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3. Patterns of tropical forest understory temperatures

Author

Ismaeel, Ali, Tai, Amos P. K., Santos, Erone Ghizoni, Maraia, Heveakore, Aalto, Iris, Altman, Jan, Doležal, Jiří, Lembrechts, Jonas J., Camargo, José Luís, Aalto, Juha, Sam, Kateřina, Avelino do Nascimento, Lair Cristina, Kopecký, Martin, Svátek, Martin, Nunes, Matheus Henrique, Matula, Radim, Plichta, Roman, Abera, Temesgen, and Maeda, Eduardo Eiji

Published
2024
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11. Land use still matters after deforestation

Author

Maeda, Eduardo Eiji, Aragão, Luiz E. O. C., Baker, Jessica C. A., Balbino, Luiz Carlos, de Moura, Yhasmin Mendes, Nobre, Antônio Donato, Nunes, Matheus Henrique, Silva Junior, Celso H. L., and dos Reis, Júlio César

Published
2023
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17. Microclimate, an important part of ecology and biogeography

Author

Kemppinen, Julia, primary, Lembrechts, Jonas J., additional, Van Meerbeek, Koenraad, additional, Carnicer, Jofre, additional, Chardon, Nathalie Isabelle, additional, Kardol, Paul, additional, Lenoir, Jonathan, additional, Liu, Daijun, additional, Maclean, Ilya, additional, Pergl, Jan, additional, Saccone, Patrick, additional, Senior, Rebecca A., additional, Shen, Ting, additional, Słowińska, Sandra, additional, Vandvik, Vigdis, additional, von Oppen, Jonathan, additional, Aalto, Juha, additional, Ayalew, Biruk, additional, Bates, Olivia, additional, Bertelsmeier, Cleo, additional, Bertrand, Romain, additional, Beugnon, Rémy, additional, Borderieux, Jeremy, additional, Brůna, Josef, additional, Buckley, Lauren, additional, Bujan, Jelena, additional, Casanova‐Katny, Angelica, additional, Christiansen, Ditte Marie, additional, Collart, Flavien, additional, De Lombaerde, Emiel, additional, De Pauw, Karen, additional, Depauw, Leen, additional, Di Musciano, Michele, additional, Díaz Borrego, Raquel, additional, Díaz‐Calafat, Joan, additional, Ellis‐Soto, Diego, additional, Esteban, Raquel, additional, de Jong, Geerte Fälthammar, additional, Gallois, Elise, additional, Garcia, Maria Begoña, additional, Gillerot, Loïc, additional, Greiser, Caroline, additional, Gril, Eva, additional, Haesen, Stef, additional, Hampe, Arndt, additional, Hedwall, Per‐Ola, additional, Hes, Gabriel, additional, Hespanhol, Helena, additional, Hoffrén, Raúl, additional, Hylander, Kristoffer, additional, Jiménez‐Alfaro, Borja, additional, Jucker, Tommaso, additional, Klinges, David, additional, Kolstela, Joonas, additional, Kopecký, Martin, additional, Kovács, Bence, additional, Maeda, Eduardo Eiji, additional, Máliš, František, additional, Man, Matěj, additional, Mathiak, Corrie, additional, Meineri, Eric, additional, Naujokaitis‐Lewis, Ilona, additional, Nijs, Ivan, additional, Normand, Signe, additional, Nuñez, Martin, additional, Orczewska, Anna, additional, Peña‐Aguilera, Pablo, additional, Pincebourde, Sylvain, additional, Plichta, Roman, additional, Quick, Susan, additional, Renault, David, additional, Ricci, Lorenzo, additional, Rissanen, Tuuli, additional, Segura‐Hernández, Laura, additional, Selvi, Federico, additional, Serra‐Diaz, Josep M., additional, Soifer, Lydia, additional, Spicher, Fabien, additional, Svenning, Jens‐Christian, additional, Tamian, Anouch, additional, Thomaes, Arno, additional, Thoonen, Marijke, additional, Trew, Brittany, additional, Van de Vondel, Stijn, additional, van den Brink, Liesbeth, additional, Vangansbeke, Pieter, additional, Verdonck, Sanne, additional, Vitkova, Michaela, additional, Vives‐Ingla, Maria, additional, von Schmalensee, Loke, additional, Wang, Runxi, additional, Wild, Jan, additional, Williamson, Joseph, additional, Zellweger, Florian, additional, Zhou, Xiaqu, additional, Zuza, Emmanuel Junior, additional, and De Frenne, Pieter, additional

Published
2024
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19. New tree height allometries derived from terrestrial laser scanning reveal substantial discrepancies with forest inventory methods in tropical rainforests

Author

Terryn, Louise, Calders, Kim, Meunier, Félicien, Bauters, Marijn, Boeckx, Pascal, Brede, Benjamin, Burt, Andrew, Chave, Jerome, da Costa, Antonio Carlos Lola, D'hont, Barbara, Disney, Mathias, Jucker, Tommaso, Lau, Alvaro, Laurance, Susan G.W., Maeda, Eduardo Eiji, Meir, Patrick, Krishna Moorthy, Sruthi M., Nunes, Matheus Henrique, Shenkin, Alexander, Sibret, Thomas, Verhelst, Tom E., Wilkes, Phil, Verbeeck, Hans, Terryn, Louise, Calders, Kim, Meunier, Félicien, Bauters, Marijn, Boeckx, Pascal, Brede, Benjamin, Burt, Andrew, Chave, Jerome, da Costa, Antonio Carlos Lola, D'hont, Barbara, Disney, Mathias, Jucker, Tommaso, Lau, Alvaro, Laurance, Susan G.W., Maeda, Eduardo Eiji, Meir, Patrick, Krishna Moorthy, Sruthi M., Nunes, Matheus Henrique, Shenkin, Alexander, Sibret, Thomas, Verhelst, Tom E., Wilkes, Phil, and Verbeeck, Hans

Abstract

Tree allometric models, essential for monitoring and predicting terrestrial carbon stocks, are traditionally built on global databases with forest inventory measurements of stem diameter (D) and tree height (H). However, these databases often combine H measurements obtained through various measurement methods, each with distinct error patterns, affecting the resulting H:D allometries. In recent decades, terrestrial laser scanning (TLS) has emerged as a widely accepted method for accurate, non-destructive tree structural measurements. This study used TLS data to evaluate the prediction accuracy of forest inventory-based H:D allometries and to develop more accurate pantropical allometries. We considered 19 tropical rainforest plots across four continents. Eleven plots had forest inventory and RIEGL VZ-400(i) TLS-based D and H data, allowing accuracy assessment of local forest inventory-based H:D allometries. Additionally, TLS-based data from 1951 trees from all 19 plots were used to create new pantropical H:D allometries for tropical rainforests. Our findings reveal that in most plots, forest inventory-based H:D allometries underestimated H compared with TLS-based allometries. For 30-metre-tall trees, these underestimations varied from −1.6 m (−5.3%) to −7.5 m (−25.4%). In the Malaysian plot with trees reaching up to 77 m in height, the underestimation was as much as −31.7 m (−41.3%). We propose a TLS-based pantropical H:D allometry, incorporating maximum climatological water deficit for site effects, with a mean uncertainty of 19.1% and a mean bias of −4.8%. While the mean uncertainty is roughly 2.3% greater than that of the Chave2014 model, this model demonstrates more consistent uncertainties across tree size and delivers less biased estimates of H (with a reduction of 8.23%). In summary, recognizing the errors in H measurements from forest inventory methods is vital, as they can propagate into the allometries they inform. This study underscores the potential of TL

Published
2024

20. Microclimate, an important part of ecology and biogeography

Author

Kemppinen, Julia, Lembrechts, Jonas J., Van Meerbeek, Koenraad, Carnicer, Jofre, Chardon, Nathalie Isabelle, Kardol, Paul, Lenoir, Jonathan, Liu, Daijun, Maclean, Ilya, Pergl, Jan, Saccone, Patrick, Senior, Rebecca A., Shen, Ting, Słowińska, Sandra, Vandvik, Vigdis, von Oppen, Jonathan, Aalto, Juha, Ayalew, Biruk, Bates, Olivia, Bertelsmeier, Cleo, Bertrand, Romain, Beugnon, Rémy, Borderieux, Jeremy, Brůna, Josef, Buckley, Lauren, Bujan, Jelena, Casanova-Katny, Angelica, Christiansen, Ditte Marie, Collart, Flavien, De Lombaerde, Emiel, De Pauw, Karen, Depauw, Leen, Di Musciano, Michele, Díaz Borrego, Raquel, Díaz-Calafat, Joan, Ellis-Soto, Diego, Esteban, Raquel, de Jong, Geerte Fälthammar, Gallois, Elise, Garcia, Maria Begoña, Gillerot, Loïc, Greiser, Caroline, Gril, Eva, Haesen, Stef, Hampe, Arndt, Hedwall, Per Ola, Hes, Gabriel, Hespanhol, Helena, Hoffrén, Raúl, Hylander, Kristoffer, Jiménez-Alfaro, Borja, Jucker, Tommaso, Klinges, David, Kolstela, Joonas, Kopecký, Martin, Kovács, Bence, Maeda, Eduardo Eiji, Máliš, František, Man, Matěj, Mathiak, Corrie, Meineri, Eric, Naujokaitis-Lewis, Ilona, Nijs, Ivan, Normand, Signe, Nuñez, Martin, Orczewska, Anna, Peña-Aguilera, Pablo, Pincebourde, Sylvain, Plichta, Roman, Quick, Susan, Renault, David, Ricci, Lorenzo, Rissanen, Tuuli, Segura-Hernández, Laura, Selvi, Federico, Serra-Diaz, Josep M., Soifer, Lydia, Spicher, Fabien, Svenning, Jens Christian, Tamian, Anouch, Thomaes, Arno, Thoonen, Marijke, Trew, Brittany, Van de Vondel, Stijn, van den Brink, Liesbeth, Vangansbeke, Pieter, Verdonck, Sanne, Vitkova, Michaela, Vives-Ingla, Maria, von Schmalensee, Loke, Wang, Runxi, Wild, Jan, Williamson, Joseph, Zellweger, Florian, Zhou, Xiaqu, Zuza, Emmanuel Junior, De Frenne, Pieter, Kemppinen, Julia, Lembrechts, Jonas J., Van Meerbeek, Koenraad, Carnicer, Jofre, Chardon, Nathalie Isabelle, Kardol, Paul, Lenoir, Jonathan, Liu, Daijun, Maclean, Ilya, Pergl, Jan, Saccone, Patrick, Senior, Rebecca A., Shen, Ting, Słowińska, Sandra, Vandvik, Vigdis, von Oppen, Jonathan, Aalto, Juha, Ayalew, Biruk, Bates, Olivia, Bertelsmeier, Cleo, Bertrand, Romain, Beugnon, Rémy, Borderieux, Jeremy, Brůna, Josef, Buckley, Lauren, Bujan, Jelena, Casanova-Katny, Angelica, Christiansen, Ditte Marie, Collart, Flavien, De Lombaerde, Emiel, De Pauw, Karen, Depauw, Leen, Di Musciano, Michele, Díaz Borrego, Raquel, Díaz-Calafat, Joan, Ellis-Soto, Diego, Esteban, Raquel, de Jong, Geerte Fälthammar, Gallois, Elise, Garcia, Maria Begoña, Gillerot, Loïc, Greiser, Caroline, Gril, Eva, Haesen, Stef, Hampe, Arndt, Hedwall, Per Ola, Hes, Gabriel, Hespanhol, Helena, Hoffrén, Raúl, Hylander, Kristoffer, Jiménez-Alfaro, Borja, Jucker, Tommaso, Klinges, David, Kolstela, Joonas, Kopecký, Martin, Kovács, Bence, Maeda, Eduardo Eiji, Máliš, František, Man, Matěj, Mathiak, Corrie, Meineri, Eric, Naujokaitis-Lewis, Ilona, Nijs, Ivan, Normand, Signe, Nuñez, Martin, Orczewska, Anna, Peña-Aguilera, Pablo, Pincebourde, Sylvain, Plichta, Roman, Quick, Susan, Renault, David, Ricci, Lorenzo, Rissanen, Tuuli, Segura-Hernández, Laura, Selvi, Federico, Serra-Diaz, Josep M., Soifer, Lydia, Spicher, Fabien, Svenning, Jens Christian, Tamian, Anouch, Thomaes, Arno, Thoonen, Marijke, Trew, Brittany, Van de Vondel, Stijn, van den Brink, Liesbeth, Vangansbeke, Pieter, Verdonck, Sanne, Vitkova, Michaela, Vives-Ingla, Maria, von Schmalensee, Loke, Wang, Runxi, Wild, Jan, Williamson, Joseph, Zellweger, Florian, Zhou, Xiaqu, Zuza, Emmanuel Junior, and De Frenne, Pieter

Abstract

Brief introduction: What are microclimates and why are they important?: Microclimate science has developed into a global discipline. Microclimate science is increasingly used to understand and mitigate climate and biodiversity shifts. Here, we provide an overview of the current status of microclimate ecology and biogeography in terrestrial ecosystems, and where this field is heading next. Microclimate investigations in ecology and biogeography: We highlight the latest research on interactions between microclimates and organisms, including how microclimates influence individuals, and through them populations, communities and entire ecosystems and their processes. We also briefly discuss recent research on how organisms shape microclimates from the tropics to the poles. Microclimate applications in ecosystem management: Microclimates are also important in ecosystem management under climate change. We showcase new research in microclimate management with examples from biodiversity conservation, forestry and urban ecology. We discuss the importance of microrefugia in conservation and how to promote microclimate heterogeneity. Methods for microclimate science: We showcase the recent advances in data acquisition, such as novel field sensors and remote sensing methods. We discuss microclimate modelling, mapping and data processing, including accessibility of modelling tools, advantages of mechanistic and statistical modelling and solutions for computational challenges that have pushed the state-of-the-art of the field. What's next?: We identify major knowledge gaps that need to be filled for further advancing microclimate investigations, applications and methods. These gaps include spatiotemporal scaling of microclimate data, mismatches between macroclimate and microclimate in predicting responses of organisms to climate change, and the need for more evidence on the outcomes of microclimate management.

Published
2024

21. Disruption of hydroecological equilibrium in southwest Amazon mediated by drought

Author

Maeda, Eduardo Eiji, Kim, Hyungjun, Aragão, Luiz EOC, Famiglietti, James S, and Oki, Taikan

Subjects
GRACE, QSCAT, drought, water deficit, Amazon, Meteorology & Atmospheric Sciences
Abstract

© 2015. American Geophysical Union. All Rights Reserved. The impacts of droughts on the Amazon ecosystem have been broadly discussed in recent years, but a comprehensive understanding of the consequences is still missing. In this study, we show evidence of a fragile hydrological equilibrium in the western Amazon. While drainage systems located near the equator and the western Amazon do not show water deficit in years with average climate conditions, this equilibrium can be broken during drought events. More importantly, we show that this effect is persistent, taking years until the normal hydrological patterns are reestablished. We show clear links between persistent changes in forest canopy structure and changes in hydrological patterns, revealing physical evidence of hydrological mechanisms that may lead to permanent changes in parts of the Amazon ecosystem. If prospects of increasing drought frequency are confirmed, a change in the current hydroecological patterns in the western Amazon could take place in less than a decade.

Published
2015

29. Elevation Regulates the Response of Climate Heterogeneity to Climate Change.

Author

Guan, Yanlong, Liu, Junguo, Cui, Wenhui, Chen, Deliang, Zhang, Jiankai, Lu, Hongwei, Maeda, Eduardo Eiji, Zeng, Zhenzhong, and Beck, Hylke E.

Subjects
EFFECT of human beings on climate change, CLIMATIC zones, KOPPEN climate classification, HETEROGENEITY, GLOBAL warming, CLIMATE change
Abstract

Climate change represents a profound threat to the diversity and stability of global climate zones. However, the complex interplay between climate change and elevation in shaping climate heterogeneity is not yet fully understood. Here, we combine Shannon's diversity index (SHDI) with the Köppen‐Geiger climate classification to explore the altitudinal distributions of global climate heterogeneity; and their responses to climate change. The study reveals a distinctive pattern: SHDI, a proxy for climate heterogeneity tends to slow down or decline at lower elevations with increasing temperatures, while at higher elevations, it continues to rise due to continuing cold conditions. Examination of climate simulations, both with and without anthropogenic forcing, confirms that observed changes in climate heterogeneity are primarily attributable to anthropogenic climate change within these high‐elevation regions. This study underscores the importance of high‐elevation regions as not only custodians of diverse climate types but also potential refuges for species fleeing warmer climates. Plain Language Summary: Climate change is threatening the diversity and stability of global climate patterns. But we're still not completely sure how climate change interacts with elevation to affect climate heterogeneity. In this study, we looked at how climate heterogeneity changes with altitude and responds to climate change. We found that as temperatures rise, the climate diversity tends to decrease at lower elevations, but it increases at higher elevations. We used climate simulations to show that these changes can be attributed to anthropogenic climate change. This study shows that high‐elevation regions are important because they can sustain diverse climates and are likely to be a safe haven for plants and animals when climate diversity continues to decline at lower elevations. Key Points: We employed a high‐resolution climate data set to analyze changes in global climate heterogeneityWith increasing temperatures, global climate heterogeneity amplifies at higher elevations, while diminishing at lower altitudesAnthropogenic climate change primarily drives alterations in climate heterogeneity at higher elevations [ABSTRACT FROM AUTHOR]

Published
2024
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35. Microclimate, an inseparable part of ecology and biogeography

Author

Kemppinen, Julia, Lembrechts, Jonas J, Van Meerbeek, Koenraad, Carnicer, Jofre, Chardon, Nathalie Isabelle, Kardol, Paul, Lenoir, Jonathan, Liu, Daijun, Maclean, Ilya, Pergl, Jan, Saccone, Patrick, Senior, Rebecca A., Shen, Ting, Słowińska, Sandra, Vandvik, Vigdis, von Oppen, Jonathan, Aalto, Juha, Ayalew, Biruk, Bates, Olivia, Bertelsmeier, Cleo, Bertrand, Romain, Beugnon, Rémy, Borderieux, Jeremy, Brůna, Josef, Buckley, Lauren, Bujan, Jelena, Casanova-Katny, Angelica, Christiansen, Ditte Marie, Collart, Flavien, De Lombaerde, Emiel, De Pauw, Karen, Depauw, Leen, Di Musciano, Michele, Díaz Borrego, Raquel, Díaz-Calafat, Joan, Ellis-Soto, Diego, Esteban, Raquel, Fälthammar de Jong, Geerte, Gallois, Elise, Garcia, Maria Begoña, Gillerot, Loïc, Greiser, Caroline, Gril, Eva, Haesen, Stef, Hampe, Arndt, Hedwall, Per-Ola, Hes, Gabriel, Hespanhol, Helena, Hoffrén, Raúl, Hylander, Kristoffer, Jiménez-Alfaro, Borja, Jucker, Tommaso, Klinges, David, Kolstela, Joonas, Kopecký, Martin, Kovács, Bence, Maeda, Eduardo Eiji, Máliš, František, Man, Matěj, Mathiak, Corrie, Meineri, Eric, Naujokaitis-Lewis, Ilona, Nijs, Ivan, Normand, Signe, Nuñez, Martin, Orczewska, Anna, Peña-Aguilera, Pablo, Pincebourde, Sylvain, Plichta, Roman, Quick, Susan, Renault, David, Ricci, Lorenzo, Rissanen, Tuuli, Segura-Hernández, Laura, Selvi, Federico, Serra-Diaz, Josep M, Soifer, Lydia, Spicher, Fabien, Svenning, Jens-Christian, Tamian, Anouch, Thomaes, Arno, Thoonen, Marijke, Trew, Brittany, Van de Vondel, Stijn, van den Brink, Liesbeth, Vangansbeke, Pieter, Verdonck, Sanne, Vitkova, Michaela, Vives-Ingla, Maria, von Schmalensee, Loke, Wang, Runxi, Wild, Jan, Williamson, Joseph, Zellweger, Florian, Zhou, Xiaqu, Zuza, Emmanuel Junior, and De Frenne, Pieter

Abstract

Microclimate science has developed into a global discipline. Microclimate science is increasingly used to understand and mitigate climate and biodiversity shifts. Here, we provide an overview of the current status of microclimate ecology and biogeography, and where this field is heading next. We showcase the recent advances in data acquisition, such as novel field sensors and remote sensing methods. We discuss microclimate modelling, mapping, and data processing, including accessibility of modelling tools, advantages of mechanistic and statistical modelling, and solutions for computational challenges that have pushed the state-of-the-art of the field. We highlight the latest research on interactions between microclimate and organisms, including how microclimate influences individuals, and through them populations, communities, and entire ecosystems and their processes. We also briefly discuss recent research on how organisms shape microclimate from the tropics to the poles. Microclimates are also important in ecosystem management under climate change. We showcase new research in microclimate management with examples from biodiversity conservation, forestry, and urban ecology. We discuss the importance of microrefugia in conservation and how to promote microclimate heterogeneity. We identify major knowledge gaps that need to be filled for further advancing microclimate methods, investigations, and applications. These gaps include spatiotemporal scaling of microclimate data, mismatches between macroclimate and microclimate in predicting responses of organisms to climate change, and the need for more evidence on the outcomes of microclimate management. Biosketch The authors are participants of the Microclimate Ecology and Biogeography conference held in Antwerp, Belgium in 2022. Together they collaboratively wrote this perspective paper that brings together 97 experts and their views on the recent advancements and knowledge gaps in terrestrial microclimate. The paper was coordinated by Julia Kemppinen, Jonas Lembrechts, Koenraad Van Meerbeek, and Pieter De Frenne, and writing different sections was led by Jofre Carnicer, Nathalie Chardon, Paul Kardol, Jonathan Lenoir, Daijun Liu, Ilya Maclean, Jan Pergl, Patrick Saccone, Rebecca Senior, Ting Shen, Sandra Słowińska, Vigdis Vandvik, and Jonathan von Oppen. For more details on authors statistics and how the work was organised, please see Supplementary information Figures S1-3.

Published
2023
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