Journal of Marine Sciences / 2012 / Article / Tab 1 / Research Article
Reef Flat Community Structure of Atol das Rocas, Northeast Brazil and Southwest Atlantic Table 1 Mean cover of benthic species recorded in Atol das Rocas reef flat. The values correspond to the mean of the 10 sites sampled. Algae nomenclatures are in accordance with AlgaeBase (2009). Other species in accordance with Catalogue of Life (2009).
Species Mean cover (%) ± SD Winter 1999 Winter 2000 Summer 2000 Summer 2002 Bacteria Cyanophyceae (sp.1) 5.7 ± 7.6 2.9 ± 4.1 8.2 ± 5.3 4.8 ± 7.8 Lyngbya confervoides 2.5 ± 5.8 10.5 ± 15.3 0.2 ± 0.6 7.6 ± 19.4 Plantae Chlorophyta Cladophoropsis membranacea 0.6 ± 1.9 0.2 ± 0.7 0.1 ± 0.4 1.5 ± 2.9 Phyllodictyon anastomosans — — 0.1 ± 0.2 — Dictyosphaeria ocellata 21.1 ± 19.4 23.1 ± 17.3 29.0 ± 22.1 9.6 ± 11.2 Dictyosphaeria versluysii 0.1 ± 0.1 0.2 ± 0.3 0.3 ± 0.7 3.7 ± 7.0 Rhizoclonium sp. 1.3 ± 2.2 0.1 ± 0.2 — — Rhodophyta Digenea simplex 29.2 ± 34.0 28.5 ± 31.8 17.3 ± 24.9 29.3 ± 28.7 Herposiphonia secunda — 1.1 ± 2.7 — — Gelidiella acerosa 14.1 ± 24.4 13.0 ± 22.7 9.1 ± 14.7 7.5 ± 20.0 Gelidiella setacea 2.5 ± 4.0 3.0 ± 7.3 1.3 ± 2.3 1.3 ± 2.3 Corallinaceae (sp.1) 0.2 ± 0.8 0.1 ± 0.2 0.1 ± 0.4 — Hydrolithon pachydermum 15.1 ± 12.6 30.1 ± 21.3 27.7 ± 19.3 22.0 ± 15.9 Jania adhaerens 0.3 ± 0.1 — — 2.4 ± 5.1 Phaeophyta sp. 1 (crustose form) 5.9 ± 18.5 — — — Animalia Zoanthus sociatus 18.2 ± 28.3 17.9 ± 22.9 19.9 ± 27.4 18.0 ± 28.5 Siderastrea stellata 0.1 ± 0.1 — — — Dendropoma sp. 2.1 ± 4.6 0.2 ± 0.6 5.8 ± 9.4 — Plakortis sp — — 0.3 ± 0.6 1.2 ± 1.9 Polychaeta (sp.1—encrusting tube worm) 12.1 ± 16.4 14.5 ± 21.3 0.2 ± 0.8 7.9 ± 13.5