ENSO Drives interannual variation of forest woody growth across the tropics

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ENSO Drives interannual variation of forest woody growth across the tropics

Rifai, Sami W. (författare): University of Oxford

Girardin, Cécile A.J. (författare): University of Oxford

Berenguer, Erika (författare): Lancaster University,University of Oxford

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Del Aguila-Pasquel, Jhon (författare): Instituto de Investigaciones de la Amazonia Peruana (IIAP)

Dahlsjö, Cecilia A.L. (författare): University of Oxford

Doughty, Christopher E. (författare): Northern Arizona University

Jeffery, Kathryn J. (författare): Institut de Recherche en Écologie Tropicale,University of Stirling,National Agency for National Parks

Moore, Sam (författare): University of Oxford

Oliveras, Imma (författare): University of Oxford

Riutta, Terhi (författare): University of Oxford

Rowland, Lucy M. (författare): University of Exeter

Murakami, Alejandro Araujo (författare): Museo de Historia Natural Noel Kempff Mercado,Gabriel René Moreno Autonomous University

Addo-Danso, Shalom D. (författare): Forestry Research Institute of Ghana (FORIG)

Brando, Paulo (författare): Woods Hole Oceanographic Institution,Amazon Environmental Research Institute (IPAM)

Burton, Chad (författare): University of Oxford

Ondo, Fidèle Evouna (författare): National Agency for National Parks

Duah-Gyamfi, Akwasi (författare): Forestry Research Institute of Ghana (FORIG)

Amézquita, Filio Farfán (författare): National University of Saint Anthony the Abbot in Cuzco

Freitag, Renata (författare): State University Of Mato Grosso (UNIMAT)

Pacha, Fernando Hancco (författare): National University of Saint Anthony the Abbot in Cuzco

Huasco, Walter Huaraca (författare): University of Oxford

Ibrahim, Forzia (författare): Forestry Research Institute of Ghana (FORIG)

Mbou, Armel T. (författare): Euro-Mediterranean Center on Climate Change

Mihindou, Vianet Mihindou (författare): Ministère de la Forêt et de l'Environnement, Gabon,National Agency for National Parks

Peixoto, Karine S. (författare): State University Of Mato Grosso (UNIMAT)

Rocha, Wanderley (författare): Amazon Environmental Research Institute (IPAM)

Rossi, Liana C. (författare): São Paulo State University

Seixas, Marina (författare): Brazilian Agricultural Research Corporation

Silva-Espejo, Javier E. (författare): Universidad de La Serena

Abernethy, Katharine A. (författare): University of Stirling,Institut de Recherche en Écologie Tropicale

Adu-Bredu, Stephen (författare): Forestry Research Institute of Ghana (FORIG)

Barlow, Jos (författare): Lancaster University

da Costa, Antonio C.L. (författare): Federal University of Pará

Marimon, Beatriz S. (författare): State University Of Mato Grosso (UNIMAT)

Marimon-Junior, Ben H. (författare): State University Of Mato Grosso (UNIMAT)

Meir, Patrick (författare): University of Edinburgh,Australian National University

Metcalfe, Daniel B. (författare): Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science

Phillips, Oliver L. (författare): University of Leeds

White, Lee J.T. (författare): Institut de Recherche en Écologie Tropicale,University of Stirling

Malhi, Yadvinder (författare): University of Oxford

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2018-10-08
2018
Engelska.
Ingår i: Philosophical Transactions of the Royal Society B: Biological Sciences. - : The Royal Society. - 1471-2970 .- 0962-8436. ; 373:1760

Relaterad länk:: http://dx.doi.org/10...; visa fler...; https://royalsociety...; https://lup.lub.lu.s...; https://doi.org/10.1...; visa färre...

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Meteorological extreme events such as El Niño events are expected to affect tropical forest net primary production (NPP) and woody growth, but there has been no large-scale empirical validation of this expectation. We collected a large high-temporal resolution dataset (for 1-13 years depending upon location) of more than 172 000 stem growth measurements using dendrometer bands from across 14 regions spanning Amazonia, Africa and Borneo in order to test how much month-to-month variation in stand-level woody growth of adult tree stems (NPPstem) can be explained by seasonal variation and interannual meteorological anomalies. A key finding is that woody growth responds differently to meteorological variation between tropical forests with a dry season (where monthly rainfall is less than 100 mm), and aseasonal wet forests lacking a consistent dry season. In seasonal tropical forests, a high degree of variation in woody growth can be predicted from seasonal variation in temperature, vapour pressure deficit, in addition to anomalies of soil water deficit and shortwave radiation. The variation of aseasonal wet forest woody growth is best predicted by the anomalies of vapour pressure deficit, water deficit and shortwave radiation. In total, we predict the total live woody production of the global tropical forest biome to be 2.16 Pg C yr-1, with an interannual range 1.96-2.26 Pg C yr-1 between 1996-2016, and with the sharpest declines during the strong El Niño events of 1997/8 and 2015/6. There is high geographical variation in hotspots of El Niño-associated impacts, with weak impacts in Africa, and strongly negative impacts in parts of Southeast Asia and extensive regions across central and eastern Amazonia. Overall, there is high correlation (r = -0.75) between the annual anomaly of tropical forest woody growth and the annual mean of the El Niño 3.4 index, driven mainly by strong correlations with anomalies of soil water deficit, vapour pressure deficit and shortwave radiation.This article is part of the discussion meeting issue 'The impact of the 2015/2016 El Niño on the terrestrial tropical carbon cycle: patterns, mechanisms and implications'.

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Av författaren/redakt...: Rifai, Sami W.; Girardin, Cécile ...; Berenguer, Erika; Del Aguila-Pasqu ...; Dahlsjö, Cecilia ...; Doughty, Christo ...; visa fler...; Jeffery, Kathryn ...; Moore, Sam; Oliveras, Imma; Riutta, Terhi; Rowland, Lucy M.; Murakami, Alejan ...; Addo-Danso, Shal ...; Brando, Paulo; Burton, Chad; Ondo, Fidèle Evo ...; Duah-Gyamfi, Akw ...; Amézquita, Filio ...; Freitag, Renata; Pacha, Fernando ...; Huasco, Walter H ...; Ibrahim, Forzia; Mbou, Armel T.; Mihindou, Vianet ...; Peixoto, Karine ...; Rocha, Wanderley; Rossi, Liana C.; Seixas, Marina; Silva-Espejo, Ja ...; Abernethy, Katha ...; Adu-Bredu, Steph ...; Barlow, Jos; da Costa, Antoni ...; Marimon, Beatriz ...; Marimon-Junior, ...; Meir, Patrick; Metcalfe, Daniel ...; Phillips, Oliver ...; White, Lee J.T.; Malhi, Yadvinder; visa färre...

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ENSO Drives interannual variation of forest woody growth across the tropics

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