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- Figueiredo, VivianeUniv Fed Rio de Janeiro, Brazil; Univ Fed Fluminense, Brazil; Univ Fed Rio de Janeiro, Brazil (author)
Evolution of nitrogen cycling in regrowing Amazonian rainforest
- Article/chapterEnglish2019
Publisher, publication year, extent ...
- 2019-06-12
- Springer Science and Business Media LLC,2019
Numbers
- LIBRIS-ID:oai:gup.ub.gu.se/281294
- https://gup.ub.gu.se/publication/281294URI
- https://doi.org/10.1038/s41598-019-43963-4DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-158874URI
Supplementary language notes
- Language:English
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- SwePubSwePub
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Notes
- Funding Agencies|FAPERJ NOTA 10 program; Strategic Research Area BECC (Biodiversity and Ecosystems services in a Changing Climate)
- Extensive regions of tropical forests are subjected to high rates of deforestation and forest regrowth and both are strongly affect soil nutrient cycling. Nitrogen (N) dynamics changes during forest regrowth and the recovery of forests and functioning similar to pristine conditions depends on sufficient N availability. We show that, in a chronosequence of Amazonian forests, gross nitrification and, as a result, nitrate-to-ammonium (NO3−: NH4+) ratio were lower in all stages of regrowing forests (10 to 40 years) compared to pristine forest. This indicates the evolution of a more conservative and closed N cycle with reduced risk for N leaking out of the ecosystem in regrowing forests. Furthermore, our results indicate that mineralization and nitrification are decoupled in young regrowing forests (10 years), such as that high gross mineralization is accompanied by low gross nitrification, demonstrating a closed N cycle that at the same time maintains N supply for forest regrowth. We conclude that the status of gross nitrification in disturbed soil is a key process to understand the mechanisms of and time needed for tropical forest recovery.
Subject headings and genre
- LANTBRUKSVETENSKAPER Lantbruksvetenskap, skogsbruk och fiske Markvetenskap hsv//swe
- AGRICULTURAL SCIENCES Agriculture, Forestry and Fisheries Soil Science hsv//eng
- NATURVETENSKAP Biologi Ekologi hsv//swe
- NATURAL SCIENCES Biological Sciences Ecology hsv//eng
- NATURVETENSKAP Geovetenskap och miljövetenskap Annan geovetenskap och miljövetenskap hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences Other Earth and Related Environmental Sciences hsv//eng
- LANTBRUKSVETENSKAPER Lantbruksvetenskap, skogsbruk och fiske Skogsvetenskap hsv//swe
- AGRICULTURAL SCIENCES Agriculture, Forestry and Fisheries Forest Science hsv//eng
Added entries (persons, corporate bodies, meetings, titles ...)
- Enrich Prast, AlexLinköpings universitet,Tema Miljöförändring,Filosofiska fakulteten,Univ Fed Rio de Janeiro, Brazil; Univ Fed Fluminense, Brazil; Univ Fed Rio de Janeiro, Brazil(Swepub:liu)aleen07 (author)
- Rütting, Tobias,1977Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences,Univ Gothenburg, Sweden(Swepub:gu)xrutto (author)
- Univ Fed Rio de Janeiro, Brazil; Univ Fed Fluminense, Brazil; Univ Fed Rio de Janeiro, BrazilTema Miljöförändring (creator_code:org_t)
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- In:Scientific Reports: Springer Science and Business Media LLC92045-2322
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