Definition of Aphotic region. Meaning of Aphotic region. Synonyms of Aphotic region

Here you will find one or more explanations in English for the word Aphotic region. Also in the bottom left of the page several parts of wikipedia pages related to the word Aphotic region and, of course, Aphotic region synonyms and on the right images related to the word Aphotic region.

Definition of Aphotic region

Aphotic region
Aphotic region Aphotic region (Phytogeog.) A depth of water so great that only those organisms can exist that do not assimilate.

Meaning of Aphotic region from wikipedia

- in Gr**** mythology), also known as the hadopelagic zone, is the deepest region of the ocean lying within oceanic trenches. The hadal zone is found from...
- demersal zones at the bottom of the sea. The benthic zone is the ecological region at the very bottom of the sea. It includes the sediment surface and some...
- of the aphotic zone. The lack of light and oxygen in the profundal zone determines the type of biological community that can live in this region and this...
- Extending from the bottom of the photic zone down to the seabed is the aphotic zone, a region of perpetual darkness. Since the average depth of the ocean is about...
- 000 Pa) and increases with depth. 54% of the ocean lies in the bathypelagic (aphotic) zone into which no light penetrates. This is also called the midnight...
- zones are considered to lie within the photic region, while the profundal zone is in the aphotic region. Temperature is an important abiotic factor in...
- occur in organisms in the aphotic zone as a byproduct of that same organism's bioluminescence. Some fluorescence in the aphotic zone is merely a byproduct...
- organisms unable to quickly return to the oxygen-enriched water above. This region also contains a much higher concentration of nutrient salts, like nitrogen...
- as the aphotic zone (depths exceeding 200 m). The pelagic part of the photic zone is known as the epipelagic. The pelagic part of the aphotic zone can...
- low-density surface waters and the underlying cold dense bottom waters. The region of rapid density change is known as the pycnocline, and it acts as a barrier...
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