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Article ; Online: An Assessment of Soil Phytolith Analysis as a Palaeoecological Tool for Identifying Pre-Columbian Land Use in Amazonian Rainforests

Hill, James / Black, Stuart / Araujo-Murakami, Alejandro / Boot, Rene / Brienen, Roel / Feldpausch, Ted / Leigue, John / Murakami, Samaria / Monteagudo, Abel / Pardo, Guido / Peña-Claros, Marielos / Phillips, Oliver L. / Toledo, Marisol / Vos, Vincent / Zuidema, Pieter / Mayle, Francis E.

Quaternary

2023 Volume 6, Issue 2

Abstract: Phytolith analysis is a well-established archaeobotanical tool, having provided important insights into pre-Columbian crop cultivation and domestication across Amazonia through the Holocene. Yet, its use as a palaeoecological tool is in its infancy in ... ...

Abstract	Phytolith analysis is a well-established archaeobotanical tool, having provided important insights into pre-Columbian crop cultivation and domestication across Amazonia through the Holocene. Yet, its use as a palaeoecological tool is in its infancy in Amazonia and its effectiveness for reconstructing pre-Columbian land-use beyond archaeological sites (i.e., ‘off-site’) has so far received little critical attention. This paper examines both new and previously published soil phytolith data from SW Amazonia to assess the robustness of this proxy for reconstructing pre-Columbian land-use. We conducted the study via off-site soil pits radiating 7.5 km beyond a geoglyph in Acre state, Brazil, and 50 km beyond a ring-ditch in northern Bolivia, spanning the expected gradients in historical land-use intensity. We found that the spatio-temporal patterns in palm phytolith data across our soil-pit transects support the hypothesis that pre-Columbian peoples enriched their forests with palms over several millennia, although phytoliths are limited in their ability to capture small-scale crop cultivation and deforestation. Despite these drawbacks, we conclude that off-site soil phytolith analysis can provide novel insights into pre-Columbian land use, provided it is effectively integrated with other land-use (e.g., charcoal) and archaeological data.
Keywords	Amazonia ; Holocene ; palaeoecology ; phytoliths ; pre-Columbian
Language	English
Publishing country	nl
Document type	Article ; Online
ISSN	2571-550X
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Water table depth modulates productivity and biomass across Amazonian forests

Sousa, Thaiane R. / Schietti, Juliana / Ribeiro, Igor O. / Emílio, Thaise / Fernández, Rafael Herrera / ter Steege, Hans / Castilho, Carolina V. / Esquivel‐Muelbert, Adriane / Baker, Timothy / Pontes‐Lopes, Aline / Silva, Camila V. J. / Silveira, Juliana M. / Derroire, Géraldine / Castro, Wendeson / Mendoza, Abel Monteagudo / Ruschel, Ademir / Prieto, Adriana / Lima, Adriano José Nogueira / Rudas, Agustín /

Araujo‐Murakami, Alejandro / Gutierrez, Alexander Parada / Andrade, Ana / Roopsind, Anand / Manzatto, Angelo Gilberto / Di Fiore, Anthony / Torres‐Lezama, Armando / Dourdain, Aurélie / Marimon, Beatriz / Marimon, Ben Hur / Burban, Benoit / van Ulft, Bert / Herault, Bruno / Quesada, Carlos / Mendoza, Casimiro / Stahl, Clement / Bonal, Damien / Galbraith, David / Neill, David / de Oliveira, Edmar A. / Hase, Eduardo / Jimenez‐Rojas, Eliana / Vilanova, Emilio / Arets, Eric / Berenguer, Erika / Alvarez‐Davila, Esteban / Honorio Coronado, Eurídice N. / Almeida, Everton / Coelho, Fernanda / Valverde, Fernando Cornejo / Elias, Fernando / Brown, Foster / Bongers, Frans / Arevalo, Freddy Ramirez / Lopez‐Gonzalez, Gabriela / van der Heijden, Geertje / Aymard C., Gerardo A. / Llampazo, Gerardo Flores / Pardo, Guido / Ramírez‐Angulo, Hirma / do Amaral, Iêda Leão / Vieira, Ima Célia Guimarães / Huamantupa‐Chuquimaco, Isau / Comiskey, James A. / Singh, James / Espejo, Javier Silva / del Aguila‐Pasquel, Jhon / Zwerts, Joeri Alexander / Talbot, Joey / Terborgh, John / Ferreira, Joice / Barroso, Jorcely G. / Barlow, Jos / Camargo, José Luís / Stropp, Juliana / Peacock, Julie / Serrano, Julio / Melgaço, Karina / Ferreira, Leandro V. / Blanc, Lilian / Poorter, Lourens / Gamarra, Luis Valenzuela / Aragão, Luiz / Arroyo, Luzmila / Silveira, Marcos / Peñuela‐Mora, Maria Cristina / Vargas, Mario Percy Núñez / Toledo, Marisol / Disney, Mat / Réjou‐Méchain, Maxime / Baisie, Michel / Kalamandeen, Michelle / Camacho, Nadir Pallqui / Cardozo, Nállarett Dávila / Silva, Natalino / Pitman, Nigel / Higuchi, Niro / Banki, Olaf / Loayza, Patricia Alvarez / Graça, Paulo M. L. A. / Morandi, Paulo S. / van der Meer, Peter J. / van der Hout, Peter / Naisso, Pétrus / Camargo, Plínio Barbosa / Salomão, Rafael / Thomas, Raquel / Boot, Rene / Umetsu, Ricardo Keichi / da Costa Silva, Richarlly / Burnham, Robyn / Zagt, Roderick / Martinez, Rodolfo Vasquez / Brienen, Roel / Ribeiro, Sabina Cerruto / Lewis, Simon L. / Vieira, Simone Aparecida / de Almeida Reis, Simone Matias / Fauset, Sophie / Laurance, Susan / Feldpausch, Ted / Erwin, Terry / Killeen, Timothy / Wortel, Verginia / Moscoso, Victor Chama / Vos, Vincent / Huasco, Walter Huaraca / Laurance, William / Malhi, Yadvinder / Magnusson, William E. / Phillips, Oliver L. / Costa, Flávia R. C.

Global ecology and biogeography. 2022 Aug., v. 31, no. 8

2022

Abstract: AIM: Water availability is the major driver of tropical forest structure and dynamics. Most research has focused on the impacts of climatic water availability, whereas remarkably little is known about the influence of water table depth and excess soil ... ...

Abstract	AIM: Water availability is the major driver of tropical forest structure and dynamics. Most research has focused on the impacts of climatic water availability, whereas remarkably little is known about the influence of water table depth and excess soil water on forest processes. Nevertheless, given that plants take up water from the soil, the impacts of climatic water supply on plants are likely to be modulated by soil water conditions. LOCATION: Lowland Amazonian forests. TIME PERIOD: 1971–2019. METHODS: We used 344 long‐term inventory plots distributed across Amazonia to analyse the effects of long‐term climatic and edaphic water supply on forest functioning. We modelled forest structure and dynamics as a function of climatic, soil‐water and edaphic properties. RESULTS: Water supplied by both precipitation and groundwater affects forest structure and dynamics, but in different ways. Forests with a shallow water table (depth <5 m) had 18% less above‐ground woody productivity and 23% less biomass stock than forests with a deep water table. Forests in drier climates (maximum cumulative water deficit < −160 mm) had 21% less productivity and 24% less biomass than those in wetter climates. Productivity was affected by the interaction between climatic water deficit and water table depth. On average, in drier climates the forests with a shallow water table had lower productivity than those with a deep water table, with this difference decreasing within wet climates, where lower productivity was confined to a very shallow water table. MAIN CONCLUSIONS: We show that the two extremes of water availability (excess and deficit) both reduce productivity in Amazon upland (terra‐firme) forests. Biomass and productivity across Amazonia respond not simply to regional climate, but rather to its interaction with water table conditions, exhibiting high local differentiation. Our study disentangles the relative contribution of those factors, helping to improve understanding of the functioning of tropical ecosystems and how they are likely to respond to climate change.
Keywords	biogeography ; biomass ; climate ; climate change ; groundwater ; highlands ; inventories ; soil water ; tropical forests ; water supply ; water table ; Amazonia
Language	English
Dates of publication	2022-08
Size	p. 1571-1588.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	2021283-5
ISSN	1466-8238 ; 1466-822X ; 0960-7447
ISSN (online)	1466-8238
ISSN	1466-822X ; 0960-7447
DOI	10.1111/geb.13531
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Author Correction: Tree mode of death and mortality risk factors across Amazon forests.

Esquivel-Muelbert, Adriane / Phillips, Oliver L / Brienen, Roel J W / Fauset, Sophie / Sullivan, Martin J P / Baker, Timothy R / Chao, Kuo-Jung / Feldpausch, Ted R / Gloor, Emanuel / Higuchi, Niro / Houwing-Duistermaat, Jeanne / Lloyd, Jon / Liu, Haiyan / Malhi, Yadvinder / Marimon, Beatriz / Marimon Junior, Ben Hur / Monteagudo-Mendoza, Abel / Poorter, Lourens / Silveira, Marcos /

Torre, Emilio Vilanova / Dávila, Esteban Alvarez / Del Aguila Pasquel, Jhon / Almeida, Everton / Loayza, Patricia Alvarez / Andrade, Ana / Aragão, Luiz E O C / Araujo-Murakami, Alejandro / Arets, Eric / Arroyo, Luzmila / Aymard C, Gerardo A / Baisie, Michel / Baraloto, Christopher / Camargo, Plínio Barbosa / Barroso, Jorcely / Blanc, Lilian / Bonal, Damien / Bongers, Frans / Boot, René / Brown, Foster / Burban, Benoit / Camargo, José Luís / Castro, Wendeson / Moscoso, Victor Chama / Chave, Jerome / Comiskey, James / Valverde, Fernando Cornejo / da Costa, Antonio Lola / Cardozo, Nallaret Davila / Di Fiore, Anthony / Dourdain, Aurélie / Erwin, Terry / Llampazo, Gerardo Flores / Vieira, Ima Célia Guimarães / Herrera, Rafael / Honorio Coronado, Eurídice / Huamantupa-Chuquimaco, Isau / Jimenez-Rojas, Eliana / Killeen, Timothy / Laurance, Susan / Laurance, William / Levesley, Aurora / Lewis, Simon L / Ladvocat, Karina Liana Lisboa Melgaço / Lopez-Gonzalez, Gabriela / Lovejoy, Thomas / Meir, Patrick / Mendoza, Casimiro / Morandi, Paulo / Neill, David / Nogueira Lima, Adriano José / Vargas, Percy Nuñez / de Oliveira, Edmar Almeida / Camacho, Nadir Pallqui / Pardo, Guido / Peacock, Julie / Peña-Claros, Marielos / Peñuela-Mora, Maria Cristina / Pickavance, Georgia / Pipoly, John / Pitman, Nigel / Prieto, Adriana / Pugh, Thomas A M / Quesada, Carlos / Ramirez-Angulo, Hirma / de Almeida Reis, Simone Matias / Rejou-Machain, Maxime / Correa, Zorayda Restrepo / Bayona, Lily Rodriguez / Rudas, Agustín / Salomão, Rafael / Serrano, Julio / Espejo, Javier Silva / Silva, Natalino / Singh, James / Stahl, Clement / Stropp, Juliana / Swamy, Varun / Talbot, Joey / Ter Steege, Hans / Terborgh, John / Thomas, Raquel / Toledo, Marisol / Torres-Lezama, Armando / Gamarra, Luis Valenzuela / van der Heijden, Geertje / van der Meer, Peter / van der Hout, Peter / Martinez, Rodolfo Vasquez / Vieira, Simone Aparecida / Cayo, Jeanneth Villalobos / Vos, Vincent / Zagt, Roderick / Zuidema, Pieter / Galbraith, David

Nature communications

2021 Volume 12, Issue 1, Page(s) 209

Language	English
Publishing date	2021-01-04
Publishing country	England
Document type	Published Erratum
ZDB-ID	2553671-0
ISSN	2041-1723 ; 2041-1723
ISSN (online)	2041-1723
ISSN	2041-1723
DOI	10.1038/s41467-020-20537-x
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Water table depth modulates productivity and biomass across Amazonian forests

Sousa, Thaiane R. / Schietti, Juliana / Ribeiro, Igor O. / Emílio, Thaise / Fernández, Rafael Herrera / ter Steege, Hans / Castilho, Carolina V. / Esquivel-Muelbert, Adriane / Baker, Timothy / Pontes-Lopes, Aline / Silva, Camila V.J. / Silveira, Juliana M. / Derroire, Géraldine / Castro, Wendeson / Mendoza, Abel Monteagudo / Ruschel, Ademir / Prieto, Adriana / Lima, Adriano José Nogueira / Rudas, Agustín /

Araujo-Murakami, Alejandro / Gutierrez, Alexander Parada / Andrade, Ana / Roopsind, Anand / Manzatto, Angelo Gilberto / Di Fiore, Anthony / Torres-Lezama, Armando / Dourdain, Aurélie / Marimon, Beatriz / Marimon, Ben Hur / Burban, Benoit / van Ulft, Bert / Herault, Bruno / Quesada, Carlos / Mendoza, Casimiro / Stahl, Clement / Bonal, Damien / Galbraith, David / Neill, David / de Oliveira, Edmar A. / Hase, Eduardo / Jimenez-Rojas, Eliana / Vilanova, Emilio / Arets, Eric / Berenguer, Erika / Alvarez-Davila, Esteban / Honorio Coronado, Eurídice N. / Almeida, Everton / Coelho, Fernanda / Valverde, Fernando Cornejo / Elias, Fernando / Brown, Foster / Bongers, Frans / Arevalo, Freddy Ramirez / Lopez-Gonzalez, Gabriela / van der Heijden, Geertje / Aymard C., Gerardo A. / Llampazo, Gerardo Flores / Pardo, Guido / Ramírez-Angulo, Hirma / do Amaral, Iêda Leão / Vieira, Ima Célia Guimarães / Huamantupa-Chuquimaco, Isau / Comiskey, James A. / Singh, James / Espejo, Javier Silva / del Aguila-Pasquel, Jhon / Zwerts, Joeri Alexander / Talbot, Joey / Terborgh, John / Ferreira, Joice / Barroso, Jorcely G. / Barlow, Jos / Camargo, José Luís / Stropp, Juliana / Peacock, Julie / Serrano, Julio / Melgaço, Karina / Ferreira, Leandro V. / Blanc, Lilian / Poorter, Lourens / Gamarra, Luis Valenzuela / Aragão, Luiz / Arroyo, Luzmila / Silveira, Marcos / Peñuela-Mora, Maria Cristina / Vargas, Mario Percy Núñez / Toledo, Marisol / Disney, Mat / Réjou-Méchain, Maxime / Baisie, Michel / Kalamandeen, Michelle / Camacho, Nadir Pallqui / Cardozo, Nállarett Dávila / Silva, Natalino / Pitman, Nigel / Higuchi, Niro / Banki, Olaf / Loayza, Patricia Alvarez / Graça, Paulo M.L.A. / Morandi, Paulo S. / van der Meer, Peter J. / van der Hout, Peter / Naisso, Pétrus / Camargo, Plínio Barbosa / Salomão, Rafael / Thomas, Raquel / Boot, Rene / Umetsu, Ricardo Keichi / da Costa Silva, Richarlly / Burnham, Robyn / Zagt, Roderick / Martinez, Rodolfo Vasquez / Brienen, Roel / Ribeiro, Sabina Cerruto / Lewis, Simon L. / Vieira, Simone Aparecida / de Almeida Reis, Simone Matias / Fauset, Sophie / Laurance, Susan / Feldpausch, Ted / Erwin, Terry / Killeen, Timothy / Wortel, Verginia / Moscoso, Victor Chama / Vos, Vincent / Huasco, Walter Huaraca / Laurance, William / Malhi, Yadvinder / Magnusson, William E. / Phillips, Oliver L. / Costa, Flávia R.C.

Global Ecology and Biogeography

2022 Volume 31, Issue 8

Abstract: Aim: Water availability is the major driver of tropical forest structure and dynamics. Most research has focused on the impacts of climatic water availability, whereas remarkably little is known about the influence of water table depth and excess soil ... ...

Abstract	Aim: Water availability is the major driver of tropical forest structure and dynamics. Most research has focused on the impacts of climatic water availability, whereas remarkably little is known about the influence of water table depth and excess soil water on forest processes. Nevertheless, given that plants take up water from the soil, the impacts of climatic water supply on plants are likely to be modulated by soil water conditions. Location: Lowland Amazonian forests. Time period: 1971–2019. Methods: We used 344 long-term inventory plots distributed across Amazonia to analyse the effects of long-term climatic and edaphic water supply on forest functioning. We modelled forest structure and dynamics as a function of climatic, soil-water and edaphic properties. Results: Water supplied by both precipitation and groundwater affects forest structure and dynamics, but in different ways. Forests with a shallow water table (depth <5 m) had 18% less above-ground woody productivity and 23% less biomass stock than forests with a deep water table. Forests in drier climates (maximum cumulative water deficit < −160 mm) had 21% less productivity and 24% less biomass than those in wetter climates. Productivity was affected by the interaction between climatic water deficit and water table depth. On average, in drier climates the forests with a shallow water table had lower productivity than those with a deep water table, with this difference decreasing within wet climates, where lower productivity was confined to a very shallow water table. Main conclusions: We show that the two extremes of water availability (excess and deficit) both reduce productivity in Amazon upland (terra-firme) forests. Biomass and productivity across Amazonia respond not simply to regional climate, but rather to its interaction with water table conditions, exhibiting high local differentiation. Our study disentangles the relative contribution of those factors, helping to improve understanding of the functioning of tropical ecosystems and how ...
Keywords	above-ground biomass ; carbon ; forest dynamics ; groundwater ; seasonality ; tropical ecology
Language	English
Publishing country	nl
Document type	Article ; Online
ZDB-ID	2021283-5
ISSN	1466-8238 ; 1466-822X ; 0960-7447
ISSN (online)	1466-8238
ISSN	1466-822X ; 0960-7447
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Tree mode of death and mortality risk factors across Amazon forests.

Nature communications

2020 Volume 11, Issue 1, Page(s) 5515

Abstract: The carbon sink capacity of tropical forests is substantially affected by tree mortality. However, the main drivers of tropical tree death remain largely unknown. Here we present a pan-Amazonian assessment of how and why trees die, analysing over 120,000 ...

Abstract	The carbon sink capacity of tropical forests is substantially affected by tree mortality. However, the main drivers of tropical tree death remain largely unknown. Here we present a pan-Amazonian assessment of how and why trees die, analysing over 120,000 trees representing > 3800 species from 189 long-term RAINFOR forest plots. While tree mortality rates vary greatly Amazon-wide, on average trees are as likely to die standing as they are broken or uprooted-modes of death with different ecological consequences. Species-level growth rate is the single most important predictor of tree death in Amazonia, with faster-growing species being at higher risk. Within species, however, the slowest-growing trees are at greatest risk while the effect of tree size varies across the basin. In the driest Amazonian region species-level bioclimatic distributional patterns also predict the risk of death, suggesting that these forests are experiencing climatic conditions beyond their adaptative limits. These results provide not only a holistic pan-Amazonian picture of tree death but large-scale evidence for the overarching importance of the growth-survival trade-off in driving tropical tree mortality.
MeSH term(s)	Biomass ; Brazil ; Carbon Dioxide ; Carbon Sequestration ; Ecology ; Ecosystem ; Environmental Monitoring ; Forests ; Models, Biological ; Proportional Hazards Models ; Risk Factors ; Trees/growth & development ; Tropical Climate
Chemical Substances	Carbon Dioxide (142M471B3J)
Language	English
Publishing date	2020-11-09
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2553671-0
ISSN	2041-1723 ; 2041-1723
ISSN (online)	2041-1723
ISSN	2041-1723
DOI	10.1038/s41467-020-18996-3
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Compositional response of Amazon forests to climate change

Esquivel‐Muelbert, Adriane / Baker, Timothy R / Dexter, Kyle G / Lewis, Simon L / Brienen, Roel J. W / Feldpausch, Ted R / Lloyd, Jon / Monteagudo‐Mendoza, Abel / Arroyo, Luzmila / Álvarez-Dávila, Esteban / Higuchi, Niro / Marimon, Beatriz S / Marimon-Junior, Ben Hur / Silveira, Marcos / Vilanova, Emilio / Gloor, Emanuel / Malhi, Yadvinder / Chave, Jerôme / Barlow, Jos /

Bonal, Damien / Davila Cardozo, Nallaret / Erwin, Terry / Fauset, Sophie / Hérault, Bruno / Laurance, Susan / Poorter, Lourens / Qie, Lan / Stahl, Clement / Sullivan, Martin J. P / ter Steege, Hans / Vos, Vincent Antoine / Zuidema, Pieter A / Almeida, Everton / Almeida de Oliveira, Edmar / Andrade, Ana / Vieira, Simone Aparecida / Aragão, Luiz / Araujo‐Murakami, Alejandro / Arets, Eric / Aymard C, Gerardo A / Baraloto, Christopher / Camargo, Plínio Barbosa / Barroso, Jorcely G / Bongers, Frans / Boot, Rene / Camargo, José Luís / Castro, Wendeson / Chama Moscoso, Victor / Comiskey, James / Cornejo Valverde, Fernando / Lola da Costa, Antonio Carlos / del Aguila Pasquel, Jhon / Di Fiore, Anthony / Fernanda Duque, Luisa / Elias, Fernando / Engel, Julien / Flores Llampazo, Gerardo / Galbraith, David / Herrera Fernández, Rafael / Honorio Coronado, Eurídice / Hubau, Wannes / Jimenez‐Rojas, Eliana / Lima, Adriano José Nogueira / Umetsu, Ricardo Keichi / Laurance, William / Lopez‐Gonzalez, Gabriela / Lovejoy, Thomas / Aurelio Melo Cruz, Omar / Morandi, Paulo S / Neill, David / Núñez Vargas, Percy / Pallqui Camacho, Nadir C / Parada Gutierrez, Alexander / Pardo, Guido / Peacock, Julie / Peña‐Claros, Marielos / Peñuela‐Mora, Maria Cristina / Petronelli, Pascal / Pickavance, Georgia C / Pitman, Nigel / Prieto, Adriana / Quesada, Carlos / Ramírez‐Angulo, Hirma / Réjou‐Méchain, Maxime / Restrepo Correa, Zorayda / Roopsind, Anand / Rudas, Agustín / Salomão, Rafael / Silva, Natalino / Silva Espejo, Javier / Singh, James / Stropp, Juliana / Terborgh, John / Thomas, Raquel / Toledo, Marisol / Torres‐Lezama, Armando / Valenzuela Gamarra, Luis / van de Meer, Peter J / van der Heijden, Geertje / van der Hout, Peter / Vasquez Martinez, Rodolfo / Vela, Cesar / Vieira, Ima Célia Guimarães / Phillips, Oliver L

Global change biology. 2019 Jan., v. 25, no. 1

2019

Abstract: Most of the planet's diversity is concentrated in the tropics, which includes many regions undergoing rapid climate change. Yet, while climate‐induced biodiversity changes are widely documented elsewhere, few studies have addressed this issue for lowland ...

Abstract	Most of the planet's diversity is concentrated in the tropics, which includes many regions undergoing rapid climate change. Yet, while climate‐induced biodiversity changes are widely documented elsewhere, few studies have addressed this issue for lowland tropical ecosystems. Here we investigate whether the floristic and functional composition of intact lowland Amazonian forests have been changing by evaluating records from 106 long‐term inventory plots spanning 30 years. We analyse three traits that have been hypothesized to respond to different environmental drivers (increase in moisture stress and atmospheric CO2 concentrations): maximum tree size, biogeographic water‐deficit affiliation and wood density. Tree communities have become increasingly dominated by large‐statured taxa, but to date there has been no detectable change in mean wood density or water deficit affiliation at the community level, despite most forest plots having experienced an intensification of the dry season. However, among newly recruited trees, dry‐affiliated genera have become more abundant, while the mortality of wet‐affiliated genera has increased in those plots where the dry season has intensified most. Thus, a slow shift to a more dry‐affiliated Amazonia is underway, with changes in compositional dynamics (recruits and mortality) consistent with climate‐change drivers, but yet to significantly impact whole‐community composition. The Amazon observational record suggests that the increase in atmospheric CO2 is driving a shift within tree communities to large‐statured species and that climate changes to date will impact forest composition, but long generation times of tropical trees mean that biodiversity change is lagging behind climate change.
Keywords	biodiversity ; biogeography ; carbon dioxide ; climate change ; climatic factors ; dry season ; ecosystems ; forests ; inventories ; mortality ; trees ; tropical plants ; tropics ; wood density ; Amazonia
Language	English
Dates of publication	2019-01
Size	p. 39-56.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	1281439-8
ISSN	1365-2486 ; 1354-1013
ISSN (online)	1365-2486
ISSN	1354-1013
DOI	10.1111/gcb.14413
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Amazon tree dominance across forest strata.

Draper, Frederick C / Costa, Flavia R C / Arellano, Gabriel / Phillips, Oliver L / Duque, Alvaro / Macía, Manuel J / Ter Steege, Hans / Asner, Gregory P / Berenguer, Erika / Schietti, Juliana / Socolar, Jacob B / de Souza, Fernanda Coelho / Dexter, Kyle G / Jørgensen, Peter M / Tello, J Sebastian / Magnusson, William E / Baker, Timothy R / Castilho, Carolina V / Monteagudo-Mendoza, Abel /

Fine, Paul V A / Ruokolainen, Kalle / Coronado, Euridice N Honorio / Aymard, Gerardo / Dávila, Nállarett / Sáenz, Mauricio Sánchez / Paredes, Marcos A Rios / Engel, Julien / Fortunel, Claire / Paine, C E Timothy / Goret, Jean-Yves / Dourdain, Aurelie / Petronelli, Pascal / Allie, Elodie / Andino, Juan E Guevara / Brienen, Roel J W / Pérez, Leslie Cayola / Manzatto, Ângelo G / Zambrana, Narel Y Paniagua / Molino, Jean-François / Sabatier, Daniel / Chave, Jerôme / Fauset, Sophie / Villacorta, Roosevelt Garcia / Réjou-Méchain, Maxime / Berry, Paul E / Melgaço, Karina / Feldpausch, Ted R / Sandoval, Elvis Valderamma / Martinez, Rodolfo Vasquez / Mesones, Italo / Junqueira, André B / Roucoux, Katherine H / de Toledo, José J / Andrade, Ana C / Camargo, José Luís / Del Aguila Pasquel, Jhon / Santana, Flávia D / Laurance, William F / Laurance, Susan G / Lovejoy, Thomas E / Comiskey, James A / Galbraith, David R / Kalamandeen, Michelle / Aguilar, Gilberto E Navarro / Arenas, Jim Vega / Guerra, Carlos A Amasifuen / Flores, Manuel / Llampazo, Gerardo Flores / Montenegro, Luis A Torres / Gomez, Ricardo Zarate / Pansonato, Marcelo P / Moscoso, Victor Chama / Vleminckx, Jason / Barrantes, Oscar J Valverde / Duivenvoorden, Joost F / de Sousa, Sidney Araújo / Arroyo, Luzmila / Perdiz, Ricardo O / Cravo, Jessica Soares / Marimon, Beatriz S / Junior, Ben Hur Marimon / Carvalho, Fernanda Antunes / Damasco, Gabriel / Disney, Mathias / Vital, Marcos Salgado / Diaz, Pablo R Stevenson / Vicentini, Alberto / Nascimento, Henrique / Higuchi, Niro / Van Andel, Tinde / Malhi, Yadvinder / Ribeiro, Sabina Cerruto / Terborgh, John W / Thomas, Raquel S / Dallmeier, Francisco / Prieto, Adriana / Hilário, Renato R / Salomão, Rafael P / Silva, Richarlly da Costa / Casas, Luisa F / Vieira, Ima C Guimarães / Araujo-Murakami, Alejandro / Arevalo, Fredy Ramirez / Ramírez-Angulo, Hirma / Torre, Emilio Vilanova / Peñuela, Maria C / Killeen, Timothy J / Pardo, Guido / Jimenez-Rojas, Eliana / Castro, Wenderson / Cabrera, Darcy Galiano / Pipoly, John / de Sousa, Thaiane Rodrigues / Silvera, Marcos / Vos, Vincent / Neill, David / Vargas, Percy Núñez / Vela, Dilys M / Aragão, Luiz E O C / Umetsu, Ricardo Keichi / Sierra, Rodrigo / Wang, Ophelia / Young, Kenneth R / Prestes, Nayane C C S / Massi, Klécia G / Huaymacari, José Reyna / Gutierrez, Germaine A Parada / Aldana, Ana M / Alexiades, Miguel N / Baccaro, Fabrício / Céron, Carlos / Muelbert, Adriane Esquivel / Rios, Julio M Grandez / Lima, Antonio S / Lloyd, Jonathan L / Pitman, Nigel C A / Gamarra, Luis Valenzuela / Oroche, Cesar J Cordova / Fuentes, Alfredo F / Palacios, Walter / Patiño, Sandra / Torres-Lezama, Armando / Baraloto, Christopher

Nature ecology & evolution

2021 Volume 5, Issue 6, Page(s) 757–767

Abstract: The forests of Amazonia are among the most biodiverse plant communities on Earth. Given the immediate threats posed by climate and land-use change, an improved understanding of how this extraordinary biodiversity is spatially organized is urgently ... ...

Abstract	The forests of Amazonia are among the most biodiverse plant communities on Earth. Given the immediate threats posed by climate and land-use change, an improved understanding of how this extraordinary biodiversity is spatially organized is urgently required to develop effective conservation strategies. Most Amazonian tree species are extremely rare but a few are common across the region. Indeed, just 227 'hyperdominant' species account for >50% of all individuals >10 cm diameter at 1.3 m in height. Yet, the degree to which the phenomenon of hyperdominance is sensitive to tree size, the extent to which the composition of dominant species changes with size class and how evolutionary history constrains tree hyperdominance, all remain unknown. Here, we use a large floristic dataset to show that, while hyperdominance is a universal phenomenon across forest strata, different species dominate the forest understory, midstory and canopy. We further find that, although species belonging to a range of phylogenetically dispersed lineages have become hyperdominant in small size classes, hyperdominants in large size classes are restricted to a few lineages. Our results demonstrate that it is essential to consider all forest strata to understand regional patterns of dominance and composition in Amazonia. More generally, through the lens of 654 hyperdominant species, we outline a tractable pathway for understanding the functioning of half of Amazonian forests across vertical strata and geographical locations.
MeSH term(s)	Biodiversity ; Brazil ; Forests ; Humans ; Trees
Language	English
Publishing date	2021-04-01
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	2397-334X
ISSN (online)	2397-334X
DOI	10.1038/s41559-021-01418-y
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Article ; Online: Author Correction

Esquivel-Muelbert, Adriane / Phillips, Oliver L. / Brienen, Roel J.W. / Fauset, Sophie / Sullivan, Martin J.P. / Baker, Timothy R. / Chao, Kuo Jung / Feldpausch, Ted R. / Gloor, Emanuel / Higuchi, Niro / Houwing-Duistermaat, Jeanne / Lloyd, Jon / Liu, Haiyan / Malhi, Yadvinder / Marimon, Beatriz / Marimon Junior, Ben Hur / Monteagudo-Mendoza, Abel / Poorter, Lourens / Silveira, Marcos /

Torre, Emilio Vilanova / Dávila, Esteban Alvarez / del Aguila Pasquel, Jhon / Almeida, Everton / Loayza, Patricia Alvarez / Andrade, Ana / Aragão, Luiz E.O.C. / Araujo-Murakami, Alejandro / Arets, Eric / Arroyo, Luzmila / Aymard C, Gerardo A. / Baisie, Michel / Baraloto, Christopher / Camargo, Plínio Barbosa / Barroso, Jorcely / Blanc, Lilian / Bonal, Damien / Bongers, Frans / Boot, René / Brown, Foster / Burban, Benoit / Camargo, José Luís / Castro, Wendeson / Moscoso, Victor Chama / Chave, Jerome / Comiskey, James / Valverde, Fernando Cornejo / da Costa, Antonio Lola / Cardozo, Nallaret Davila / Di Fiore, Anthony / Dourdain, Aurélie / Erwin, Terry / Llampazo, Gerardo Flores / Vieira, Ima Célia Guimarães / Herrera, Rafael / Honorio Coronado, Eurídice / Huamantupa-Chuquimaco, Isau / Jimenez-Rojas, Eliana / Killeen, Timothy / Laurance, Susan / Laurance, William / Levesley, Aurora / Lewis, Simon L. / Ladvocat, Karina Liana Lisboa Melgaço / Lopez-Gonzalez, Gabriela / Lovejoy, Thomas / Meir, Patrick / Mendoza, Casimiro / Morandi, Paulo / Neill, David / Nogueira Lima, Adriano José / Vargas, Percy Nuñez / de Oliveira, Edmar Almeida / Camacho, Nadir Pallqui / Pardo, Guido / Peacock, Julie / Peña-Claros, Marielos / Peñuela-Mora, Maria Cristina / Pickavance, Georgia / Pipoly, John / Pitman, Nigel / Prieto, Adriana / Pugh, Thomas A.M. / Quesada, Carlos / Ramirez-Angulo, Hirma / de Almeida Reis, Simone Matias / Rejou-Machain, Maxime / Correa, Zorayda Restrepo / Bayona, Lily Rodriguez / Rudas, Agustín / Salomão, Rafael / Serrano, Julio / Espejo, Javier Silva / Silva, Natalino / Singh, James / Stahl, Clement / Stropp, Juliana / Swamy, Varun / Talbot, Joey / ter Steege, Hans / Terborgh, John / Thomas, Raquel / Toledo, Marisol / Torres-Lezama, Armando / Gamarra, Luis Valenzuela / van der Heijden, Geertje / van der Meer, Peter / van der Hout, Peter / Martinez, Rodolfo Vasquez / Vieira, Simone Aparecida / Cayo, Jeanneth Villalobos / Vos, Vincent / Zagt, Roderick / Zuidema, Pieter / Galbraith, David

Nature Communications

Tree mode of death and mortality risk factors across Amazon forests

2021 Volume 12, Issue 1

Abstract: The original version of this Article contained an error in Table 2, where the number of individuals in the “All Amazonia” row was reported as 11,6431 instead of 116,431. Also, the original version of this Article contained an error in the Methods, where ... ...

Abstract	The original version of this Article contained an error in Table 2, where the number of individuals in the “All Amazonia” row was reported as 11,6431 instead of 116,431. Also, the original version of this Article contained an error in the Methods, where the R2 for the proportion of broken/uprooted dead trees increase per year was reported as 0.12, the correct value being 0.06. The original version of this Article contained errors in the author affiliations. The affiliation of Gerardo A. Aymard C. with UNELLEZGuanare, Herbario Universitario (PORT), Portuguesa, Venezuela Compensation International Progress S.A. Ciprogress–Greenlife.
Keywords	Life Science
Language	English
Publishing country	nl
Document type	Article ; Online
ZDB-ID	2553671-0
ISSN	2041-1723
ISSN	2041-1723
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Variation in stem mortality rates determines patterns of above‐ground biomass in Amazonian forests: implications for dynamic global vegetation models

Johnson, Michelle O / Galbraith, David / Gloor, Manuel / De Deurwaerder, Hannes / Guimberteau, Matthieu / Rammig, Anja / Thonicke, Kirsten / Verbeeck, Hans / von Randow, Celso / Monteagudo, Abel / Phillips, Oliver L / Brienen, Roel J. W / Feldpausch, Ted R / Lopez Gonzalez, Gabriela / Fauset, Sophie / Quesada, Carlos A / Christoffersen, Bradley / Ciais, Philippe / Sampaio, Gilvan /

Kruijt, Bart / Meir, Patrick / Moorcroft, Paul / Zhang, Ke / Alvarez‐Davila, Esteban / Alves de Oliveira, Atila / Amaral, Ieda / Andrade, Ana / Aragao, Luiz E. O. C / Araujo‐Murakami, Alejandro / Arets, Eric J. M. M / Arroyo, Luzmila / Aymard, Gerardo A / Baraloto, Christopher / Barroso, Jocely / Bonal, Damien / Boot, Rene / Camargo, Jose / Chave, Jerome / Cogollo, Alvaro / Cornejo Valverde, Fernando / Lola da Costa, Antonio C / Di Fiore, Anthony / Ferreira, Leandro / Higuchi, Niro / Honorio, Euridice N / Killeen, Tim J / Laurance, Susan G / Laurance, William F / Licona, Juan / Lovejoy, Thomas / Malhi, Yadvinder / Marimon, Bia / Marimon, Ben Hur, Junior / Matos, Darley C. L / Mendoza, Casimiro / Neill, David A / Pardo, Guido / Peña‐Claros, Marielos / Pitman, Nigel C. A / Poorter, Lourens / Prieto, Adriana / Ramirez‐Angulo, Hirma / Roopsind, Anand / Rudas, Agustin / Salomao, Rafael P / Silveira, Marcos / Stropp, Juliana / ter Steege, Hans / Terborgh, John / Thomas, Raquel / Toledo, Marisol / Torres‐Lezama, Armando / van der Heijden, Geertje M. F / Vasquez, Rodolfo / Guimarães Vieira, Ima Cèlia / Vilanova, Emilio / Vos, Vincent A / Baker, Timothy R

Global change biology. 2016 Dec., v. 22, no. 12

2016

Abstract: Understanding the processes that determine above‐ground biomass (AGB) in Amazonian forests is important for predicting the sensitivity of these ecosystems to environmental change and for designing and evaluating dynamic global vegetation models (DGVMs). ... ...

Abstract	Understanding the processes that determine above‐ground biomass (AGB) in Amazonian forests is important for predicting the sensitivity of these ecosystems to environmental change and for designing and evaluating dynamic global vegetation models (DGVMs). AGB is determined by inputs from woody productivity [woody net primary productivity (NPP)] and the rate at which carbon is lost through tree mortality. Here, we test whether two direct metrics of tree mortality (the absolute rate of woody biomass loss and the rate of stem mortality) and/or woody NPP, control variation in AGB among 167 plots in intact forest across Amazonia. We then compare these relationships and the observed variation in AGB and woody NPP with the predictions of four DGVMs. The observations show that stem mortality rates, rather than absolute rates of woody biomass loss, are the most important predictor of AGB, which is consistent with the importance of stand size structure for determining spatial variation in AGB. The relationship between stem mortality rates and AGB varies among different regions of Amazonia, indicating that variation in wood density and height/diameter relationships also influences AGB. In contrast to previous findings, we find that woody NPP is not correlated with stem mortality rates and is weakly positively correlated with AGB. Across the four models, basin‐wide average AGB is similar to the mean of the observations. However, the models consistently overestimate woody NPP and poorly represent the spatial patterns of both AGB and woody NPP estimated using plot data. In marked contrast to the observations, DGVMs typically show strong positive relationships between woody NPP and AGB. Resolving these differences will require incorporating forest size structure, mechanistic models of stem mortality and variation in functional composition in DGVMs.
Keywords	aboveground biomass ; carbon ; correlation ; ecosystems ; forests ; mechanistic models ; mortality ; prediction ; primary productivity ; tree mortality ; wood density ; Amazonia
Language	English
Dates of publication	2016-12
Size	p. 3996-4013.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	1281439-8
ISSN	1365-2486 ; 1354-1013
ISSN (online)	1365-2486
ISSN	1354-1013
DOI	10.1111/gcb.13315
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Variation in stem mortality rates determines patterns of above-ground biomass in Amazonian forests: implications for dynamic global vegetation models.

Johnson, Michelle O / Galbraith, David / Gloor, Manuel / De Deurwaerder, Hannes / Guimberteau, Matthieu / Rammig, Anja / Thonicke, Kirsten / Verbeeck, Hans / von Randow, Celso / Monteagudo, Abel / Phillips, Oliver L / Brienen, Roel J W / Feldpausch, Ted R / Lopez Gonzalez, Gabriela / Fauset, Sophie / Quesada, Carlos A / Christoffersen, Bradley / Ciais, Philippe / Sampaio, Gilvan /

Kruijt, Bart / Meir, Patrick / Moorcroft, Paul / Zhang, Ke / Alvarez-Davila, Esteban / Alves de Oliveira, Atila / Amaral, Ieda / Andrade, Ana / Aragao, Luiz E O C / Araujo-Murakami, Alejandro / Arets, Eric J M M / Arroyo, Luzmila / Aymard, Gerardo A / Baraloto, Christopher / Barroso, Jocely / Bonal, Damien / Boot, Rene / Camargo, Jose / Chave, Jerome / Cogollo, Alvaro / Cornejo Valverde, Fernando / Lola da Costa, Antonio C / Di Fiore, Anthony / Ferreira, Leandro / Higuchi, Niro / Honorio, Euridice N / Killeen, Tim J / Laurance, Susan G / Laurance, William F / Licona, Juan / Lovejoy, Thomas / Malhi, Yadvinder / Marimon, Bia / Marimon, Ben Hur / Matos, Darley C L / Mendoza, Casimiro / Neill, David A / Pardo, Guido / Peña-Claros, Marielos / Pitman, Nigel C A / Poorter, Lourens / Prieto, Adriana / Ramirez-Angulo, Hirma / Roopsind, Anand / Rudas, Agustin / Salomao, Rafael P / Silveira, Marcos / Stropp, Juliana / Ter Steege, Hans / Terborgh, John / Thomas, Raquel / Toledo, Marisol / Torres-Lezama, Armando / van der Heijden, Geertje M F / Vasquez, Rodolfo / Guimarães Vieira, Ima Cèlia / Vilanova, Emilio / Vos, Vincent A / Baker, Timothy R

Global change biology

2016 Volume 22, Issue 12, Page(s) 3996–4013

Abstract: Understanding the processes that determine above-ground biomass (AGB) in Amazonian forests is important for predicting the sensitivity of these ecosystems to environmental change and for designing and evaluating dynamic global vegetation models (DGVMs). ... ...

Abstract	Understanding the processes that determine above-ground biomass (AGB) in Amazonian forests is important for predicting the sensitivity of these ecosystems to environmental change and for designing and evaluating dynamic global vegetation models (DGVMs). AGB is determined by inputs from woody productivity [woody net primary productivity (NPP)] and the rate at which carbon is lost through tree mortality. Here, we test whether two direct metrics of tree mortality (the absolute rate of woody biomass loss and the rate of stem mortality) and/or woody NPP, control variation in AGB among 167 plots in intact forest across Amazonia. We then compare these relationships and the observed variation in AGB and woody NPP with the predictions of four DGVMs. The observations show that stem mortality rates, rather than absolute rates of woody biomass loss, are the most important predictor of AGB, which is consistent with the importance of stand size structure for determining spatial variation in AGB. The relationship between stem mortality rates and AGB varies among different regions of Amazonia, indicating that variation in wood density and height/diameter relationships also influences AGB. In contrast to previous findings, we find that woody NPP is not correlated with stem mortality rates and is weakly positively correlated with AGB. Across the four models, basin-wide average AGB is similar to the mean of the observations. However, the models consistently overestimate woody NPP and poorly represent the spatial patterns of both AGB and woody NPP estimated using plot data. In marked contrast to the observations, DGVMs typically show strong positive relationships between woody NPP and AGB. Resolving these differences will require incorporating forest size structure, mechanistic models of stem mortality and variation in functional composition in DGVMs.
MeSH term(s)	Biomass ; Forests ; Models, Theoretical ; South America ; Trees/growth & development ; Tropical Climate
Language	English
Publishing date	2016-05-19
Publishing country	England
Document type	Journal Article
ZDB-ID	1281439-8
ISSN	1365-2486 ; 1354-1013
ISSN (online)	1365-2486
ISSN	1354-1013
DOI	10.1111/gcb.13315
Database	MEDical Literature Analysis and Retrieval System OnLINE

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