WoRMS source details

Gerovasileiou, V.; Voultsiadou, E. (2016). Sponge diversity gradients in marine caves of the eastern Mediterranean. Journal of the Marine Biological Association of the United Kingdom. 96(2), 407–416.
197846
10.1017/s0025315415000697 [view]
Gerovasileiou, V.; Voultsiadou, E.
2016
Sponge diversity gradients in marine caves of the eastern Mediterranean
Journal of the Marine Biological Association of the United Kingdom
96(2), 407–416
Publication
Available for editors  PDF available [request]
Although sponges constitute the dominant animal group in marine caves globally, few studies have investigated quantitatively their diversity patterns in this habitat. Regarding Mediterranean marine caves, data describing the structure and diversity gradients of sponge assemblages are available for the north-western basin, while information for the eastern Mediterranean is almost inexistent. In this study, the sponge assemblages in two Aegean marine caves (eastern Mediterranean Sea) with different topography were examined using a non-destructive method. In each cave, three quadrats (25 × 25 cm) were photographed at 5 m intervals, along three transects: one along the ceiling and two along the opposite walls. Per cent coverage for each sponge species was calculated using advanced image processing software. Our analyses revealed a rich sponge assemblage, which consisted of 50 species assigned to eight growth forms. Resemblance analysis for the surveyed caves revealed two major groups of samples corresponding to the shadowy outer and the darker internal cave sectors. However, differences in species composition as well as divergent spatial patterns of species richness, Shannon–Wiener diversity and morphological diversity were found not only between the caves but also between different transects within each cave. Sponge morphological diversity presented significant positive correlation with species richness and Shannon–Wiener diversity in both caves, suggesting that it could possibly be used as a surrogate measure for describing sponge diversity gradients in Mediterranean caves. Cave topography was found to have a significant effect on the observed diversity patterns and assemblage structure, highlighting the high level of individuality in these unique habitats.
Mediterranean Sea in general
Ecology
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2015-06-10 15:48:01Z
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Aaptos aaptos (Schmidt, 1864) (additional source)
Acanthella acuta Schmidt, 1862 (additional source)
Aplysilla rosea (Barrois, 1876) (additional source)
Aplysina aerophoba (Nardo, 1833) (additional source)
Axinella cannabina (Esper, 1794) (additional source)
Cliona celata Grant, 1826 (additional source)
Cliona schmidtii (Ridley, 1881) (additional source)
Cliona viridis (Schmidt, 1862) (additional source)
Dendroxea lenis (Topsent, 1892) (additional source)
Dictyonella incisa (Schmidt, 1880) (additional source)
Diplastrella bistellata (Schmidt, 1862) (additional source)
Dysidea fragilis (Montagu, 1814) (additional source)
Eurypon clavatum (Bowerbank, 1866) (additional source)
Fasciospongia cavernosa (Schmidt, 1862) (additional source)
Haliclona (Halichoclona) fulva (Topsent, 1893) (additional source)
Haliclona (Soestella) mucosa (Griessinger, 1971) (additional source)
Hexadella pruvoti Topsent, 1896 (additional source)
Hexadella racovitzai Topsent, 1896 (additional source)
Ircinia oros (Schmidt, 1864) (additional source)
Ircinia paucifilamentosa Vacelet, 1961 (additional source)
Ircinia variabilis (Schmidt, 1862) (additional source)
Jaspis johnstonii (Schmidt, 1862) (additional source)
Myrmekioderma spelaeum (Pulitzer-Finali, 1983) (additional source)
Oscarella balibaloi Pérez, Ivanisevic, Dubois, Pedel, Thomas, Tokina & Ereskovsky, 2011 (additional source)
Oscarella microlobata Muricy, Boury-Esnault, Bézac & Vacelet, 1996 (additional source)
Oscarella tuberculata (Schmidt, 1868) (additional source)
Penares euastrum (Schmidt, 1868) (additional source)
Petrosia (Petrosia) ficiformis (Poiret, 1789) (additional source)
Phorbas tenacior (Topsent, 1925) (additional source)
Plakina bowerbanki (Sarà, 1960) (additional source)
Plakina trilopha Schulze, 1880 (additional source)
Pleraplysilla spinifera (Schulze, 1879) (additional source)
Pseudocorticium jarrei Boury-Esnault, Muricy, Gallissian & Vacelet, 1995 (additional source)
Raspaciona aculeata (Johnston, 1842) (additional source)
Spirastrella cunctatrix Schmidt, 1868 (additional source)
Spongia (Spongia) virgultosa (Schmidt, 1868) (basis of record)
Terpios gelatinosa (Bowerbank, 1866) accepted as Terpios gelatinosus (Bowerbank, 1866) (additional source)
Tethya aurantium (Pallas, 1766) (additional source)
Thymosiopsis cuticulatus Vacelet & Pérez, 1998 (additional source)
Timea unistellata (Topsent, 1892) (additional source)