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February 9, 2026Ecology LettersOpen Access

The Critical Role of Coefficients: Updating Allometric Normalisation Constants for Modern Ecology and Modelling

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Authors

PBPenelope S. A. BlythTJThomas JohnsonTMThomas Malpas

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Overview

Research updates normalisation constants for metabolism and production in ecology, suggesting improved ecological models.

Key Points

  • The aim is to update allometric normalisation constants for metabolism and production based on extensive data.
  • Compiled a dataset of over 1000 genera with body mass across 10 orders of magnitude.
  • Updated metabolism and production coefficients using phylogenetic hierarchical modelling.
  • Evaluated impact using the Bioenergetic Food Web Model.
  • New coefficients were mostly lower than previous estimates.
  • Increased uncertainty estimates for the updated coefficients.
  • The model showed increased biomass and species persistence, but stability remained unchanged.

Cite This Study

Blyth et al. (2026) studied this question.

synapsesocial.com/papers/698979e9f0ec2af6756e8029https://doi.org/10.1111/ele.70330
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