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Understanding soil respiration dynamics in temperate forests in northwestern Mexico

Martínez Rivas, José Alexis [autor] | Vargas Larreta, Benedicto [autor] | López Martínez, Jorge Omar [autor] | Aguirre Calderón, Cristóbal Gerardo [autor] | Hernández, Francisco Javier [autor] | Ángeles Pérez, Gregorio [autor].
Tipo de material: Artículo en línea Artículo en línea Tipo de contenido: texto Tipo de medio: computadora Tipo de portador: recurso en líneaTema(s): Respiración del suelo | Árboles forestales | Bosques templados | Biomasa aérea | Variación temporalTema(s) en inglés: Soil respiration | Forest trees | Temperate forests | Aboveground biomass | Temporal variationDescriptor(es) geográficos: El Salto, Pueblo Nuevo (Durango, México) Nota de acceso: Acceso en línea sin restricciones En: Forests. Volumen 14, número 9, artículo número 1763 (2023), páginas 1-14. --ISSN: 1999-4907Número de sistema: 54404Resumen:
Inglés

Temperate mixed forests in Mexico are considered highly important ecosystems because of their high levels of biodiversity and capacity to store carbon. The aim of this study was to evaluate temporal and between-forest soil respiration (CO2 efflux) variability, and to assess the effect of vegetation diversity metrics on soil CO2 fluxes in mixed-uneven-aged forests in Durango, Northwestern Mexico. Soil CO2 efflux, soil moisture, and soil temperature were measured in three temperate forest types. A generalized linear model (GLM) was fitted to analyze the relationship between soil CO2 fluxes and stand variables, diversity metrics, soil moisture, and soil temperature. Furthermore, a two-way analysis of variance was used to assess the effect of forest type, month of the year, and their interaction on soil respiration. Annual average, minimum, and maximum soil CO2 efflux rate values were 3.81 (±2.94), 2.28 (±1.47), and 7.97 (±2.94) µmol m−² s−¹, respectively. Soil respiration was positively related to species richness, aboveground biomass, and quadratic mean diameter; however, forest type did not contribute to understanding the dynamics of soil CO2 fluxes. The results highlight the importance of seasonality, species diversity and aboveground biomass stocks to preserve the ecosystem processes driving soil respiration in temperate forests.

Recurso en línea: https://doi.org/10.3390/f14091763
Lista(s) en las que aparece este ítem: Producción Rocío Rodiles Hernández | María del Rocío Rodiles Hernández
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Acceso en línea sin restricciones

Temperate mixed forests in Mexico are considered highly important ecosystems because of their high levels of biodiversity and capacity to store carbon. The aim of this study was to evaluate temporal and between-forest soil respiration (CO2 efflux) variability, and to assess the effect of vegetation diversity metrics on soil CO2 fluxes in mixed-uneven-aged forests in Durango, Northwestern Mexico. Soil CO2 efflux, soil moisture, and soil temperature were measured in three temperate forest types. A generalized linear model (GLM) was fitted to analyze the relationship between soil CO2 fluxes and stand variables, diversity metrics, soil moisture, and soil temperature. Furthermore, a two-way analysis of variance was used to assess the effect of forest type, month of the year, and their interaction on soil respiration. Annual average, minimum, and maximum soil CO2 efflux rate values were 3.81 (±2.94), 2.28 (±1.47), and 7.97 (±2.94) µmol m−² s−¹, respectively. Soil respiration was positively related to species richness, aboveground biomass, and quadratic mean diameter; however, forest type did not contribute to understanding the dynamics of soil CO2 fluxes. The results highlight the importance of seasonality, species diversity and aboveground biomass stocks to preserve the ecosystem processes driving soil respiration in temperate forests. eng

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