An allometric model for seed plant reproduction

Karl J. Niklas, Brian Enquist

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

An allometric framework is used to construct a model for seed plant annual reproductive biomass based on standing leaf, stem and root biomass. According to this model, the scaling of reproduction is governed by numerous taxon-specific scaling exponents and constants that reflect the allometry of vegetative biomass partitioning. Although this allometry cannot be predicted a priori, the model accurately predicts all observed inter- and intraspecific reproductive biomass trends based on the exponents and constants determined for a worldwide database representative of herbaceous and tree-sized dicot, monocot and conifer species growing in diverse habitats. The model also identifies the body proportions for which reproduction is energetically untenable. The limits for seed plant reproductive biomass are thus established, providing a conceptual and quantitative basis for understanding the scaling of reproductive capacity across and within ecologically and evolutionarily diverse spermatophytes.

Original languageEnglish (US)
Pages (from-to)79-88
Number of pages10
JournalEvolutionary Ecology Research
Volume5
Issue number1
StatePublished - Jan 2003

Fingerprint

plant reproduction
Spermatophytina
Biomass
Reproduction
Seeds
seed
allometry
biomass
annual plant
biomass allocation
Coniferophyta
coniferous tree
Magnoliopsida
Liliopsida
stem
conifers
Ecosystem
reproductive performance
Databases
habitat

Keywords

  • Allometry
  • Plants
  • Reproductive biomass
  • Scaling
  • Vegetative biomass

ASJC Scopus subject areas

  • Ecology
  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Genetics(clinical)

Cite this

An allometric model for seed plant reproduction. / Niklas, Karl J.; Enquist, Brian.

In: Evolutionary Ecology Research, Vol. 5, No. 1, 01.2003, p. 79-88.

Research output: Contribution to journalArticle

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