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CO2 fertilisation in temperate forest FACE results not representative for global forests.

In English

Författare

Summary, in English

Abstract in Undetermined
Results from free-air CO(2) enrichment (FACE) experiments in temperate climates indicate that the response of forest net primary productivity (NPP) to elevated CO(2) might be highly conserved across a broad range of productivities. In this study, we show that the LPJ-GUESS dynamic vegetation model reproduces the magnitude of the NPP enhancement at temperate forest FACE experiments. A global application of the model suggests that the response found in the experiments might also be representative of the average response of forests globally. However, the predicted NPP enhancement in tropical forests is more than twice as high as in boreal forests, suggesting that currently available FACE results are not applicable to these ecosystems. The modeled geographic pattern is to a large extent driven by the temperature dependence of the relative affinities of the primary assimilation enzyme (Rubisco) for CO(2) and O(2).

Publiceringsår

2008

Språk

Engelska

Sidor

1531-1542

Publikation/Tidskrift/Serie

Global Change Biology

Volym

14

Issue

7

Dokumenttyp

Artikel i tidskrift

Förlag

Wiley-Blackwell

Ämne

  • Physical Geography

Nyckelord

  • photosynthesis
  • Rubisco
  • NPP
  • LPJ-GUESS
  • forest response
  • FACE
  • ecosystem model
  • CO(2) fertilization
  • climate change
  • carbon cycle

Status

Published

Projekt

  • Climate Initiative

ISBN/ISSN/Övrigt

  • ISSN: 1354-1013