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The ITS2 Database
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A peatland productivity and decomposition parameter database.

Kelly Ann Bona1, Arlene Hilger1, Magdalena Burgess1

  • 1Canadian Forest Service, Northern Forestry Centre, 5320 122 Street, Edmonton, Alberta, T6H 3S5, Canada.

Ecology
|July 22, 2018
PubMed
Summary

A comprehensive database of Canadian peatland productivity and decomposition parameters was created to support national greenhouse gas emission models. This dataset aids peatland scientists and ecosystem modelers in understanding carbon cycling and climate impacts.

Keywords:
decompositionforested peatlandmass lossnet primary productivityparameterspeatlandpeatland classificationstanding biomassvegetation layers

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Area of Science:

  • Ecology
  • Environmental Science
  • Biogeochemistry

Background:

  • National-scale greenhouse gas emission estimates from Canadian peatlands are needed.
  • Existing models require accurate productivity and decomposition parameters.
  • Peatlands play a significant role in Canada's carbon cycle.

Purpose of the Study:

  • To compile a database of peatland productivity and decomposition parameters.
  • To support the Canadian Model for Peatlands (CaMP) for greenhouse gas estimation.
  • To provide a valuable resource for peatland scientists and ecosystem modelers.

Main Methods:

  • Data compiled from 186 peatland sites across 69 sources.
  • Included data on net primary productivity (NPP) for various vegetation types (all, shrubs, moss, herbs, sedges).
  • Collected standing aboveground biomass data for trees, shrubs, herbs, and sedges.
  • Compiled decomposition parameters for different litter types, including decay rates and mass loss over time.
  • Organized data into tables: SITES, NPP (ALL, SHRUB, MOSS, HERB SEDGE), BIOMASS (TREE, SHRUB, HERB SEDGE, MOSS), DECAY LITTER, and REFERENCES.

Main Results:

  • A database with detailed information on peatland site characteristics, productivity, biomass, and decomposition rates was established.
  • The database includes specific parameters for vegetation types and litter, crucial for modeling.
  • Includes data on water table depth and its influence on decomposition.
  • Provides links to source references for data validation and further research.

Conclusions:

  • The compiled database is vital for the national Canadian peatland modeling effort.
  • This dataset will enhance the accuracy of greenhouse gas emission estimates from Canadian peatlands.
  • The database serves as a valuable resource for peatland scientists and ecosystem modelers globally.