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La eficiencia del uso de carbono microbiano promueve el almacenamiento global de carbono en el suelo
Feng Tao1,2,3, Yuanyuan Huang4, Bruce A Hungate5,6
1Department of Earth System Science, Ministry of Education Key Laboratory for Earth System Modelling, Institute for Global Change Studies, Tsinghua University, Beijing, China.
Nature
|May 24, 2023
Resumen
La eficiencia del uso de carbono microbiano (CUE, por sus siglas en inglés) es un factor clave en el almacenamiento de carbono orgánico en el suelo (SOC, por sus siglas en inglés), que tiene un impacto significativo en los ciclos globales del carbono. Comprender la CUE ayuda a predecir cómo responderán los suelos al cambio climático.
Área de la Ciencia:
- Ciencias del suelo
- Microbiología
- Ecología
Sus antecedentes:
- Los suelos son sumideros críticos de carbono, pero los mecanismos de formación y persistencia del carbono orgánico del suelo (SOC) no se comprenden completamente.
- Los microorganismos del suelo son reconocidos como impulsores importantes de la dinámica de SOC, que influyen en su formación, preservación y pérdida.
- La eficiencia del uso de carbono microbiano (CUE) integra las respuestas microbianas a la entrada y pérdida de carbono, ofreciendo potencial como predictor del almacenamiento de SOC, sin embargo, su papel en la persistencia de SOC sigue siendo objeto de debate.
Conclusiones:
- La eficiencia del uso de carbono microbiano es un factor crítico, pero previamente subestimado, que controla el almacenamiento global de carbono orgánico en el suelo.
- Una mayor comprensión de la CUE microbiana y sus dependencias ambientales es esencial para predecir las retroalimentaciones de carbono del suelo en escenarios climáticos futuros.
- Esta investigación subraya la importancia de los procesos microbianos en la regulación del ciclo del carbono de la Tierra y el sistema climático.
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