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August 8, 2026Marine Biology ResearchOpen Access

Estimating biomass from images for marine macrofauna

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Authors

WGW. de GrootMSMidas S. SiahayaBWBabeth van der Weide

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Overview

Randomized trial estimates biomass from images in marine species, highlighting non-destructive methods.

Key Points

  • This study aims to develop a non-destructive method for estimating biomass in marine macrofauna using surface area measurements from images.
  • Developed models utilizing area-mass data pairs for six marine species.
  • Measured surface areas from photographs using ImageJ and determined ash-free dry mass using a Precisa Prepash oven.
  • Constructed species-specific models with R2 values ranging from 0.77 to 0.96 to predict biomass.
  • For Mytilus edulis and Monocorophium acharusicum, the growth pattern β is about 1.5, indicating isometric growth.
  • Other species like Jassa herdmani and Sabellaria spinulosa show a β value around 1.3, indicating allometric growth changes.
  • Seasonal factors affecting biomass calculation for Mytilus edulis were identified, with salinity showing minimal impact on ash-free dry mass.

Cite This Study

Groot et al. (2026) studied this question.

synapsesocial.com/papers/6a76da3bf12abadc798147a2https://doi.org/10.1080/17451000.2026.2648265
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