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
12/19/2018 8:10:40 AM
Photographer: Dr. James P. McVey
Affiliation: NOAA Sea Grant Program
Date: Aug-68
Location: Pokai Bay, Oahu
Subject: Coral Reefs
Subject: Marine Biologist
Subject: Artificial Reef
Subject: Diving