Impact of land use on organic carbon sequestration in a natural area of Medellín, Colombia
This study evaluated soil organic carbon sequestration (SOC) in four vegetation covers (secondary vegetation [VS], forest plantations of Eucalyptus globulus (EUC) and Pinus patula [PIN] and pastures [PAS]), and its correlation with the physicochemical properties of the soil. Soil samples were taken at two depths in the A horizon (0-10 and 10-20 cm). Soil physicochemical variables were measured to evaluate their relationship with changes in SOC sequestration. We found that the highest SOC storage was in horizon A of EUC (100.5 ton C ha−1), followed by PAS (75.55 ton C ha−1), PIN (66.70 ton C ha−1) and SV (56.53 ton C ha−1). The SOC was significantly and positively correlated with the maximum water retention capacity, structural stability index, content of sand, clay, and carbon in humic and fulvic acids. However, SOC was negatively correlated with apparent density, state of aggregation, silt content, pH and CICE. These results suggest that cover change significantly affects SOC sequestration, soil organic matter characteristics, and soil physicochemical properties.
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Universidad Nacional de Colombia - Sede Palmira
2023
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oai:www.revistas.unal.edu.co:article-1013422024-04-03T20:46:06Z Impact of land use on organic carbon sequestration in a natural area of Medellín, Colombia Impacto del uso de suelo sobre el secuestro del carbono orgánico en un área natural de Medellín, Colombia Mondragón Valencia, Víctor Alfonso Moreno Hurtado, Flavio Jaramillo Jaramillo, Daniel Francisco Plant cover soil organic matter soil properties Statistical significance Soil Soil conservation and management cobertura vegetal Materia orgánica del suelo. Propiedades del suelo Significancia estadística Suelo Manejo y conservación de suelos This study evaluated soil organic carbon sequestration (SOC) in four vegetation covers (secondary vegetation [VS], forest plantations of Eucalyptus globulus (EUC) and Pinus patula [PIN] and pastures [PAS]), and its correlation with the physicochemical properties of the soil. Soil samples were taken at two depths in the A horizon (0-10 and 10-20 cm). Soil physicochemical variables were measured to evaluate their relationship with changes in SOC sequestration. We found that the highest SOC storage was in horizon A of EUC (100.5 ton C ha−1), followed by PAS (75.55 ton C ha−1), PIN (66.70 ton C ha−1) and SV (56.53 ton C ha−1). The SOC was significantly and positively correlated with the maximum water retention capacity, structural stability index, content of sand, clay, and carbon in humic and fulvic acids. However, SOC was negatively correlated with apparent density, state of aggregation, silt content, pH and CICE. These results suggest that cover change significantly affects SOC sequestration, soil organic matter characteristics, and soil physicochemical properties. Este estudio evaluó el secuestro de carbono orgánico del suelo (COS) en cuatro coberturas vegetales (vegetación secundaria [VS], plantaciones forestales de Eucalyptus globulus [EUC] y Pinus patula [PIN] y pasturas [PAS]) y su correlación con las propiedades fisicoquímicas del suelo. Se tomaron muestras de suelo a dos profundidades en el horizonte A (0-10 y 10-20 cm). Igualmente, se midieron variables fisicoquímicas del suelo para evaluar su relación con los cambios en el secuestro de COS. Encontramos el mayor almacenamiento de COS en el horizonte A de EUC (100.5 ton C ha−1), seguido por PAS (75.55 ton C ha−1), PIN (66.70 ton C ha−1) y VS (56.53 ton C ha−1). Más aún, el COS se correlacionó positiva y significativamente con la máxima capacidad de retención de agua, índice de estabilidad estructural, contenidos de arena, arcilla y carbono en ácidos húmicos y fúlvicos. Sin embargo, el COS se correlacionó negativamente con la densidad aparente, estado de agregación, contenidos de limo, pH y la CICE. Estos resultados sugieren que el cambio de cobertura afecta significativamente el secuestro de COS, las características de la materia orgánica del suelo y las propiedades fisicoquímicas del suelo. Universidad Nacional de Colombia - Sede Palmira 2023-01-15 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Experimental Experimental application/pdf https://revistas.unal.edu.co/index.php/acta_agronomica/article/view/101342 10.15446/acag.v71n1.101342 Acta Agronómica; Vol. 71 No. 1 (2022); 39-46 Acta Agronómica; Vol. 71 Núm. 1 (2022); 39-46 Acta Agronómica; v. 71 n. 1 (2022); 39-46 2323-0118 0120-2812 spa https://revistas.unal.edu.co/index.php/acta_agronomica/article/view/101342/85686 Antioquia, Colombia Antioquia, Colombia https://creativecommons.org/licenses/by-nc-nd/4.0 |
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Mondragón Valencia, Víctor Alfonso Moreno Hurtado, Flavio Jaramillo Jaramillo, Daniel Francisco |
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Mondragón Valencia, Víctor Alfonso Moreno Hurtado, Flavio Jaramillo Jaramillo, Daniel Francisco Impact of land use on organic carbon sequestration in a natural area of Medellín, Colombia |
author_facet |
Mondragón Valencia, Víctor Alfonso Moreno Hurtado, Flavio Jaramillo Jaramillo, Daniel Francisco |
author_sort |
Mondragón Valencia, Víctor Alfonso |
title |
Impact of land use on organic carbon sequestration in a natural area of Medellín, Colombia |
title_short |
Impact of land use on organic carbon sequestration in a natural area of Medellín, Colombia |
title_full |
Impact of land use on organic carbon sequestration in a natural area of Medellín, Colombia |
title_fullStr |
Impact of land use on organic carbon sequestration in a natural area of Medellín, Colombia |
title_full_unstemmed |
Impact of land use on organic carbon sequestration in a natural area of Medellín, Colombia |
title_sort |
impact of land use on organic carbon sequestration in a natural area of medellín, colombia |
description |
This study evaluated soil organic carbon sequestration (SOC) in four vegetation covers (secondary vegetation [VS], forest plantations of Eucalyptus globulus (EUC) and Pinus patula [PIN] and pastures [PAS]), and its correlation with the physicochemical properties of the soil. Soil samples were taken at two depths in the A horizon (0-10 and 10-20 cm). Soil physicochemical variables were measured to evaluate their relationship with changes in SOC sequestration. We found that the highest SOC storage was in horizon A of EUC (100.5 ton C ha−1), followed by PAS (75.55 ton C ha−1), PIN (66.70 ton C ha−1) and SV (56.53 ton C ha−1). The SOC was significantly and positively correlated with the maximum water retention capacity, structural stability index, content of sand, clay, and carbon in humic and fulvic acids. However, SOC was negatively correlated with apparent density, state of aggregation, silt content, pH and CICE. These results suggest that cover change significantly affects SOC sequestration, soil organic matter characteristics, and soil physicochemical properties. |
publisher |
Universidad Nacional de Colombia - Sede Palmira |
publishDate |
2023 |
url |
https://revistas.unal.edu.co/index.php/acta_agronomica/article/view/101342 |
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