Coral reefs

Coral reefs

Coral reefs are structures formed from the calcium carbonate secretions of corals. They are colonies of tiny animals in marine areas containing few nutrients.

Industry: Natural environment

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Coral reefs

species diversity

Natural environment; Coral reefs

The number of different species in an area and their relative abundance.

logarithmic phase

Natural environment; Coral reefs

The steepest slope of the growth curve of a culture; the phase of vigorous growth during which cell number doubles every 20-30 minutes; also called 'log or exponential growth phase'.

bacillus

Natural environment; Coral reefs

A bacterium with a rod-like shape.

cyanide fishing

Natural environment; Coral reefs

A destructive fishing technique in which sodium cyanide or some other cyanide compound is used to stun and capture coral reef fishes for the aquarium and live food trade.