The aphotic zone 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. Above the aphotic
The migration of bioluminescent organisms from aphotic zone
In the deep ocean, marine snow is a continuous shower of mostly organic detritus falling from the upper layers of the water column. It is a significant means of exporting energy from the light-rich ph
Aphotic zone
…majority of the ocean's water lies in the aphotic zone. Bioluminescence is more abundant than sunlight in this zone. Most food in this zone comes from dead organisms sinking to the bottom of the lake or ocean from overlying waters. The depth of the aphotic zone can be greatly affected by such things as turbidity and the…
Marine snow is a shower of organic material falling from upper waters to the deep ocean.
Aerial view of Slapton Sands and northern part of Ley geograph.org.uk 1434412
Great Barracuda off the Netherland Antilles