TABLE 7. Summary of Biological Observations Made at Transect T-5, Approximately 760 m Offshore of 
the Honolulu International Airport Reef Runway (Station C) on 13 October 1994 


Quadrat Distance Along Transect
I. Quadrat Survey

0 m
5 m
10 m
15 m
20 m

Algae





Porolithon onkodes

31
22
13
15
Amansia glomerata
0.2




Cladymenia pacifica



0.1

Tolypiocladia glomerulata
0.1




Soft Coral





Palythoa tuberculosa

0.2
0.1
0.2
0.2
Corals





Porites compressa


0.2


Porites lobata


0.2


Pocillopora meandrina
0.1
0.1
0.2
0.1
1.1
Pavona duerdeni



5
0.6
Pavona varians

0.1


0.4
Montipora patula

0.2

1
0.3
Tunicates





Bortryllus sp.


0.1


Sand
1

1


Rubble
56.6
5
18
2

Hard Substratum
42
63.4
58.2
78.6
82.4


II. Macroinvertebrate Census (4 m ? 20 m)
No. of 
Individuals





Phylum Mollusca





Cypraea tigris
1




Phylum Echinodermata





Tripneustes gratilla
1




Echinothrix calamaris
1




Echinometra mathaei
3






III. Fish Census (4 m ? 20 m)






26 Species





169 Individuals





Estimated Standing Crop = 63 g/m2






NOTE: Results of the 5-m2 quadrat sampling of the benthic community are presented in Part I as percent cover, counts of 
diurnally exposed macroinvertebrates are given in Part II, and a summary of the fish census is given in Part III. Water depth 
ranges from 9.1 to 11 m; mean coral coverage is 1.9% (quadrat method).


