Partitioning the components of soil respiration: A research challenge

Elizabeth Baggs

Research output: Contribution to journalArticle

82 Citations (Scopus)

Abstract

Little is known about the respiratory components of CO2 emitted from soils and attaining a reliable quantification of the contribution of root respiration remains one of the major challenges facing ecosystem research. Resolving this would provide major advances in our ability to predict ecosystem responses to climate change. The merits and technical and theoretical difficulties associated with different approaches adopted for partitioning respiration components are discussed here. The way forward is suggested to be the development of non-invasive regression analysis validated by stable isotope approaches to increase the sensitivity of model functions to include components of rhizosphere microbial activity, changing root biomass and the dynamics of a wide range of soil C pools.

Original languageEnglish
Pages (from-to)1-6
Number of pages5
JournalPlant and Soil
Volume284
DOIs
Publication statusPublished - 2006

Keywords

  • CO2 flux
  • CO2 partitioning
  • heterotrophic respiration
  • root respiration
  • soil respiration
  • RHIZOSPHERE CARBON-FLOW
  • ROOT RESPIRATION
  • TERRESTRIAL ECOSYSTEMS
  • MICROBIAL BIOMASS
  • BEECH FOREST
  • CO2 EFFLUX
  • TEMPERATURE
  • SEEDLINGS
  • WHEAT
  • MECHANISMS

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