What question did this study set out to answer?

This research aims to investigate the impact of the invasive alga Rugulopteryx okamurae on the population dynamics of the sandhopper Talitrus saltator and its potential as a food resource.

August 2, 2026Aquatic Conservation Marine and Freshwater EcosystemsOpen Access

Use of Invasive Rugulopteryx okamurae Beach Wrack as Habitat and Food by Talitrus saltator

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This research aims to investigate the impact of the invasive alga Rugulopteryx okamurae on the population dynamics of the sandhopper Talitrus saltator and its potential as a food resource.
Analyzed population structure of Talitrus saltator on three beaches in southwestern Spain with varying management practices.
Conducted laboratory feeding experiments to evaluate the consumption of Rugulopteryx okamurae by Talitrus saltator.
Found more than 1000 individuals/m² of Talitrus saltator in fresh R. okamurae wrack, showing healthy populations.
Sandhoppers were absent from tourist-heavy beaches with mechanical grooming, indicating beach management affects populations.
T. saltator consumed R. okamurae but at lower rates than native algae, highlighting different feeding preferences.

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Implication

Randomized trial assesses habitat and food sources for talitrid amphipod Talitrus saltator, indicating the ecological role of invasive algae.

Cite This Study

Rosa et al. (2026) studied this question.

synapsesocial.com/papers/6a6eeb4d1b0468a7eeab4658 https://doi.org/10.1002/aqc.70432

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Implication

Randomized trial assesses habitat and food sources for talitrid amphipod Talitrus saltator, indicating the ecological role of invasive algae.

Use of Invasive Rugulopteryx okamurae Beach Wrack as Habitat and Food by Talitrus saltator

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Discussion

Implication

Cite This Study

Use of Invasive Rugulopteryx okamurae Beach Wrack as Habitat and Food by Talitrus saltator

Key Points

Discussion

Implication

Cite This Study

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