Benthic Communities at Horns Rev Before, During and After Con
Benthic Communities at Horns Rev Before, During and After Con
Benthic Communities at Horns Rev Before, During and After Con
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<strong>Horns</strong> <strong>Rev</strong>. <strong>Benthic</strong> communities Page 55<br />
Table 3.13. Development of mean individual body weight (ww) of typical hard bottom substr<strong>at</strong>e dominants.<br />
Hard bottom substr<strong>at</strong>e dominants<br />
Mean individual weight mg (ww)<br />
March 2003 September 2003 March 2004 September 2004 March 2005 September 2005<br />
Species Group Mean Mean Mean Mean Mean Mean<br />
Jassa marmor<strong>at</strong>a Crustacean 4.9 0.8 2.5 1.2 1.0 1.2<br />
Caprella linearis Crustacean 7.5 1.7 3.9 2.2 2.1 3.3<br />
Mytilus edulis Bivalve 9.4 857.8 1,877.7 514.4 1,937.1 975.2<br />
Balanus cren<strong>at</strong>us Crustacean 164.2 35.5 14.6 29.1 19.1 29.2<br />
Asterias rubens Echinoderm 1,990.6 1,337.0 796.5 300.5 1,633.6 3,018.3<br />
Cancer pagurus Crustacean 41.5 3.4 138.3 12.1 181.3 366.1<br />
Pom<strong>at</strong>oceros triqueter Bristle worm 22.0 18.6 37.2 48.0 52.6 56.4<br />
2003 Spring<br />
Number<br />
Number<br />
2500<br />
2000<br />
1500<br />
1000<br />
500<br />
2500<br />
2000<br />
1500<br />
1000<br />
500<br />
2004 Spring<br />
Number<br />
Number<br />
1000<br />
750<br />
500<br />
250<br />
0<br />
1000<br />
750<br />
500<br />
250<br />
Mytilus edulis<br />
Turbine 55 Turbine 58 Turbine 95<br />
Turbine 91 Turbine 92<br />
0 5 10 15<br />
Length (mm)<br />
Mytilus edulis<br />
0 5 10 15<br />
Length (mm)<br />
Turbine 55 Turbine 58 Turbine 95<br />
Turbine 33 Turbine 91 Turbine 92<br />
0<br />
0 20 40 60<br />
Length (mm)<br />
2005 Spring<br />
Number<br />
Number<br />
150<br />
100<br />
50<br />
0<br />
150<br />
100<br />
50<br />
Mytilus edulis<br />
0 20 40 60<br />
Length (mm)<br />
0 20 40 60<br />
Length (mm)<br />
TurbineM55 TurbineM58 TurbineM95<br />
TurbineM33 TurbineM91 TurbineM92<br />
0<br />
0 20 40 60<br />
Length (mm)<br />
0 20 40 60<br />
Length (mm)<br />
0 20 40 60<br />
Length (mm)<br />
2003 Autumn<br />
Number<br />
Number<br />
2500<br />
2000<br />
1500<br />
1000<br />
500<br />
2500<br />
2000<br />
1500<br />
1000<br />
500<br />
Mytilus edulis<br />
Turbine 55 Turbine 58 Turbine 95<br />
Turbine 33 Turbine 91 Turbine 92<br />
0 10 20 30 40<br />
Length (mm)<br />
2004 Autumn<br />
Number<br />
Number<br />
4,000<br />
3,000<br />
2,000<br />
1,000<br />
4,000<br />
3,000<br />
2,000<br />
1,000<br />
Mytilus edulis<br />
0 10 20 30 40<br />
Length (mm)<br />
0 10 20 30 40<br />
Length (mm)<br />
Turbine 55 Turbine 58 Turbine 95<br />
Turbine 33 Turbine 91 Turbine 92<br />
0 20 40 60<br />
Length (mm)<br />
2005 Autumn<br />
Number<br />
3000<br />
2000<br />
1000<br />
0<br />
Mytilus edulis<br />
0 20 40 60<br />
Length (mm)<br />
0 20 40 60<br />
Length (mm)<br />
Turbine 55 Turbine 58 Turbine 95<br />
Turbine 33 Turbine 91 Turbine 92<br />
0<br />
0 25 50 75<br />
Length (mm)<br />
Figure 3.15.Length frequency diagram of the common mussel Mytilus edulis.<br />
Number<br />
3000<br />
2000<br />
1000<br />
0 25 50 75<br />
Length (mm)<br />
0 25 50 75<br />
Length (mm)<br />
Doc. No. 2572-03-005 rev. 4