What question did this study set out to answer?

This research aims to assess environmental factors influencing the distribution of Paracentrotus lividus in the Canary Islands.

Environmental drivers of Paracentrotus lividus populations in the Canary Islands: a multi-scale analysis

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Multi-scale analysis reveals spatial patterns in Paracentrotus lividus populations, influencing conservation strategies.

This research aims to assess environmental factors influencing the distribution of Paracentrotus lividus in the Canary Islands.
Conducted extensive surveys across five islands and northern islets between 2006 and 2009.
Sampled both intertidal and subtidal habitats.
Recorded sea urchin abundance, algal composition, and physical variables.
Grouped macroalgal assemblages into functional categories for analysis.
Lobophora showed a strong negative relationship with P. lividus abundance.
Brown erect algae correlated with higher sea urchin densities.
Island identity significantly influenced population distribution, with scarcity in El Hierro and abundance toward eastern islands.
Wave exposure affected abundance and size structure, with different effects in subtidal and intertidal zones.

Girad et al. (2026) studied this question.

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