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Does Photic Zone Mean?

James H. Sterling • • 7 min read
Does Photic Zone Mean?

photic zone, surface layer of the ocean that receives sunlight. ... The bottommost, or aphotic

aphotic
The aphotic zone (aphotic from Greek prefix ἀ- + φῶς "without light") is the portion of a lake or ocean where there is little or no sunlight. It is formally defined as the depths beyond which less than 1 percent of sunlight penetrates.
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, zone is the region of perpetual darkness that lies beneath the photic zone and includes most of the ocean waters.

What is the photic zone known for?

Photic Zone is the top layer, nearest the surface of the ocean and is also called the sunlight layer. In this zone enough light penetrates the water to allow photosynthesis. ... In this zone only a small amount of light penetrates the water. Plants do not grow here due to the insufficient amount of light.

What is an example of photic zone?

Ninety percent of marine life lives in the photic zone, which is approximately two hundred meters deep. This includes phytoplankton (plants), including dinoflagellates, diatoms, cyanobacteria, coccolithophorids, and cryptomonads. It also includes zooplankton, the consumers in the photic zone.

James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.