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Complejidad de la Red Fúngica del Agregado del Suelo Impulsa la Multifuncionalidad del Suelo Durante la Restauración
Renyuan He1, Zhuzhu Luo1,2, Jiahe Liu2
1College of Forestry, Gansu Agricultural University, Lanzhou 730070, China.
Microorganisms
|January 28, 2026
Resumen
La restauración de la vegetación mejora la multifuncionalidad del suelo (SMF) en la meseta de Loess al alterar las comunidades microbianas. Las comunidades fúngicas, particularmente en agregados más grandes, son impulsores clave de la mejora de la función del ecosistema.
Área de la Ciencia:
- Ecología
- Ciencia del Suelo
- Microbiología
Sus antecedentes:
- La restauración de la vegetación es crucial para la función del ecosistema en la meseta de Loess.
- Los microbiomas del suelo son vitales para mantener la multifuncionalidad del suelo (SMF).
- El papel de las comunidades microbianas a escala de agregado en la SMF durante la restauración no está claro.
Objetivo del estudio:
- Investigar los mecanismos microbianos que impulsan la SMF a escala de agregado bajo diferentes medidas de restauración de la vegetación.
- Comprender cómo el tamaño del agregado influye en las comunidades microbianas y su papel en la SMF.
- Identificar los impulsores microbianos clave de la SMF en varios tamaños de agregados.
Principales métodos:
- Se compararon seis medidas de restauración de la vegetación (pradera natural, Medicago sativa, Hippophae rhamnoides, Caragana korshinskii, Armeniaca vulgaris, Populus alba) y tierras abandonadas.
- Se analizó la diversidad bacteriana, la complejidad de la red fúngica y la SMF en diferentes tamaños de agregados.
- Se utilizó el modelado de ecuaciones estructurales para identificar los impulsores microbianos clave de la SMF.
Principales resultados:
- La restauración de la vegetación aumentó la diversidad bacteriana, la complejidad de la red fúngica y la SMF, y Armeniaca vulgaris mostró mejoras significativas.
- La diversidad fúngica y la complejidad de la red bacteriana mostraron dinámicas asíncronas en diferentes tamaños de agregados.
- La diversidad microbiana alcanzó su punto máximo en los microagregados, mientras que la complejidad de la red fúngica aumentó con tamaños de agregados más pequeños.
- Se identificó la composición de la comunidad fúngica en macroagregados grandes y la complejidad de la red fúngica en agregados más pequeños como impulsores clave de la SMF.
Conclusiones:
- La restauración de la vegetación impacta positivamente las comunidades microbianas del suelo y mejora la multifuncionalidad del suelo en la meseta de Loess.
- Las comunidades fúngicas desempeñan un papel fundamental en la impulsión de la SMF, y su influencia varía según el tamaño del agregado.
- Comprender la dinámica microbiana a escala de agregado es esencial para estrategias efectivas de restauración de la vegetación.
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