Some aspects of the analysis of size spectra in aquatic ecology

Beatriz Vidondo*, Yves T. Prairie, Jose M. Blanco, Carlos M. Duarte

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

135 Scopus citations


The established approach to model seston size distributions involves the grouping of particles within logarithmic size classes and the examination of the relationship between density, or normalized biomass, and the characteristic sizes of the classes. Here we examine the distributional basis of the established approach and draw a connection between the biomass size spectrum and the Pareto distribution, a model widely used in other disciplines dealing with size-structured systems. We provide efficient estimators of the parameters and also suggest that datasets exhibiting significant departures from a smooth power function decline can be adequately modeled using a Pareto type II distribution.

Original languageEnglish (US)
Pages (from-to)184-192
Number of pages9
JournalLimnology and Oceanography
Issue number1
StatePublished - Jan 1997
Externally publishedYes

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science


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