Sõnastik (inglise)

Deepest part of the water column, formally defined as depths with less than 1% of light penetration.

Breeding, rearing, and harvesting of fish, shellfish, plants, algae and other organisms in all types of water environments.

The sum of communities of hydrophytes and helophytes.

Plants that have adapted to living in aquatic environments (saltwater or freshwater). They are also referred to as hydrophytes.

(1) Zone of the sea within which allocated islands are situated;

(2) a group of islands.

A mode of reproduction by which offspring arise from a single parent, and inherit the genes of that parent only; the primary form of reproduction for single-celled organisms, common in many macroalgae.

The azimuth (compass bearing) that slopes are facing.

Refers to all of the various species that exist in a particular habitat. A neutral substitute for "community" but implying no necessary interrelationships among species; also called species assemblage.

Algae capable of photosynthesis and growth using only dissolved inorganic nutrients for photosynthesis

The seafloor backscatter is defined as the amount of acoustic energy being received by the sonar after a complex interaction with the seafloor. This information can be used to determine seabed substrate type, because different seabed substrate types "scatter" sound energy differently.