2008 Annual Monitoring Report (pdf 10.9MB) - Bolsa Chica ...
2008 Annual Monitoring Report (pdf 10.9MB) - Bolsa Chica ...
2008 Annual Monitoring Report (pdf 10.9MB) - Bolsa Chica ...
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<strong>Bolsa</strong> <strong>Chica</strong> Lowlands Restoration <strong>Monitoring</strong><br />
<strong>2008</strong> <strong>Annual</strong> <strong>Report</strong><br />
Table 1-14. Mean biomass of infauna (g/m 2 ) in January <strong>2008</strong>.<br />
-2-feet NAVD<br />
+1-foot NAVD<br />
Phylum Taxa Station 1 Station 2 Station 3 Station 1 Station 2 Station 3<br />
Annelida Class Polychaeta 6.582 12.766 19.480 1.203 17.616 1.863<br />
Arthropoda Class Ostracoda 0.024<br />
Order Amphipoda 1.292 0.102 0.887 0.041 0.077<br />
Order Decapoda 2.637 10.938 0.017<br />
Order Mysidacea 0.011<br />
Order Tanaidacea 0.358 0.004 0.422 0.038 0.113<br />
Cnidaria Class Anthozoa 0.661 5.808 0.160 0.571<br />
Echinodermata Class Holothuroidea 0.051 12.810 0.085 0.041<br />
Subclass Ophiuroidea 0.013 0.000<br />
Foraminifera Phylum Foraminifera 0.117<br />
Mollusca Class Bivalvia 54.750 2.145 8.554 10.100 17.599<br />
Class Gastropoda 1.183 5.508 2.949 88.497<br />
Nemertea Phylum Nemertea 0.000 0.763 0.011 0.226 4.040 1.770<br />
Phoronida Phylum Phoronida 0.239 0.260 0.038<br />
Platyhelminthes Class Turbellaria 0.026 0.030 0.117<br />
Total Mean Biomass all Taxa (g/m 2 ) 67.787 40.205 32.418 22.706 128.635 3.840<br />
In July <strong>2008</strong>, eight phyla were collected from the infauna cores, with amphipods making up 36% of the<br />
total individuals captured, and tanaids making up 27% (Table 1-15). Tanaids and amphipods were<br />
particularly abundant at the +1-foot elevation of Station 3.<br />
Table 1-15. Mean density of infauna (individuals/m 2 ) in July <strong>2008</strong>.<br />
-2-feet NAVD<br />
+1-foot NAVD<br />
Phylum Taxa Station 1 Station 2 Station 3 Station 1 Station 2 Station 3<br />
Annelida Class Polychaeta 621 1,582 1,488 320 1,789 3,333<br />
Arthropoda Order Amphipoda 1,205 395 1,563 94 885 7,533<br />
Order Decapoda 19 38 19<br />
Order Isopoda 19<br />
Order Mysidacea 38<br />
Order Tanaidacea 38 169 791 19 19 8,927<br />
Echinodermata Class Holothuroidea 19 151 132<br />
Subclass Ophiuroidea 56<br />
Mollusca Class Bivalvia 339 282 339 395 339 94<br />
Class Gastropoda 433 132 358 678 377 640<br />
Nematoda Phylum Nematoda 38<br />
Nemertea Phylum Nemertea 38 169 38 38 245 0<br />
Phoronida Phylum Phoronida 132 94 19 113 56<br />
Platyhelminthes Class Turbellaria 19 94<br />
Total Mean Density all Taxa (individuals/m 2 ) 2,900 2,976 4,746 1,130 3,823 20,734<br />
Merkel & Associates, Inc. 59