The aphotic zone (aphotic from Greek prefix ἀ- + φῶς "without light") is the portion of a lake or ocean where there is little … Meer weergeven

In the ocean, the aphotic zone is sometimes referred to as the dark ocean. Depending on how it is defined, the aphotic zone of the ocean begins between depths of about 200 m (660 ft) to 800 m (2,600 ft) and … Meer weergeven

Though photosynthesis cannot occur in the aphotic zone, it is not unusual to find an abundance of phytoplankton there. Convective mixing due to cooling surface water sinking can increase the … Meer weergeven

After sunset, millions of organisms swarm up from the depths to feed on the microorganisms floating in the warm epipelagic zone. Many copepods and invertebrate larvae come up to shallower wat… Meer weergeven

• Abyssal zone
• Benthic zone
• Hadal zone
• Pelagic zone
• Photic zone… Meer weergeven