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Table 2 Mean percent cover (±s.e.) and percentage of contribution to total cover of the most abundant algae found in urchin barrens of Tenerife Island, and mean percent cover by sectors [SE = Southeast, SW = Southwest, N = North]

From: Spatial variability, structure and composition of crustose algal communities in Diadema africanum barrens

Taxa Cover % Contr. SE SW N
Crustose      
 Thick CCA 29.65 ± 2.51 47.29 17.43 ± 3.26 24.43 ± 3.86 47.10 ± 4.46
 Thin CCA 16.90 ± 1.19 26.95 22.63 ± 1.55 19.08 ± 2.42 9.00 ± 1.51
 Hydrolithon onkodes 8.23 ± 1.60 13.12    24.68 ± 3.64
 Pseudolithoderma adriaticum 2.74 ± 0.64 4.37 1.88 ± 0.58 5.93 ± 1.74 0.43 ± 0.07
 Titanoderma polycephalum 0.17 ± 0.07 0.27    0.50 ± 0.21
 Peyssonnelia spp. 0.01 ± 0.008 0.01    0.03 ± 0.02
Filamentous and small macrophytes
 Filamentous Ceramiales 1.13 ± 0.20 1.80 0.70 ± 0.20 0.73 ± 0.15 1.98 ± 0.54
 Pseudochlorodesmis furcellata 0.41 ± 0.76 0.65 0.48 ± 0.18 0.35 ± 0.09 0.40 ± 0.09
 Jania adhaerens 0.58 ± 0.09 0.92 0.85 ± 0.21 0.58 ± 0.15 0.33 ± 0.08
 Ernodesmis verticillata 0.06 ± 0.03 0.09 0.18 ± 0.08   
 Gelidiopsis intricata 0.05 ± 0.02 0.07 0.03 ± 0.02 0.10 ± 0.06 0.03 ± 0.02
 Chaetomorpha aerea 0.02 ± 0.01 0.03 0.05 ± 0.03   
Upright macrophytes
 Lobophora variegata 1.98 ± 0.34 3.15 1.08 ± 0.17 0.83 ± 0.22 4.03 ± 0.92
 Dictyota pfaffii 0.35 ± 0.83 0.55 0.15 ± 0.07 0.45 ± 0.15 0.45 ± 0.18
 Dictyota sp. 0.22 ± 0.04 0.35 0.30 ± 0.10 0.08 ± 0.04 0.28 ± 0.08
 Sargassum sp. 0.06 ± 0.02 0.09 0.13 ± 0.05   0.05 ± 0.03
 Cystoseira compressa 0.04 ± 0.01 0.06 0.10 ± 0.04 0.03 ± 0.02  
 Padina pavonica 0.04 ± 0.02 0.06 0.13 ± 0.06   
 Stypopodium zonale 0.03 ± 0.01 0.04    0.08 ± 0.04
 Colpomenia sinuosa 0.02 ± 0.01 0.03 0.05 ± 0.05   
 Liagora tetrasporifera 0.01 ± 0.008 0.01   0.03 ± 0.02  
 Dictyota fasciola 0.01 ± 0.008 0.01 0.03 ± 0.02   
 Asparagopsis taxiformis 0.01 ± 0.008 0.01 0.03 ± 0.02   
Total 62.69 ± 26.99   46.18 ± 19.69 52.58 ± 25.766 89.33 ± 7.71