The emission factor of volatile isoprenoids: Stress, acclimation, and developmental responses

Ü Niinemets, A. Arneth, U. Kuhn, Russell Monson, J. Peñuelas, M. Staudt

Research output: Contribution to journalArticle

95 Citations (Scopus)

Abstract

The rate of constitutive isoprenoid emissions from plants is driven by plant emission capacity under specified environmental conditions (Es, the emission factor) and by responsiveness of the emissions to instantaneous variations in environment. In models of isoprenoid emission, Es has been often considered as intrinsic species-specific constant invariable in time and space. Here we analyze the variations in species-specific values of E s under field conditions focusing on abiotic stresses, past environmental conditions and developmental processes. The reviewed studies highlight strong stress-driven, adaptive (previous temperature and light environment and growth CO2 concentration) and developmental (leaf age) variations in Es values operating at medium to long time scales. These biological factors can alter species-specific Es values by more than an order of magnitude. While the majority of models based on early concepts still ignore these important sources of variation, recent models are including some of the medium- to long-term controls. However, conceptually different strategies are being used for incorporation of these longer-term controls with important practical implications for parameterization and application of these models. This analysis emphasizes the need to include more biological realism in the isoprenoid emission models and also highlights the gaps in knowledge that require further experimental work to reduce the model uncertainties associated with biological sources of variation.

Original languageEnglish (US)
Pages (from-to)2203-2223
Number of pages21
JournalBiogeosciences
Volume7
Issue number7
DOIs
StatePublished - 2010
Externally publishedYes

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emissions factor
isoprenoid
isoprenoids
acclimation
environmental conditions
environmental factors
model uncertainty
space and time
abiotic stress
emission factor
parameterization
timescale
leaves
temperature

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Ecology, Evolution, Behavior and Systematics

Cite this

The emission factor of volatile isoprenoids : Stress, acclimation, and developmental responses. / Niinemets, Ü; Arneth, A.; Kuhn, U.; Monson, Russell; Peñuelas, J.; Staudt, M.

In: Biogeosciences, Vol. 7, No. 7, 2010, p. 2203-2223.

Research output: Contribution to journalArticle

Niinemets, Ü ; Arneth, A. ; Kuhn, U. ; Monson, Russell ; Peñuelas, J. ; Staudt, M. / The emission factor of volatile isoprenoids : Stress, acclimation, and developmental responses. In: Biogeosciences. 2010 ; Vol. 7, No. 7. pp. 2203-2223.
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