Text/HTML
Login
Menu
Collections
About
Submit
FAQs
Search Open/Close
Open/Close Header Details
Search
Diving Biologists
Menu Open/Close
Coral Kingdom
Pacific Reefs
Diving Biologists
Coral Kingdom
Diver laying transect line for conducting fish survey.
Download
.jpg
(939.01 KB)
Diver laying transect line for conducting fish survey.
Download
.jpg
(1.09 MB)
Installing a 1/4 square meter grid for counting invertebrate species attaching to interior, roof of pipe. This location was a distinct habitat type ideal for larval settlement of oysters, sponges, bryozoa, and tunicates.
Download
.jpg
(1.14 MB)
Diver laying transect line for conducting fish survey. This picture taken verysoon after placement of artificial reef materials and very little growthof biota had occurred on pipes.
Download
.jpg
(1.15 MB)
Attaching 1/4 square meter grid to pipes by rope. The method did not work and eventually a hole was drilled in the four corners of the grid area,a stainless steel screw was attached, andnylon string was strung between the four corners.
Download
.jpg
(1.06 MB)
Exclusion cages were used to determine the effect of grazing on algal and invertebrate populations on the reef. The carport like extension was used to determine the effect of light reduction on pipe surfaces that were still open to grazing. Pipe su
Download
.jpg
(1.11 MB)
Installing exclusion to determine the effect of grazing on algal and invertebrate populations on the reef.
Download
.jpg
(1.13 MB)
Moving pipe pieces into exclusion cages for grazing study.
Download
.jpg
(1.13 MB)
Moving pipe pieces into exclusion cages for grazing study.
Download
.jpg
(1.12 MB)
Small pipes were moved to the interior of larger pipes to create more complex habitats for comparative studies.
Download
.jpg
(1.03 MB)
Small pipes were moved to the interior of larger pipes to create more complex habitats for comparative studies.
Download
.jpg
(1.04 MB)
Small pipes were moved to the interior of larger pipes to create more complex habitats for comparative studies.
Download
.jpg
(1.02 MB)
Divers preparing for dive on the artificial reef site off the Leeward Coast of Oahu close to Pokai Bay.
Download
.jpg
(1.04 MB)
Collecting fish by Hawaiian style spear for determining stomach contents.
Download
.jpg
(1.59 MB)
Navy divers assisting in the placement of used tires as an alternate reefmaterial on the artificial reef site at Pokai Bay, Oahu. The tires did not stay in place because of the strong surge of the large Pacific swells at the site.
Download
.jpg
(1.07 MB)
Investigating some of biota on the reef took close observations in difficult circumstances.
Download
.jpg
(976.54 KB)
Secchi disc readings were used to determine turbidity at the reef site on a regular basis. The rope was marked at five foot intervals to determine at what distance the disc could no longer be seen on a horizontal axis.
Download
.jpg
(910.06 KB)
Underwater tape recorders were used to record the number and size of each fish species on a set transect. A conversion table was used toconvert estimated length of fish to estimated weight.
Download
.jpg
(1.03 MB)
Underwater tape recorders were used to record the number and size of each fish species on a set transect. A conversion table was used toconvert estimated length of fish to estimated weight.
Download
.jpg
(1023.36 KB)
Collecting fish by Hawaiian style spear for determining stomach contents.
Download
.jpg
(1.51 MB)
1
2
3
Enter Title
Back To Top