Water use strategies and ecosystem-atmosphere exchange of CO2 in two highly seasonal environments

A. Arneth, E.M. Veenendaal, C. Best, W. Timmermans, O. Kolle, L. Montagnani, O. Shibistova

Research output: Contribution to journalArticleAcademicpeer-review

26 Citations (Scopus)

Abstract

We compare assimilation and respiration rates, and water use strategies in four divergent ecosystems located in cold-continental central Siberia and in semi-arid southern Africa. These seemingly unrelated systems have in common a harsh and highly seasonal environment with a very sharp transition between the dormant and the active season, with vegetation facing dry air and soil conditions for at least part of the year. Moreover, the northern high latitudes and the semi-arid tropics will likely experience changes in key environmental parameters (e.g., air temperature and precipitation) in the future; indeed, in some regions marked climate trends have already been observed over the last decade or so.
Original languageEnglish
Pages (from-to)421-437
JournalBiogeosciences
Volume3
Issue number4
DOIs
Publication statusPublished - 2006

Keywords

  • siberian pine forest
  • carbon-dioxide
  • interannual variability
  • terrestrial ecosystems
  • vegetation dynamics
  • climate-change
  • model
  • respiration
  • fluxes
  • energy

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