Description of the TeaComposition initiative – University of Copenhagen

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Description of the TeaComposition initiative

Litter decomposition represents one of the largest fluxes in the global terrestrial carbon cycle. Decomposition studies normally use site specific litters and methodologies. Therefore comparison of similar data across different experiments and sites poses a major challenge. The TeaComposition initiative provides a unique chance to compare long-term decomposition rates and carbon turnover across sites and experiments by application of standard matrices and common protocols.

Aim and research questions

  1. study the potential long-term decomposition rates (C-losses and C-storage) across sites and experiments globally
  2. study the main drivers of change in litter decomposition over time
  3. link potential to actual litter decomposition (by parallel incubation of local litter) at any given site
  4. provide better numbers and data for model calibration and predictions

See video explaining the rationale

Teacomposition principle

Decomposition phases

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