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Updated: Jun 6, 2026

Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems
07:41

Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

Published on: July 30, 2019

Waves affect predator-prey interactions between fish and benthic invertebrates.

Friederike Gabel1, Stefan Stoll, Philipp Fischer

  • 1Leibniz-Institute of Freshwater Ecology, Berlin, Germany. gabel@igb-berlin.de

Oecologia
|November 25, 2010
PubMed
Summary
This summary is machine-generated.

Waves significantly impact freshwater predator-prey dynamics. Pulse waves, like those from ships, increase fish foraging success for some species, while continuous waves affect them differently, altering aquatic ecosystems.

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Area of Science:

  • Ecology
  • Aquatic Ecology
  • Freshwater Ecology

Background:

  • Predator-prey interactions are crucial in littoral zones.
  • The effects of wave action on these interactions in freshwater are poorly understood.

Purpose of the Study:

  • To investigate how ship- and wind-induced waves affect fish foraging success on benthic invertebrates.
  • To determine if different fish species respond differently to wave types.

Main Methods:

  • Mesocosm experiments were conducted in a wave tank.
  • Amphipods (Gammarus roeseli) were used as prey.
  • Age-0 bream (Abramis brama) and age-0/age-1 dace (Leuciscus leuciscus) were used as predators.

Main Results:

  • Wave action increased the suspension of prey in the water column, particularly pulse waves.
  • Dace (age-0 and age-1) showed higher foraging success in pulse wave treatments.
  • Bream (age-0) exhibited reduced foraging success in both wave treatments compared to controls.

Conclusions:

  • Wave type and fish species significantly influence predator-prey interactions in freshwater littoral zones.
  • Ship-induced waves may alter invertebrate and fish communities by changing predation risks and favoring wave-tolerant fish species.