Captured reef fish are tagged and released. 1984 August 223. Diver conducts point counts of reef fish. Diver relocates a fish trap used for transplant experiments. Core sample collection in the muddy sands of Long Island Sound.
Divers transport benthic chamber used to measure productivity and respiration.
Diver prepares to enter a shark cage. Coring into a coral reef to discover clues to past climate changes. Diver training with a full face mask and underwater communications. Diver sampling porewater from sands off North Carolina. Diver prepares herring collection nets next to submersible.