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Macroalgal forest vs sea urchin barren: Patterns of macro-zoobenthic diversity in a large-scale Mediterranean study.

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Title: Macroalgal forest vs sea urchin barren: Patterns of macro-zoobenthic diversity in a large-scale Mediterranean study.
Authors: Pinna, S.1,2 (AUTHOR), Piazzi, L.1 (AUTHOR) lpiazzi@uniss.it, Ceccherelli, G.1 (AUTHOR), Castelli, A.3 (AUTHOR), Costa, G.4 (AUTHOR), Curini-Galletti, M.1 (AUTHOR), Gianguzza, P.5 (AUTHOR), Langeneck, J.3 (AUTHOR), Manconi, R.6 (AUTHOR), Montefalcone, M.4 (AUTHOR), Pipitone, C.7 (AUTHOR), Rosso, A.8 (AUTHOR), Bonaviri, C.5 (AUTHOR)
Source: Marine Environmental Research. Jul2020, Vol. 159, pN.PAG-N.PAG. 1p.
Subjects: Sea urchins
Abstract: The study aimed at contributing to the knowledge of alternative stable states by evaluating the differences of mobile and sessile macro-zoobenthic assemblages between sea urchin barrens and macroalgal forests in coastal Mediterranean systems considering a large spatial scale. Six sites (100 s km apart) were selected: Croatia, Montenegro, Sicily (Italy), Sardinia (Italy), Tuscany (Italy), and Balearic Islands (Spain). A total of 531 taxa, 404 mobile and 127 sessile macro-invertebrates were recorded. Overall, 496 and 201 taxa were found in macroalgal forests and in barrens, respectively. The results of this large-scale descriptive study have met the expectation of lower macrofauna complexity and diversity in barrens rather than in macroalgal forests, and have allowed estimating the differences in levels of diversity and the consistency of variability across Mediterranean sites. Some peculiar patterns in barrens, related to both abundance of specific taxa and to high values of beta diversity, have been evidenced. • Macro-zoobenthic assemblages of barrens and macroalgal forests were studied. • Six sites were studied throughout the Mediterranean Sea. • A total of 531 taxa, 404 mobile and 127 sessile macro-invertebrates were recorded. • 496 and 201 taxa were found in macroalgal forests and in barrens, respectively. • A lower macrofauna complexity and diversity were found in barrens. [ABSTRACT FROM AUTHOR]
Copyright of Marine Environmental Research is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The study aimed at contributing to the knowledge of alternative stable states by evaluating the differences of mobile and sessile macro-zoobenthic assemblages between sea urchin barrens and macroalgal forests in coastal Mediterranean systems considering a large spatial scale. Six sites (100 s km apart) were selected: Croatia, Montenegro, Sicily (Italy), Sardinia (Italy), Tuscany (Italy), and Balearic Islands (Spain). A total of 531 taxa, 404 mobile and 127 sessile macro-invertebrates were recorded. Overall, 496 and 201 taxa were found in macroalgal forests and in barrens, respectively. The results of this large-scale descriptive study have met the expectation of lower macrofauna complexity and diversity in barrens rather than in macroalgal forests, and have allowed estimating the differences in levels of diversity and the consistency of variability across Mediterranean sites. Some peculiar patterns in barrens, related to both abundance of specific taxa and to high values of beta diversity, have been evidenced. • Macro-zoobenthic assemblages of barrens and macroalgal forests were studied. • Six sites were studied throughout the Mediterranean Sea. • A total of 531 taxa, 404 mobile and 127 sessile macro-invertebrates were recorded. • 496 and 201 taxa were found in macroalgal forests and in barrens, respectively. • A lower macrofauna complexity and diversity were found in barrens. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Marine Environmental Research is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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