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Increases in soil a...
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Camenzind, TessaBerlin-Brandenburg Institute of Advanced Biodiversity Research,Free University of Berlin
(författare)
Increases in soil aggregation following phosphorus additions in a tropical premontane forest are not driven by root and arbuscular mycorrhizal fungal abundances
- Artikel/kapitelEngelska2016
Förlag, utgivningsår, omfång ...
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2016-01-06
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Frontiers Media SA,2016
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10 s.
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:06d0c19e-df33-4863-9778-b06dada16bde
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https://lup.lub.lu.se/record/06d0c19e-df33-4863-9778-b06dada16bdeURI
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https://doi.org/10.3389/feart.2015.00089DOI
Kompletterande språkuppgifter
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Tropical ecosystems have an important role in global change scenarios, in part because they serve as a large terrestrial carbon pool. Carbon protection is mediated by soil aggregation processes, whereby biotic and abiotic factors influence the formation and stability of aggregates. Nutrient additions may affect soil structure indirectly by simultaneous shifts in biotic factors, mainly roots, and fungal hyphae, but also via impacts on abiotic soil properties. Here, we tested the hypothesis that soil aggregation will be affected by nutrient additions primarily via changes in arbuscular mycorrhizal fungal (AMF) hyphae and root length in a pristine tropical forest system. Therefore, the percentage of water-stable macroaggregates (> 250 µm) (WSA) and the soil mean weight diameter (MWD) was analyzed, as well as nutrient contents, pH, root length, and AMF abundance. Phosphorus additions significantly increased the amount of WSA, which was consistent across two different sampling times. Despite a positive effect of phosphorus additions on extra-radical AMF biomass, no relationship between WSA and extra-radical AMF nor roots was revealed by regression analyses, contrary to the proposed hypothesis. These findings emphasize the importance of analyzing soil structure in understudied tropical systems, since it might be affected by increasing nutrient deposition expected in the future.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Papathanasiou, Helena J.University of Göttingen
(författare)
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Förster, AntjeBerlin-Brandenburg Institute of Advanced Biodiversity Research,Free University of Berlin
(författare)
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Dietrich, KarlaUniversity of Tübingen
(författare)
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Hertel, DietrichUniversity of Göttingen
(författare)
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Homeier, JürgenUniversity of Göttingen
(författare)
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Oelmann, YvonneUniversity of Tübingen
(författare)
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Olsson, Pål A.Lund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Biodiversity,Department of Biology,Faculty of Science(Swepub:lu)mbio-pol
(författare)
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Suárez, Juan P.Universidad Técnica Particular de Loja
(författare)
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Rillig, Matthias C.Free University of Berlin,Berlin-Brandenburg Institute of Advanced Biodiversity Research
(författare)
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Berlin-Brandenburg Institute of Advanced Biodiversity ResearchFree University of Berlin
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Frontiers in Earth Science: Frontiers Media SA32296-6463
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Camenzind, Tessa
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Papathanasiou, H ...
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Förster, Antje
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Dietrich, Karla
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Hertel, Dietrich
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Homeier, Jürgen
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visa fler...
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Oelmann, Yvonne
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Olsson, Pål A.
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Suárez, Juan P.
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Rillig, Matthias ...
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