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Benthic Communities at Horns Rev Before, During and After Con

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Doc. No. 2572-03-005 rev. 4<br />

2004<br />

Spring<br />

PORIFERA Halichondria panicea<br />

HYDROZOA Tubularia indivisa<br />

Campanulariidae indet.<br />

ANTHOZOA Alcyonium digit<strong>at</strong>um<br />

Actiniaria indet.<br />

NEMERTINI Nemertini indet.<br />

POLYCHAETA Phyllodoce groenl<strong>and</strong>ica<br />

Eulalia viridis<br />

Syllidae indet.<br />

Polydora cili<strong>at</strong>a<br />

Capitella capit<strong>at</strong>a<br />

Pom<strong>at</strong>oceros triqueter<br />

CRUSTACEA Verruca stroemia<br />

Balanus cren<strong>at</strong>us<br />

Corystes cassivelaunus<br />

Cancer pagurus<br />

Jassa marmor<strong>at</strong>a<br />

Caprella linearis<br />

GASTROPODA Rissoidae indet.<br />

Crepidula fornic<strong>at</strong>a<br />

Nudibranchia indet.<br />

Onchidoris muric<strong>at</strong>a<br />

Polycera quadriline<strong>at</strong>a<br />

Aeolidia papillosa<br />

BIVALVIA Mytilus edulis<br />

Goodallia triangularis<br />

Hi<strong>at</strong>ella arctica<br />

BRYOZOA Electra pilosa<br />

Alcyonidium sp.<br />

ECHINODERMATA Asterias rubens<br />

Total<br />

A 0.5 NNE<br />

g/m² Kol Sum %<br />

Transect<br />

Found<strong>at</strong>ions, horizontal<br />

B 02 NNE<br />

g/m² Kol Sum %<br />

C 05 NNE<br />

g/m² Kol Sum %<br />

D 05 SSW<br />

g/m² Kol Sum %<br />

. . .009 .0% .181 .1% . .<br />

.712 .5% .001 .0% . . .089 .0%<br />

.026 .0% .010 .0% .016 .0% .020 .0%<br />

. . .496 .2% .244 .1% . .<br />

12.831 9.7% 40.262 15.9% 80.245 38.6% 21.714 9.0%<br />

.034 .0% .024 .0% .067 .0% .031 .0%<br />

.011 .0% .140 .1% .140 .1% .128 .1%<br />

.002 .0% . . .001 .0% . .<br />

. . .001 .0% .007 .0% . .<br />

. . .003 .0% . . . .<br />

.001 .0% .009 .0% . . . .<br />

.173 .1% .081 .0% .461 .2% .374 .2%<br />

. . . . .013 .0% .012 .0%<br />

.008 .0% .015 .0% .424 .2% .009 .0%<br />

. . .002 .0% .003 .0% . .<br />

. . . . . . .013 .0%<br />

87.032 66.0% 159.154 63.0% 70.668 34.0% 155.237 64.5%<br />

8.311 6.3% 4.268 1.7% 1.564 .8% 1.690 .7%<br />

.025 .0% .143 .1% .145 .1% .016 .0%<br />

.001 .0% 1.124 .4% 3.448 1.7% 5.776 2.4%<br />

.054 .0% . . .024 .0% .068 .0%<br />

.119 .1% .003 .0% .003 .0% . .<br />

.006 .0% .199 .1% .263 .1% .069 .0%<br />

.004 .0% .105 .0% .113 .1% .032 .0%<br />

.111 .1% .479 .2% .243 .1% .085 .0%<br />

.002 .0% . . . . . .<br />

. . . . .032 .0% .018 .0%<br />

1.813 1.4% 2.376 .9% 1.541 .7% 1.331 .6%<br />

.027 .0% .070 .0% . . . .<br />

20.539 15.6% 43.715 17.3% 48.022 23.1% 54.067 22.5%<br />

131.840 100.0% 252.688 100.0% 207.868 100.0% 240.779 100.0%<br />

Autumn<br />

PORIFERA Porifera indet.<br />

HYDROZOA Tubularia indivisa<br />

Campanulariidae indet.<br />

Sertularia cupressina<br />

ANTHOZOA Alcyonium digit<strong>at</strong>um<br />

Actiniaria indet.<br />

NEMERTINI Nemertini indet.<br />

NEMATODA Nem<strong>at</strong>oda indet.<br />

POLYCHAETA Phyllodoce groenl<strong>and</strong>ica<br />

Eulalia viridis<br />

Nereis pelagica<br />

Polydora cili<strong>at</strong>a<br />

Cirr<strong>at</strong>ulidae indet.<br />

Terebellidae indet.<br />

Lanice conchilega<br />

Sabellaria sp.<br />

Pom<strong>at</strong>oceros triqueter<br />

CRUSTACEA Verruca stroemia<br />

Balanus cren<strong>at</strong>us<br />

Cancer pagurus<br />

Liocarcinus depur<strong>at</strong>or<br />

Jassa marmor<strong>at</strong>a<br />

Caprella linearis<br />

GASTROPODA Rissoidae indet.<br />

Crepidula fornic<strong>at</strong>a<br />

Hinia pygmaea<br />

Nudibranchia indet.<br />

Onchidoris muric<strong>at</strong>a<br />

Polycera quadriline<strong>at</strong>a<br />

Aeolidia papillosa<br />

BIVALVIA Mytilus edulis<br />

Angulus tenuis<br />

Moerella pygmaea<br />

Hi<strong>at</strong>ella arctica<br />

BRYOZOA Bryozoa indet.<br />

Electra pilosa<br />

Alcyonidium sp.<br />

ECHINODERMATA Asterias rubens<br />

Ophiura albida<br />

Strongylocentrotus<br />

droebachiensis<br />

Total<br />

A 0.5 NNE<br />

g/m² Kol Sum %<br />

Transect<br />

Found<strong>at</strong>ions, horizontal<br />

B 02 NNE<br />

g/m² Kol Sum %<br />

C 05 NNE<br />

g/m² Kol Sum %<br />

D 05 SSW<br />

g/m² Kol Sum %<br />

. . . . . . .044 .0%<br />

1.313 .5% .227 .1% .859 .4% .101 .0%<br />

.013 .0% .048 .0% .111 .1% .010 .0%<br />

.009 .0% . . . . .232 .1%<br />

11.878 4.8% 2.880 1.0% 7.471 3.5% 5.708 1.7%<br />

19.497 7.9% 34.011 11.9% 70.886 33.1% 9.443 2.8%<br />

. . . . . . .006 .0%<br />

.009 .0% .005 .0% .005 .0% .005 .0%<br />

.063 .0% .018 .0% .130 .1% .061 .0%<br />

.060 .0% .011 .0% .069 .0% .123 .0%<br />

. . . . . . .021 .0%<br />

. . . . . . .001 .0%<br />

. . .000 .0% . . . .<br />

. . . . . . .025 .0%<br />

. . . . .009 .0% . .<br />

. . . . .005 .0% . .<br />

.539 .2% .689 .2% .922 .4% .484 .1%<br />

.063 .0% .059 .0% .344 .2% .343 .1%<br />

2.626 1.1% .093 .0% .444 .2% .525 .2%<br />

2.767 1.1% 2.348 .8% 2.053 1.0% 2.137 .6%<br />

.045 .0% . . . . . .<br />

150.580 61.2% 181.910 63.8% 79.928 37.3% 258.346 76.0%<br />

3.384 1.4% 1.746 .6% 2.574 1.2% 10.324 3.0%<br />

.058 .0% .085 .0% .047 .0% .172 .1%<br />

8.577 3.5% 20.774 7.3% 16.432 7.7% 5.670 1.7%<br />

.010 .0% .012 .0% .055 .0% .042 .0%<br />

.077 .0% . . . . .115 .0%<br />

.005 .0% . . .002 .0% .006 .0%<br />

.094 .0% . . .020 .0% .085 .0%<br />

.161 .1% .039 .0% .276 .1% . .<br />

.332 .1% .590 .2% .144 .1% .184 .1%<br />

.001 .0% .001 .0% .000 .0% .003 .0%<br />

.009 .0% . . . . . .<br />

. . .003 .0% . . . .<br />

. . . . .065 .0% . .<br />

2.549 1.0% .658 .2% 1.308 .6% 3.656 1.1%<br />

.037 .0% .082 .0% .096 .0% . .<br />

41.289 16.8% 38.867 13.6% 29.984 14.0% 42.226 12.4%<br />

.007 .0% .011 .0% .015 .0% .023 .0%<br />

.025 .0% .002 .0% .065 .0% . .<br />

246.076 100.0% 285.169 100.0% 214.317 100.0% 340.120 100.0%<br />

<strong>Horns</strong> <strong>Rev</strong>. <strong>Benthic</strong> communities Page 123<br />

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