Variant scaling relationship for mass-density across tree-dominated communities

Hai Tao Li, Xing Guo Han, Jianguo Wu

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The past few decades have seen a resurgence of interest in biological allometry. Specifically, a number of recent studies has suggested a -4/3 invariant scaling relationship between mass and density that is universally valid for tree-dominated communities, regardless of their phyletic affiliation or habitat. In the present study, we test this scaling relationship using a comprehensive forest biomass database, including 1 266 plots of six biomes and 17 forest types across China. The present study shows that the scaling exponent of the mass-density relationship varies across different tree-dominated communities and habitats. This great variability in the scaling exponent makes any generalization unwarranted. Although inappropriate regression methods can lead to flawed estimation of the scaling exponent, inconsistency of theoretical framework and empirical patterns may have undermined the validity of previous work.

Original languageEnglish (US)
Pages (from-to)268-277
Number of pages10
JournalJournal of Integrative Plant Biology
Volume48
Issue number3
DOIs
StatePublished - Mar 2006

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Ecosystem
Biomass
allometry
habitats
forest types
China
ecosystems
biomass
Databases
testing
methodology
Forests

Keywords

  • Allometry
  • Mass-density
  • Scaling relationship
  • Trees

ASJC Scopus subject areas

  • Plant Science
  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry

Cite this

Variant scaling relationship for mass-density across tree-dominated communities. / Li, Hai Tao; Han, Xing Guo; Wu, Jianguo.

In: Journal of Integrative Plant Biology, Vol. 48, No. 3, 03.2006, p. 268-277.

Research output: Contribution to journalArticle

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