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Cambio climático. cambio climático. La gestión de los bosques después de Kyoto.

D E Schulze1, C Wirth, M Heimann

  • 1Max Planck Institute for Biogeochemistry, Post Office Box 100164, 07701 Jena, Germany. Detlef.Schulze@bgc-jena.mpg.de

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|October 14, 2000
PubMed
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La preservación de bosques antiguos puede ser más efectiva para el secuestro de carbono que la forestación. La protección de los bosques maduros ofrece un mayor impacto positivo en el ciclo global del carbono.

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Área de la Ciencia:

  • Ciencias ambientales Ciencias ambientales.
  • Ecología Forestal Ecología Forestal
  • Estudios sobre el cambio climático Estudios sobre el cambio climático

Sus antecedentes:

  • El Protocolo de Kioto obliga a reducir las emisiones de carbono a la atmósfera.
  • Los sumideros de carbono terrestres, incluidos los bosques, son clave para las estrategias de reducción de emisiones.
  • Las estrategias actuales hacen hincapié en la forestación y la reforestación.

Objetivo del estudio:

  • Evaluar el impacto de las estrategias de manejo forestal en el ciclo del carbono.
  • Para comparar el potencial de secuestro de carbono de los bosques de crecimiento antiguo frente a los bosques de regeneración.
  • Informar las políticas de mitigación del cambio climático.

Principales métodos:

  • Revisión de la literatura y síntesis de las investigaciones existentes sobre la dinámica del carbono forestal.
  • Análisis del almacenamiento de carbono en ecosistemas maduros (de crecimiento viejo) y en regeneración (reforestación) de los bosques.
  • Evaluación comparativa de las tasas de secuestro de carbono y la capacidad de almacenamiento a largo plazo.

Principales resultados:

  • Los bosques de crecimiento antiguo almacenan cantidades significativas de carbono.
  • Si bien la reforestación contribuye a la absorción de carbono, es posible que no coincida con la capacidad de los bosques establecidos.
  • La preservación de las reservas de carbono existentes en los bosques es crucial.

Conclusiones:

  • La preservación de los bosques antiguos puede tener un efecto positivo sustancial en el ciclo del carbono.
  • Las estrategias de manejo forestal deben considerar el papel de los bosques maduros en la mitigación del cambio climático.
  • Las decisiones políticas relativas a los sumideros de carbono deben sopesar los beneficios de la preservación frente a los de un nuevo crecimiento.