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Comentario sobre "El potencial de restauración de árboles en todo el mundo"

Andrew K Skidmore1,2, Tiejun Wang3, Kees de Bie3

  • 1Faculty of Geo-Information Science and Earth Observation (ITC), University of Twente, 7500 AE Enschede, Netherlands. a.k.skidmore@utwente.nl.

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La restauración de los bosques puede retener el carbono, pero la superficie necesaria es tres veces mayor de lo estimado anteriormente. Esto desafía la viabilidad del secuestro de carbono a gran escala solo a través de la reforestación.

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Área de la Ciencia:

  • Ciencias del medio ambiente
  • Mitigación del cambio climático
  • Ecología

Sus antecedentes:

  • La reforestación se propone como una estrategia clave para el secuestro de carbono.
  • Estudios anteriores sugieren un potencial significativo de almacenamiento de carbono en las copas de bosques y bosques restaurados.

Objetivo del estudio:

  • Reevaluar el área de tierra requerida para un secuestro global efectivo de carbono a través de la reforestación.
  • Evaluar la viabilidad de la restauración forestal a gran escala para mitigar el dióxido de carbono (CO2) atmosférico.

Principales métodos:

  • Reanálisis de los datos presentados en Bastin et al. (2019) y el informe.
  • Cálculo de los requisitos de superficie para el secuestro de emisiones antropogénicas de CO2.

Principales resultados:

  • La superficie global requerida para el secuestro sustancial de CO2 es al menos tres veces mayor que la reportada anteriormente.
  • El área de tierra estimada representa una porción irrealmente grande de la superficie terrestre de la Tierra.

Conclusiones:

  • El potencial de secuestro de carbono a través de la reforestación puede ser sobreestimado.
  • La reforestación por sí sola puede no ser una solución suficientemente escalable para secuestrar el CO2 emitido por el hombre.
  • Las estrategias alternativas o complementarias de mitigación del cambio climático requieren una consideración urgente.