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Incorporating the effects of changes in vegetation functioning and CO2 on water availability in plant habitat models

Författare:
  • Sophie Rickebusch
  • Wilfried Thuiller
  • Thomas Hickler
  • Miguel B. Araujo
  • Martin Sykes (Professor)
  • Oliver Schweiger
  • Bruno Lafourcade
Publiceringsår: 2008
Språk: Engelska
Sidor: 556-559
Publikation/Tidskrift/Serie: BIOLOGY LETTERS
Volym: 4
Nummer: 5
Dokumenttyp: Artikel
Förlag: ROYAL SOC

Sammanfattning

The direct effects of CO2 level changes on plant water availability are usually ignored in plant habitat models. We compare traditional proxies for water availability with changes in soil water (fAWC) predicted by a process-based ecosystem model, which simulates changes in vegetation structure and functioning, including CO2 physiological effects. We modelled current and future habitats of 108 European tree species using ensemble forecasting, comprising six habitat models, two model evaluation methods and two climate change scenarios. The fAWC models' projections are generally more conservative. Potential habitats shrink significantly less for boreo-alpine and alpine species. Changes in vegetation functioning and CO2 on plant water availability should therefore be taken into account in plant habitat change projections.

Disputation

Nyckelord

  • Earth and Environmental Sciences
  • ensemble forecasting
  • BIOMOD
  • soil water content
  • CO2 effect
  • habitat models
  • climate change

Övrigt

Published
Yes
  • ISSN: 1744-9561

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