Role of two co-occurring Mediterranean sea urchins in the formation of barren from Cystoseira canopy

Paola Gianguzza, Chiara Bonaviri, Davide Agnetta, Badalamenti, Ceccherelli, Davide Agnetta

Risultato della ricerca: Articlepeer review

38 Citazioni (Scopus)

Abstract

In the Mediterranean Sea the co-occurring sea urchins Paracentrotus lividus and Arbacia lixula are usually consideredto share the same ecological role in the formation of barren from Cystoseira canopy. However, their foraging abilitymay vary due to feeding behavior and species-specific morphological traits. The relative effects of P. lividus and A.lixula on Cystoseira canopy was tested experimentally both in the laboratory, at a density of about 20 ind./m2, and in thefield by gut content analysis. Results, both in the field and in the laboratory experiments, show that A. lixula is unable toaffect Cystoseira spp. Furthermore, these results confirmed the great ability of P. lividus to consume Cystoseira canopy,thus supporting the evidence of the major role of this species in the creation of barren state
Lingua originaleEnglish
pagine (da-a)73-77
Numero di pagine5
RivistaEstuarine, Coastal and Shelf Science
Volume152
Stato di pubblicazionePublished - 2015

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Aquatic Science

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