Glossaire Scientifique

Glossaire des termes et des abréviations pertinentes à l'Autorité internationale des fonds marins et à ses documents.
Veuillez noter qu’il s’agit d’un document en constant développement.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Z
Titlesort ascending
DSRV

Deep-Sea Research Vehicle.

Dormant Sulphides

Synonymous with inactive sulphides.

DORD

Deep Ocean Resources Development Co., Ltd. (Japan). One of the groups granted a contract for the exploration of polymetallic nodules. Other contractors listed here.

DOMES

Deep Ocean Mining Environmental Study (United States)

DOM

Dissolved Organic Matter.

DOD

Department of Ocean Development (India)

DOC

Dissolved Organic Carbon.

DO

Dissolved Oxygen

DNA

Deoxyribonucleic Acid.

Diurnal

Processes which are completed within approximately 24 hours and recur every 24 hours.

DISCOL

Disturbance and Recolonization (German project in Pacific Ocean).

Direct Impacts

Impacts caused as a direct result of an action that is identified by the absence of an existing structure with an evident change in theenvironment and with future consequences of the action. Compare to cumulative impacts.

Diel

Involving a 24-hour period that includes a day and the adjoining night.

DGGE

Denaturing Gradient Gel Electrophoresis.

Detritus

Dead organic matter from both plant and animal origin.

Detritivore

Organism that feeds on detritus. Synonymous with Deposit Feeder.

Deposit Feeding

The action of feeding on detritus by either ingesting material unselectively and excreting unusable components or by selectively ingesting discrete particles.

Deposit Feeder

Synonymous with detritovore.

Deoxyribonucleic Acid

Molecules found in most organisms that carry genetic information necessary for the organization and functioning of most living cells. Also responsible for inherited characteristics. Abbreviated to DNA. Compare to Ribonucleic Acid (RNA).

Denaturing Gradient Gel Electrophoresis

A method for separating DNA fragments using their variable motility on a gradient of denaturing conditions. A method for separatingspecies using their DNA. Abbreviated to DGGE.

Denaturing

Something that denatures an organic molecule.

Denature

To change the structure of a molecule, disrupting its biological activity.

Demersal

Organisms living at or near the bottom of a body of water. Synonymous with epibenthic.

Deep-Sea Research Vehicle

Manned research submersible used for sampling and observation of the deep sea. Abbreviated to DSRV. Examples include Alvin(USA), Nautile (France), Mir I & Mir II (Russia) and Shinkai 6500 (Japan). Compare to Autonomous Underwater Vehicles andRemotely Operated Vehicles.

DEA

DISCOL Experimental Area.