Table 2 Abundance (mean percent cover and SE) of the species found at Kringel at elevation zones 1 (between −10 cm and 20 cm of elevation, relative to chart datum), 2 (20–50 cm), 3 (50–80 cm), 4 (80–110 cm), 5 (110–140 cm), and 6 (140–170 cm)
| Â | Elevation zone 1 | Elevation zone 2 | Elevation zone 3 | Elevation zone 4 | Elevation zone 5 | Elevation zone 6 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SE | Mean | SE | Mean | SE | Mean | SE | Mean | SE | Mean | SE | |
Algae | ||||||||||||
Blidingia sp. | – | – | – | – | – | – | – | – | 7.50 | 7.50 | 17.54 | 9.81 |
Ceramium rubrum | 1.71 | 1.62 | – | – | – | – | – | – | – | – | – | – |
Chaetomorpha sp. | 0.17 | 0.09 | 0.04 | 0.04 | – | – | 0.08 | 0.06 | 0.04 | 0.04 | – | – |
Chondrus crispus | 20.08 | 4.41 | 7.79 | 3.61 | 4.38 | 2.28 | 3.25 | 2.48 | – | – | – | – |
Cladophora rupestris | 4.08 | 2.25 | 1.96 | 1.74 | 7.92 | 7.92 | 1.42 | 0.70 | 0.17 | 0.13 | 0.04 | 0.04 |
Corallina officinalis* | 0.79 | 0.54 | – | – | – | – | – | – | – | – | – | – |
Dumontia contorta* | 5.38 | 2.38 | 1.54 | 0.95 | 3.63 | 2.65 | 0.50 | 0.50 | – | – | – | – |
Elachista fucicola | – | – | 2.38 | 1.42 | 5.42 | 4.54 | 3.38 | 1.59 | 2.81 | 1.55 | 1.13 | 0.76 |
Encrusting green algae | 0.04 | 0.04 | 1.60 | 1.24 | 1.25 | 0.75 | 2.33 | 0.63 | 7.35 | 2.46 | 9.38 | 5.24 |
Filamentous green algae | 0.92 | 0.62 | 6.13 | 4.93 | 2.38 | 1.97 | 6.75 | 5.09 | 6.83 | 5.81 | 0.48 | 0.19 |
Filamentous brown algae | 0.08 | 0.08 | – | – | 2.58 | 2.01 | – | – | 3.50 | 3.00 | 0.63 | 0.43 |
Fucus serratus | 12.13 | 7.72 | 30.00 | 8.06 | 15.25 | 8.58 | 33.54 | 12.26 | 8.63 | 5.94 | 0.67 | 0.68 |
Fucus spiralis | – | – | 4.75 | 3.33 | 8.25 | 6.39 | 1.83 | 1.74 | 21.02 | 7.28 | 23.04 | 9.58 |
Fucus vesiculosus | – | – | 10.50 | 5.37 | 2.38 | 2.38 | 0.25 | 0.25 | 0.08 | 0.08 | – | – |
Giffordia sp. | 0.08 | 0.08 | 3.00 | 2.22 | 0.33 | 0.26 | 2.04 | 1.86 | <0.01 | <0.01 | 0.38 | 0.38 |
Hildenbrandia rubra | 0.08 | 0.06 | – | – | 0.25 | 0.25 | 0.15 | 0.08 | 0.21 | 0.10 | 0.13 | 0.13 |
Mastocarpus stellatus | 12.25 | 5.70 | 11.25 | 3.96 | 22.56 | 7.14 | 14.67 | 6.28 | 7.52 | 4.04 | 7.08 | 3.87 |
Petalonia fascia | 1.13 | 0.99 | 0.58 | 0.37 | 0.04 | 0.04 | – | – | – | – | – | – |
Phymatolithon sp. | 24.83 | 9.93 | 9.21 | 7.39 | 4.96 | 4.34 | 0.71 | 0.62 | – | – | – | – |
Porphyra sp. | 0.67 | 0.51 | 1.83 | 1.23 | 3.25 | 1.69 | 0.63 | 0.49 | 0.46 | 0.20 | 0.29 | 0.10 |
Ralfsia sp. | 8.33 | 3.44 | 28.92 | 10.68 | 20.29 | 6.91 | 35.08 | 9.86 | 27.98 | 7.63 | 41.38 | 10.64 |
Rhodomela confervoides | – | – | 0.04 | 0.04 | – | – | – | – | – | – | – | – |
Rhodothamniella floridula | 0.17 | 0.13 | <0.01 | <0.01 | 7.92 | 7.92 | 0.33 | 0.26 | 0.04 | 0.04 | – | – |
Saccharina latissima | – | – | – | – | – | – | 0.04 | 0.04 | – | – | – | – |
Scytosiphon lomentaria* | 0.08 | 0.06 | 0.21 | 0.10 | 0.08 | 0.08 | – | – | – | – | 0.13 | 0.13 |
Spongonema tomentosum | – | – | 0.04 | 0.04 | – | – | – | – | 0.08 | 0.08 | – | – |
Tube-dwelling diatoms* | 33.00 | 14.02 | – | – | 0.04 | 0.04 | – | – | 0.04 | 0.04 | – | – |
Ulva sp. 1 | 44.63 | 12.68 | 35.38 | 11.08 | 15.79 | 7.23 | 2.58 | 1.65 | 2.33 | 1.49 | 0.54 | 0.33 |
Ulva sp. 2 | – | – | 3.50 | 3.50 | 9.29 | 8.22 | 9.38 | 7.84 | 1.50 | 1.50 | <0.01 | <0.01 |
Invertebrates | ||||||||||||
Actinia equina* | 0.04 | 0.04 | 0.38 | 0.18 | 0.04 | 0.04 | 0.04 | 0.04 | – | – | 0.04 | 0.04 |
Alcyonidium polyoum | 0.04 | 0.04 | – | – | – | – | – | – | – | – | – | – |
Amphipoda | 0.21 | 0.09 | 0.17 | 0.07 | 0.17 | 0.07 | 0.04 | 0.04 | 0.04 | 0.04 | – | – |
Anaitides maculata* | <0.01 | <0.01 | – | – | – | – | – | – | – | – | – | – |
Annelida | 0.46 | 0.25 | 0.25 | 0.13 | 0.13 | 0.07 | 0.13 | 0.07 | 0.04 | 0.04 | 0.04 | 0.04 |
Balanus balanus | – | – | – | – | – | – | 0.08 | 0.06 | – | – | – | – |
Balanus crenatus | 0.71 | 0.71 | 0.63 | 0.39 | 1.34 | 0.77 | 0.79 | 0.44 | 0.56 | 0.48 | 0.04 | 0.04 |
Balanus improvisus | 0.29 | 0.18 | 0.23 | 0.17 | 0.75 | 0.75 | 0.49 | 0.22 | 0.04 | 0.04 | 0.04 | 0.04 |
Carcinus maenas | 0.21 | 0.21 | 0.25 | 0.25 | 0.17 | 0.11 | – | – | – | – | – | – |
Clava multicornis | 0.23 | 0.10 | 0.21 | 0.10 | 0.17 | 0.09 | 0.15 | 0.08 | 0.04 | 0.04 | – | – |
Corophium sp.* | 1.17 | 0.99 | 0.08 | 0.06 | 0.04 | 0.04 | 0.13 | 0.07 | – | – | – | – |
Crassostrea gigas | – | – | 0.58 | 0.38 | 0.29 | 0.25 | – | – | – | – | – | – |
Dipteran larvae | – | – | 0.08 | 0.06 | 0.08 | 0.06 | – | – | 0.08 | 0.06 | 0.13 | 0.07 |
Dynamena pumila | 0.38 | 0.20 | 0.29 | 0.25 | 0.13 | 0.07 | 0.83 | 0.83 | – | – | 0.04 | 0.04 |
Elminius modestus | 0.58 | 0.37 | 2.10 | 1.16 | 3.66 | 1.80 | 2.81 | 1.67 | 1.80 | 0.83 | 0.52 | 0.26 |
Flustrella hispida | 0.04 | 0.04 | – | – | – | – | – | – | – | – | – | – |
Hydrobia sp. | 0.08 | 0.06 | – | – | – | – | 0.04 | 0.04 | – | – | – | – |
Idotea granulosa | 0.17 | 0.07 | 0.42 | 0.08 | 0.35 | 0.10 | 0.17 | 0.07 | 0.17 | 0.09 | 0.08 | 0.06 |
Janua pagenstecheri | 0.04 | 0.04 | – | – | – | – | – | – | – | – | – | – |
Lacuna vincta | 0.13 | 0.07 | 0.08 | 0.06 | 0.08 | 0.06 | 0.13 | 0.07 | 0.08 | 0.06 | 0.17 | 0.07 |
Laumeda flexulosa | – | – | – | – | 0.17 | 0.09 | 2.54 | 2.50 | 0.63 | 0.63 | – | – |
Lepidochitora cinerea* | 0.08 | 0.06 | 0.04 | 0.04 | – | – | – | – | – | – | – | – |
Littorina littorea | 5.06 | 1.82 | 2.63 | 0.93 | 3.25 | 1.34 | 1.96 | 0.75 | 0.96 | 0.32 | 1.00 | 0.51 |
Littorina obtusata | 0.54 | 0.25 | 0.77 | 0.22 | 0.69 | 0.27 | 0.38 | 0.13 | 0.27 | 0.08 | 0.17 | 0.07 |
Littorina saxatilis | – | – | 0.04 | 0.04 | 0.17 | 0.07 | 0.25 | 0.08 | 0.35 | 0.08 | 0.21 | 0.07 |
Mytilus edulis | – | – | 0.04 | 0.04 | – | – | 0.04 | 0.04 | 0.04 | 0.04 | – | – |
Nucella lapillus* | 0.08 | 0.08 | 0.13 | 0.08 | 0.38 | 0.33 | – | – | – | – | – | – |
Obelia geniculata | 0.04 | 0.04 | 2.67 | 2.24 | 0.13 | 0.07 | 2.50 | 2.50 | – | – | – | – |
Pomatoceros triqueter | 0.04 | 0.04 | – | – | – | – | – | – | – | – | – | – |
Sargatia sp.* | 0.79 | 0.26 | 0.56 | 0.17 | 0.58 | 0.24 | 0.31 | 0.15 | 0.04 | 0.04 | – | – |
Semibalanus balanoides | – | – | 0.46 | 0.22 | 1.44 | 0.86 | 1.60 | 1.05 | 0.51 | 0.34 | 0.44 | 0.14 |
Verruca stroemia | – | – | – | – | – | – | 0.10 | 0.10 | – | – | – | – |
Relevant group information | ||||||||||||
All species | 182.04 | 15.67 | 173.79 | 14.18 | 152.54 | 18.96 | 134.48 | 19.72 | 103.77 | 16.80 | 105.73 | 16.98 |
Fucus spp. | 12.13 | 7.72 | 45.25 | 10.29 | 25.88 | 11.25 | 35.63 | 13.03 | 29.73 | 7.90 | 23.71 | 9.46 |
Fucus spp., Mastocarpus stellatus, and Chondrus crispus | 44.46 | 10.65 | 64.29 | 12.68 | 52.81 | 13.07 | 53.54 | 18.90 | 37.25 | 11.07 | 30.79 | 12.84 |
Littorina spp. | 5.60 | 1.94 | 3.44 | 1.01 | 4.10 | 1.44 | 2.58 | 0.86 | 1.58 | 0.33 | 1.38 | 0.54 |