Unprecedented mortality induced by extreme hot-drought in commercial planted Pinus spp stands is locally modulated by soil characteristics
Increased tree mortality associated with hotter-drought events has rarely been recorded in mature (>10 years old) commercial plantations. However, we report a recent (2021–2022 warm season) event of this kind that occurred across the Mesopotamian region of Argentina, South America. We aimed to elucidate the mortality timing, rate, and magnitude associated with environmental and stand characteristics at local scale to determine which conditions make these productive systems more vulnerable to extreme climatic events. Using Sentinel-2 satellite images and field-data we estimated the canopy mortality from November 2021 to October 2022, in Pinus spp afforestations (mainly P. taeda). We found that spatio-temporal heterogeneity in canopy mortality was associated with variation in soil and topographic characteristics, but not in stand age and size. We found that canopy mortality occurs at greater extent, earlier and faster in shallow soils (≤ 0.6 m), while the lowest mortality occurred at depressed and waterlogged areas. Intermediate levels of mortality were observed in deep soils (> 1 m), where relatively higher mortality occurred in areas with shallow water table signs, inhibiting deep root development. Our results suggest that sites allowing a deeper rooting system and/or where soil water availability is expected to be higher and long-lasting could represent areas with low-mortality risk for fast-growing pine plantations.
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Format: | info:ar-repo/semantics/artículo biblioteca |
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Springer
2024-03-14
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Subjects: | Árboles, Mortalidad, Sequía, Disponibilidad del Agua, Suelo, Pinus taeda, Trees, Mortality, Drought, Water Availability, Soil, |
Online Access: | http://hdl.handle.net/20.500.12123/17388 https://link.springer.com/article/10.1007/s11056-024-10037-x https://doi.org/10.1007/s11056-024-10037-x |
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Árboles Mortalidad Sequía Disponibilidad del Agua Suelo Pinus taeda Trees Mortality Drought Water Availability Soil Árboles Mortalidad Sequía Disponibilidad del Agua Suelo Pinus taeda Trees Mortality Drought Water Availability Soil |
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Árboles Mortalidad Sequía Disponibilidad del Agua Suelo Pinus taeda Trees Mortality Drought Water Availability Soil Árboles Mortalidad Sequía Disponibilidad del Agua Suelo Pinus taeda Trees Mortality Drought Water Availability Soil Gatica, Mario Gabriel Gyenge, Javier Bulfe, Nardia María Pahr, Norberto Manuel Dalla Tea, Fernando Fernandez, María Elena Unprecedented mortality induced by extreme hot-drought in commercial planted Pinus spp stands is locally modulated by soil characteristics |
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Increased tree mortality associated with hotter-drought events has rarely been recorded in mature (>10 years old) commercial plantations. However, we report a recent (2021–2022 warm season) event of this kind that occurred across the Mesopotamian region of Argentina, South America. We aimed to elucidate the mortality timing, rate, and magnitude associated with environmental and stand characteristics at local scale to determine which conditions make these productive systems more vulnerable to extreme climatic events. Using Sentinel-2 satellite images and field-data we estimated the canopy mortality from November 2021 to October 2022, in Pinus spp afforestations (mainly P. taeda). We found that spatio-temporal heterogeneity in canopy mortality was associated with variation in soil and topographic characteristics, but not in stand age and size. We found that canopy mortality occurs at greater extent, earlier and faster in shallow soils (≤ 0.6 m), while the lowest mortality occurred at depressed and waterlogged areas. Intermediate levels of mortality were observed in deep soils (> 1 m), where relatively higher mortality occurred in areas with shallow water table signs, inhibiting deep root development. Our results suggest that sites allowing a deeper rooting system and/or where soil water availability is expected to be higher and long-lasting could represent areas with low-mortality risk for fast-growing pine plantations. |
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info:ar-repo/semantics/artículo |
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Árboles Mortalidad Sequía Disponibilidad del Agua Suelo Pinus taeda Trees Mortality Drought Water Availability Soil |
author |
Gatica, Mario Gabriel Gyenge, Javier Bulfe, Nardia María Pahr, Norberto Manuel Dalla Tea, Fernando Fernandez, María Elena |
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Gatica, Mario Gabriel Gyenge, Javier Bulfe, Nardia María Pahr, Norberto Manuel Dalla Tea, Fernando Fernandez, María Elena |
author_sort |
Gatica, Mario Gabriel |
title |
Unprecedented mortality induced by extreme hot-drought in commercial planted Pinus spp stands is locally modulated by soil characteristics |
title_short |
Unprecedented mortality induced by extreme hot-drought in commercial planted Pinus spp stands is locally modulated by soil characteristics |
title_full |
Unprecedented mortality induced by extreme hot-drought in commercial planted Pinus spp stands is locally modulated by soil characteristics |
title_fullStr |
Unprecedented mortality induced by extreme hot-drought in commercial planted Pinus spp stands is locally modulated by soil characteristics |
title_full_unstemmed |
Unprecedented mortality induced by extreme hot-drought in commercial planted Pinus spp stands is locally modulated by soil characteristics |
title_sort |
unprecedented mortality induced by extreme hot-drought in commercial planted pinus spp stands is locally modulated by soil characteristics |
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Springer |
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2024-03-14 |
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http://hdl.handle.net/20.500.12123/17388 https://link.springer.com/article/10.1007/s11056-024-10037-x https://doi.org/10.1007/s11056-024-10037-x |
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oai:localhost:20.500.12123-173882024-04-12T11:12:39Z Unprecedented mortality induced by extreme hot-drought in commercial planted Pinus spp stands is locally modulated by soil characteristics Gatica, Mario Gabriel Gyenge, Javier Bulfe, Nardia María Pahr, Norberto Manuel Dalla Tea, Fernando Fernandez, María Elena Árboles Mortalidad Sequía Disponibilidad del Agua Suelo Pinus taeda Trees Mortality Drought Water Availability Soil Increased tree mortality associated with hotter-drought events has rarely been recorded in mature (>10 years old) commercial plantations. However, we report a recent (2021–2022 warm season) event of this kind that occurred across the Mesopotamian region of Argentina, South America. We aimed to elucidate the mortality timing, rate, and magnitude associated with environmental and stand characteristics at local scale to determine which conditions make these productive systems more vulnerable to extreme climatic events. Using Sentinel-2 satellite images and field-data we estimated the canopy mortality from November 2021 to October 2022, in Pinus spp afforestations (mainly P. taeda). We found that spatio-temporal heterogeneity in canopy mortality was associated with variation in soil and topographic characteristics, but not in stand age and size. We found that canopy mortality occurs at greater extent, earlier and faster in shallow soils (≤ 0.6 m), while the lowest mortality occurred at depressed and waterlogged areas. Intermediate levels of mortality were observed in deep soils (> 1 m), where relatively higher mortality occurred in areas with shallow water table signs, inhibiting deep root development. Our results suggest that sites allowing a deeper rooting system and/or where soil water availability is expected to be higher and long-lasting could represent areas with low-mortality risk for fast-growing pine plantations. EEA Balcarce Fil: Gatica, Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Fil: Gatica, Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.Universidad de San Juan. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Fil: Gyenge, Javier. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Fil: Gyenge, Javier. International Associated Laboratory FORESTIA (INTA – INRAe – UNAH); Francia Fil: Bulfe, Nardia María Luján. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Montecarlo; Argentina. Fil: Pahr, Norberto. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Montecarlo; Argentina. Fil: Dalla Tea, Fernando. Forestal Argentina; Argentina Fil: Fernández, María Elena. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Fil: Fernández, María Elena. International Associated Laboratory FORESTIA (INTA – INRAe – UNAH); Francia 2024-04-12T10:42:43Z 2024-04-12T10:42:43Z 2024-03-14 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/17388 https://link.springer.com/article/10.1007/s11056-024-10037-x 0169-4286 (print) 1573-5095 (online) https://doi.org/10.1007/s11056-024-10037-x eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Springer New Forests : 1-15 (Published: 14 March 2024) |