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dc.contributor.authorChen, X.
dc.contributor.authorCondron, Leo M.
dc.contributor.authorDunfield, K. E.
dc.contributor.authorWakelin, S. A.
dc.contributor.authorChen, L.
dc.date.accessioned2021-05-25T23:02:47Z
dc.date.available2021-05-04en
dc.date.issued2021-08
dc.date.submitted2021-04-20en
dc.identifier.issn0038-0717en
dc.identifier.urihttps://hdl.handle.net/10182/13836
dc.description.abstractWhile grassland afforestation can enhance the net mineralization of soil organic phosphorus (P), the mechanisms involved and impacts of different tree species are not clear. Soil samples were taken from replicated adjacent field plots that had been maintained under unfertilized grazed grassland, radiata pine (Pinus radiata), and eucalyptus (Eucalyptus nitens) for 19 years. Soil phosphorus fractions were determined together with alkaline phosphatase activity and associated phoD and phoX gene analysis. Afforestation significantly decreased soil organic P, microbial biomass P, and soil alkaline phosphatase activity, and increased inorganic P bioavailability, although no differences were measured between radiata pine and eucalyptus. While distinct separation of phoD and phoX gene bacterial communities was associated with afforestation of grassland, separation between tree species was less pronounced. Shifts in phoD and phoX gene community structure were more related to soil moisture and pH than P status. Overall, we found that changes in soil moisture and pH associated with afforestation, rather than tree species per se, significantly affected the occurrence and diversity of bacterial alkaline phosphatase. This highlights the potential effects of changes in land-use and management on soil P dynamics and bioavailability.en
dc.format.extent9en
dc.languageenen
dc.language.isoen
dc.publisherElsevier BV
dc.relationThe original publication is available from - Elsevier BV - https://doi.org/10.1016/j.soilbio.2021.108274en
dc.relation.urihttps://doi.org/10.1016/j.soilbio.2021.108274en
dc.rights© 2021 Elsevier Ltd. All rights reserved.
dc.subjectsoil phosphorus fractionsen
dc.subjectsoil alkaline phosphatase activityen
dc.subjectlong-term afforestationen
dc.subjectphoD and phoX gene communitiesen
dc.subjectAgronomy & Agricultureen
dc.titleImpact of grassland afforestation with contrasting tree species on soil phosphorus fractions and alkaline phosphatase gene communitiesen
dc.typeJournal Article
lu.contributor.unitLincoln University
lu.contributor.unitFaculty of Agriculture and Life Sciences
lu.contributor.unitDepartment of Soil and Physical Sciences
dc.identifier.doi10.1016/j.soilbio.2021.108274en
dc.relation.isPartOfSoil Biology and Biochemistryen
pubs.organisational-group/LU
pubs.organisational-group/LU/Agriculture and Life Sciences
pubs.organisational-group/LU/Agriculture and Life Sciences/SOILS
pubs.organisational-group/LU/Research Management Office
pubs.organisational-group/LU/Research Management Office/QE18
pubs.publication-statusPublisheden
pubs.volume159en
lu.identifier.orcid0000-0002-3082-994X
pubs.article-number108274en


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