominated the Labile and Intermediate P fractions while Long-term P was dominantly inorganic. Organic P concentrations in NaOH-EDTA extracts and their chemical natures were similar in restored and unburned native forest sites. Phosphomonoesters were the dominant class of organic P. Conclusions: Surprisingly rapid P accretion and fractional changes occurred over 26 years, largely in the surface soils and closely associated with organic matter status. Alkaline hydrolysis products of phosphodiesters and pyrophosphate indicated the importance of microbial P cycling. The important consequences for long-term ecosystem development and biological diversity require further study.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Springer
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
Mining
en_US
dc.subject
Oxisols
en_US
dc.subject
P-fractionation
en_US
dc.subject
P-speciation
en_US
dc.subject
Pedogenesis
en_US
dc.subject
Restoration
en_US
dc.title
Phosphorus dynamics in a tropical forest soil restored after strip mining
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2018-05-23
ethz.journal.title
Plant and Soil
ethz.journal.volume
427
en_US
ethz.journal.issue
1-2
en_US
ethz.journal.abbreviated
Plant Soil
ethz.pages.start
105
en_US
ethz.pages.end
123
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.publication.place
Berlin
en_US
ethz.publication.status
published
en_US
ethz.date.deposited
2018-06-21T04:08:49Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2018-06-21T11:31:37Z
ethz.rosetta.lastUpdated
2020-02-15T13:38:08Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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