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dc.contributor.authorCui, Haiyingen_US
dc.contributor.authorVitousek, Peter M.en_US
dc.contributor.authorReed, Sasha C.en_US
dc.contributor.authorSun, Weien_US
dc.contributor.authorSokoya, Blessingen_US
dc.contributor.authorBamigboye, Adebola R.en_US
dc.contributor.authorVerma, Jay Prakashen_US
dc.contributor.authorMukherjee, Arpanen_US
dc.contributor.authorPeñaloza-Bojacá, Gabriel F. Peen_US
dc.contributor.authorTeixido, Alberto L.en_US
dc.contributor.authorTrivedi, Pankajen_US
dc.contributor.authorHe, Ji-Zhengen_US
dc.contributor.authorHu, Hang-Weien_US
dc.contributor.authorPng, Kenny Guochenen_US
dc.contributor.authorDelgado-Baquerizo, Manuelen_US
dc.identifier.citationCui, H., Vitousek, P. M., Reed, S. C., Sun, W., Sokoya, B., Bamigboye, A. R., Verma, J. P., Mukherjee, A., Peñaloza-Bojacá, G. F. P., Teixido, A. L., Trivedi, P., He, J., Hu, H., Png, K. G. & Delgado-Baquerizo, M. (2022). Environmental filtering controls soil biodiversity in wet tropical ecosystems. Soil Biology and Biochemistry, 166, 108571-.
dc.description.abstractThe environmental factors controlling soil biodiversity along resource gradients remain poorly understood in wet tropical ecosystems. Aboveground biodiversity is expected to be driven by changes in nutrient availability in these ecosystems, however, much less is known about the importance of nutrient availability in driving soil biodiversity. Here, we combined a cross-continental soil survey across tropical regions with a three decades' field experiment adding nitrogen (N) and phosphorus (P) (100 kg N ha−1y−1 and 100 kg P ha−1y−1) to Hawai'ian tropical forests with contrasting substrate ages (300 and 4,100,000 years) to investigate the influence of nutrient availability to explain the biodiversity of soil bacteria, fungi, protists, invertebrates and key functional genes. We found that soil biodiversity was driven by soil acidification during long-term pedogenesis and across environmental gradients, rather than by nutrient limitations. In fact, our results showed that experimental N additions caused substantial acidification in soils from Hawai'i. These declines in pH were related to large decreases in soil biodiversity from tropical ecosystems in four continents. Moreover, the microbial activity did not change in response to long-term N and P additions. We concluded that environmental filtering drives the biodiversity of multiple soil organisms, and that the acidification effects associated with N additions can further create substantial undesired net negative effects on overall soil biodiversity in naturally tropical acid soils. This knowledge is integral for the understanding and management of soil biodiversity in tropical ecosystems globally.en_US
dc.relation.ispartofSoil Biology and Biochemistryen_US
dc.rights© 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (
dc.subjectSocial sciences::Geographyen_US
dc.titleEnvironmental filtering controls soil biodiversity in wet tropical ecosystemsen_US
dc.typeJournal Articleen
dc.contributor.schoolAsian School of the Environmenten_US
dc.description.versionPublished versionen_US
dc.subject.keywordsSoil Acidificationen_US
dc.description.acknowledgementM. D-B. is supported by a Ramon ´ y Cajal grant (RYC2018-025483-I), a “Ayuda P.P. 2020. Desarrollo Lineas Investigacion ´ Propias (UPO), a project from the Spanish Ministry of Science and Innovation (PID2020- 115813RA-I00), and a project PAIDI 2020 from the Junta de Andalucía (P20_00879). H.Y.C. is supported by National Natural Science Foundation of China (32101335), China Postdoctoral Science Foundation (2021M690589), Innovation Project of Young Technological Talents in Changchun City (21QC07), and Fundamental Research Funds for the Central Universities (2412021QD014). J.P.V. is thankful to DST and SERB (Science and Engineering Research Board), India for financial support for plant-microbe interaction research.en_US
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