5288 Lawson Pilot Reef Species List.xls

BALANCED

ENVIRONMENTAL

Table 1 - Observed Species List

Lawson Reef October 21, 2010

Common Name Scientific Name Range Abundance*
Upper Lower
Barnacles
Acorn Balanus glandula Abundant
Brown Alga
Seersucker Costaria costata Common
Sugar Wrack Kelp Laminaria saccharina Rare
Bull Kelp Nereocystis luetkeana Common
Crabs
Red Rock Cancer productus Sparse
Fish
Perch Rhacochius vacca Rare
Green Alga
Sea Lettuce Ulva fenestrata Abundant
Red Alga
Bladed Unidentified Species** Abundant
Mermaid Glove Dictyota binghamiae Few
Network Red Polyneura latissima Rare
Red Filamentous Polysiphonia sp. Few
Sea Cucumbers
California Parastichopus californicus Sparse
Sea Stars
Ochre Pisaster ochraceus Abundant
Mottled Evasterias troschelii Sparse
Sunflower Pycnopodia helianthoides Abundant
Abundance Catergory Algae and Attached Organisms (% Coverage) Mobile Organisms (Counts per Site) Bivalves (Counts per sq. m.)
Rare <5% 1 <1
Sparse 5-25% 2-4 1
Few 26-50% 5-10 2-3
Common 51-75% 11-30 4-9
Abundant >75% >30 >10

Range elevations measured in metres chart datum.

* Where observed conditions are suitable for growth. **Microscopic examination of the specimen is required for identification.