Journal ArticleDOI
Recuperation of nitrogen cycling in Amazonian forests following agricultural abandonment
Eric A. Davidson,Cláudio José Reis de Carvalho,Adelaine Michela e Silva Figueira,Françoise Yoko Ishida,Jean Pierre Henry Balbaud Ometto,Gabriela Bielefeld Nardoto,R.T. Saba,Sanae N. Hayashi,Eliane Constantinov Leal,Ima Célia Guimarães Vieira,Luiz Antonio Martinelli +10 more
Reads0
Chats0
TLDR
The patterns of N and P cycling during secondary forest succession are similar to N- and P-cycling patterns during primary succession as soils age over thousands and millions of years, thus revealing that N availability in terrestrial ecosystems is ephemeral and can be disrupted by either natural or anthropogenic disturbances at several timescales.Abstract:
Phosphorus (P) is generally considered the most common limiting nutrient for productivity of mature tropical lowland forests growing on highly weathered soils. It is often assumed that P limitation also applies to young tropical forests, but nitrogen (N) losses during land-use change may alter the stoichiometric balance of nutrient cycling processes. In the Amazon basin, about 16% of the original forest area has been cleared, and about 30-50% of cleared land is estimated now to be in some stage of secondary forest succession following agricultural abandonment. Here we use forest age chronosequences to demonstrate that young successional forests growing after agricultural abandonment on highly weathered lowland tropical soils exhibit conservative N-cycling properties much like those of N-limited forests on younger soils in temperate latitudes. As secondary succession progresses, N-cycling properties recover and the dominance of a conservative P cycle typical of mature lowland tropical forests re-emerges. These successional shifts in N:P cycling ratios with forest age provide a mechanistic explanation for initially lower and then gradually increasing soil emissions of the greenhouse gas nitrous oxide (N(2)O). The patterns of N and P cycling during secondary forest succession, demonstrated here over decadal timescales, are similar to N- and P-cycling patterns during primary succession as soils age over thousands and millions of years, thus revealing that N availability in terrestrial ecosystems is ephemeral and can be disrupted by either natural or anthropogenic disturbances at several timescales.read more
Citations
More filters
Journal ArticleDOI
Global assessment of nitrogen deposition effects on terrestrial plant diversity: a synthesis.
Roland Bobbink,Kevin Hicks,James N. Galloway,Till Spranger,Rob Alkemade,Mike Ashmore,Mercedes M. C. Bustamante,Steve Cinderby,Eric A. Davidson,Frank Dentener,Bridget A. Emmett,Jan Willem Erisman,Mark E. Fenn,Frank S. Gilliam,Annika Nordin,Linda H. Pardo,W. de Vries +16 more
TL;DR: Ecosystems thought of as not N limited, such as tropical and subtropical systems, may be more vulnerable in the regeneration phase, in situations where heterogeneity in N availability is reduced by atmospheric N deposition, on sandy soils, or in montane areas.
Journal ArticleDOI
Terrestrial phosphorus limitation: mechanisms, implications, and nitrogen–phosphorus interactions
TL;DR: It is suggested that depletion, soil barriers, and low-P parent material often cause ultimate limitation because they control the ecosystem mass balance of P and cause it to be an ultimate limiting nutrient.
Journal ArticleDOI
The Amazon basin in transition
Eric A. Davidson,Alessandro Araújo,Alessandro Araújo,Paulo Artaxo,Jennifer K. Balch,Jennifer K. Balch,I. Foster Brown,I. Foster Brown,Mercedes M. C. Bustamante,Michael T. Coe,Ruth DeFries,Michael Keller,Michael Keller,Marcos Longo,J. William Munger,Wilfrid Schroeder,Britaldo Soares-Filho,Carlos Souza,Steven C. Wofsy +18 more
TL;DR: Signs of a transition to a disturbance-dominated regime include changing energy and water cycles in the southern and eastern portions of the Amazon basin.
Journal ArticleDOI
Biomass resilience of Neotropical secondary forests
Lourens Poorter,Frans Bongers,T. Mitchell Aide,Angelica M. Almeyda Zambrano,Patricia Balvanera,Justin M. Becknell,Vanessa K. Boukili,Pedro H. S. Brancalion,Eben N. Broadbent,Robin L. Chazdon,Dylan Craven,Dylan Craven,Jarcilene S. Almeida-Cortez,George A. L. Cabral,Ben H. J. de Jong,Julie S. Denslow,Daisy H. Dent,Daisy H. Dent,Saara J. DeWalt,Juan Manuel Dupuy,Sandra M. Durán,Mário M. Espírito-Santo,María C. Fandiño,Ricardo Gomes César,Jefferson S. Hall,José Luis Hernández-Stefanoni,Catarina C. Jakovac,Catarina C. Jakovac,André Braga Junqueira,André Braga Junqueira,Deborah K. Kennard,Susan G. Letcher,Juan Carlos Licona,Madelon Lohbeck,Madelon Lohbeck,Erika Marin-Spiotta,Miguel Martínez-Ramos,Paulo Eduardo dos Santos Massoca,Jorge A. Meave,Rita C. G. Mesquita,Francisco Mora,Rodrigo Muñoz,Robert Muscarella,Robert Muscarella,Yule Roberta Ferreira Nunes,Susana Ochoa-Gaona,Alexandre Adalardo de Oliveira,Edith Orihuela-Belmonte,Marielos Peña-Claros,Eduardo A. Pérez-García,Daniel Piotto,Jennifer S. Powers,Jorge Rodríguez-Velázquez,I. Eunice Romero-Pérez,Jorge Ruiz,Jorge Ruiz,Juan Saldarriaga,Arturo Sanchez-Azofeifa,Naomi B. Schwartz,Marc K. Steininger,Nathan G. Swenson,Marisol Toledo,María Uriarte,Michiel van Breugel,Michiel van Breugel,Michiel van Breugel,Hans van der Wal,Maria das Dores Magalhães Veloso,Hans F. M. Vester,Alberto Vicentini,Ima Célia Guimarães Vieira,Tony Vizcarra Bentos,G. Bruce Williamson,G. Bruce Williamson,Danaë M. A. Rozendaal,Danaë M. A. Rozendaal,Danaë M. A. Rozendaal +76 more
TL;DR: A biomass recovery map of Latin America is presented, which illustrates geographical and climatic variation in carbon sequestration potential during forest regrowth and will support policies to minimize forest loss in areas where biomass resilience is naturally low and promote forest regeneration and restoration in humid tropical lowland areas with high biomass resilience.
Journal ArticleDOI
A comprehensive quantification of global nitrous oxide sources and sinks
Hanquin Tian,Rongting Xu,Josep G. Canadell,Rona Thompson,Wilfried Winiwarter,Wilfried Winiwarter,Parvadha Suntharalingam,Eric A. Davidson,Philippe Ciais,Robert B. Jackson,Greet Janssens-Maenhout,Michael J. Prather,Pierre Regnier,Naiqing Pan,Shufen Pan,Glen P. Peters,Hao Shi,Francesco N. Tubiello,Sönke Zaehle,Feng Zhou,Almut Arneth,Gianna Battaglia,Sarah Berthet,Laurent Bopp,Alexander F. Bouwman,Alexander F. Bouwman,Alexander F. Bouwman,Erik T. Buitenhuis,Jinfeng Chang,Jinfeng Chang,Martyn P. Chipperfield,Shree R. S. Dangal,Edward J. Dlugokencky,James W. Elkins,Bradley D. Eyre,Bojie Fu,Bojie Fu,B. D. Hall,Akihiko Ito,Fortunat Joos,Paul B. Krummel,Angela Landolfi,Goulven Gildas Laruelle,Ronny Lauerwald,Ronny Lauerwald,Ronny Lauerwald,Wei Li,Wei Li,Sebastian Lienert,Taylor Maavara,Michael MacLeod,Dylan B. Millet,Stefan Olin,Prabir K. Patra,Prabir K. Patra,Ronald G. Prinn,Peter A. Raymond,Daniel J. Ruiz,Guido R. van der Werf,Nicolas Vuichard,Junjie Wang,Ray F. Weiss,Kelley C. Wells,Chris Wilson,Jia Yang,Yuanzhi Yao +65 more
TL;DR: A global N2O inventory is presented that incorporates both natural and anthropogenic sources and accounts for the interaction between nitrogen additions and the biochemical processes that control N 2O emissions, using bottom-up, top-down and process-based model approaches.
References
More filters
Journal ArticleDOI
The fate of phosphorus during pedogenesis
TL;DR: The fate of phosphorus during pedogenesis is considered with particular emphasis on vertical distribution within the profile Information is based on P fractionation studies involving a range of soil sequences in New Zealand forms of P in soil parent materials are discussed in relation to soil P transformations as discussed by the authors.
Journal ArticleDOI
Global patterns of plant leaf N and P in relation to temperature and latitude.
Peter B. Reich,Jacek Oleksyn +1 more
TL;DR: Results support the hypotheses that leaf N and P increase from the tropics to the cooler and drier midlatitudes because of temperature-related plant physiological stoichiometry and biogeographical gradients in soil substrate age and the N/P ratio increases with mean temperature and toward the equator.
Journal ArticleDOI
Litterfall, Nutrient Cycling, and Nutrient Limitation in Tropical Forests
TL;DR: It is suggested that phosphorus but not nitrogen availability limits litterfall in a substantial subset of intact tropical forests, especially those in Amazonia, which appears to be particularly low in available phosphorus.
Journal ArticleDOI
Scaling of c:n:p stoichiometry in forests worldwide: implications of terrestrial redfield‐type ratios
TL;DR: Inspired by the importance of globally well-constrained carbon:nitrogen: phosphorus ratios in planktonic biomass to the understanding of nutrient cycles and biotic feedbacks in marine ecosystems, this work looked for analogous patterns in forest ecosystems worldwide and found that C:N:P ratios were as constrained as marine ratios and statistically distinct from one another.
Journal ArticleDOI
Global patterns of the isotopic composition of soil and plant nitrogen
Ronald Amundson,Amy T. Austin,Edward A. G. Schuur,Edward A. G. Schuur,Kyungsoo Yoo,Virginia Matzek,Virginia Matzek,Carol Kendall,A. Uebersax,D. L. Brenner,W. T. Baisden,W. T. Baisden +11 more
TL;DR: For example, this article found that soil and plant δ15N values systematically decreased with increasing mean annual precipitation (MAP) and decreasing mean annual temperature (MAT), suggesting a systematic change in the source of plant available N (organic/NH4+ versus NO3−) with climate.