MarBEF Data System



ERMS source details

Boury-Esnault, N.; Harmelin, J.-G.; Ledoyer, M.; Saldanha, L.; Zibrowius, H. (2001 [2005]). Peuplement benthique des grottes sous-marines de Sagres (Portugal, Atlantique nord-oriental). Boletim do Museu Municipal do Funchal. Sup. 6: 15-38.
141332
Boury-Esnault, N.; Harmelin, J.-G.; Ledoyer, M.; Saldanha, L.; Zibrowius, H.
2001 [2005]
Peuplement benthique des grottes sous-marines de Sagres (Portugal, Atlantique nord-oriental)
Boletim do Museu Municipal do Funchal
Sup. 6: 15-38
Publication
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The benthic communities of 8 submarine caves from Sagres area (southern Portugal) have been surveyed by scuba diving (organismic and photographic sampling). These relatively shallow (vault: 10-16 m depth) and large (maximum length: 115 m) caves are subjected to relatively strong water circulation (waves, tides), except for some small more confined dark areas. As a result and with reference to Mediterranean caves, the community typically associated to dark, confined cavities is limited to those few calmer recesses despite the wide extension of darkness. Conversely, communities typical of shadyed and semidark parts expand widely inside the caves, together with some rheophylic invertebrates. Five physionomic zones have been distinguished in these caves. Species richness of sponges, scleractinians and bryozoans appears to be lower than in dark caves of the Mediterranean. The most interesting faunal traits of these caves are: (i) the occurrence of rich mixed populations of brachiopods (5 species) and of mysids (2 species) in remote parts; (ii) the occurrence of some species considered as Mediterranean endemics; (iii) the absence of some expected species (e.g. Corallium rubrum); (iv) the replacement of several Mediterranean species, highly diagnostic of cave environment, by vicariant sibling species, e.g. in the genera Aplysina (sponges), Puellina (bryozoans), Hemimysis (mysids).
Ecology
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2013-01-12 18:30:12Z
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Aaptos aaptos (Schmidt, 1864) (additional source)
Acanthella acuta Schmidt, 1862 (additional source)
Axinella polypoides Schmidt, 1862 (additional source)
Axinella verrucosa (Esper, 1794) (additional source)
Axinyssa digitata (Cabioch, 1968) (additional source)
Chondrosia reniformis Nardo, 1847 (additional source)
Ciocalypta penicillus Bowerbank, 1862 (additional source)
Clathrina clathrus (Schmidt, 1864) (additional source)
Corticium candelabrum Schmidt, 1862 (additional source)
Crambe crambe (Schmidt, 1862) (additional source)
Dendroxea lenis (Topsent, 1892) (additional source)
Dercitus bucklandi (Bowerbank, 1858) represented as Dercitus (Dercitus) bucklandi (Bowerbank, 1858) (additional source)
Diplastrella bistellata (Schmidt, 1862) (additional source)
Dysidea fragilis (Montagu, 1814) (additional source)
Erylus euastrum (Schmidt, 1868) accepted as Penares euastrum (Schmidt, 1868) (additional source)
Geodia cydonium (Linnaeus, 1767) (additional source)
Hymedesmia versicolor (Topsent, 1893) represented as Hymedesmia (Hymedesmia) versicolor (Topsent, 1893) (additional source)
Isops intuta (Topsent, 1892) accepted as Caminella intuta (Topsent, 1892) (additional source)
Mycale massa (Schmidt, 1862) represented as Mycale (Mycale) massa (Schmidt, 1862) (additional source)
Oscarella lobularis (Schmidt, 1862) (additional source)
Pachastrissa pathologica (Schmidt, 1868) accepted as Calthropella (Calthropella) pathologica (Schmidt, 1868) (additional source)
Petrosia ficiformis (Poiret, 1789) represented as Petrosia (Petrosia) ficiformis (Poiret, 1789) (additional source)
Phorbas fictitius (Bowerbank, 1866) (additional source)
Phorbas tenacior (Topsent, 1925) (additional source)
Pleraplysilla spinifera (Schulze, 1879) (additional source)
Raspaciona aculeata (Johnston, 1842) (additional source)
Reniera fulva Topsent, 1893 accepted as Haliclona (Halichoclona) fulva (Topsent, 1893) (additional source)
Reniera mucosa Griessinger, 1971 accepted as Haliclona (Soestella) mucosa (Griessinger, 1971) (additional source)
Scopalina lophyropoda Schmidt, 1862 (additional source)
Spiraserpula massiliensis (Zibrowius, 1968) (additional source)
Spongia agaricina Pallas, 1766 represented as Spongia (Spongia) agaricina Pallas, 1766 (misapplication)
Spongia virgultosa (Schmidt, 1868) represented as Spongia (Spongia) virgultosa (Schmidt, 1868) (additional source)
Spongionella pulchella (Sowerby, 1804) (additional source)
Stryphnus mucronatus (Schmidt, 1868) (additional source)
Thymosia guernei Topsent, 1895 (additional source)
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