aphotic zone वाक्य
उदाहरण वाक्य
मोबाइल
- The profundal zone is often part of the aphotic zone.
- Zones which vary by the amount of light they receive include the photic and aphotic zones.
- For information on animals that live in the deeper areas of the oceans see aphotic zone.
- Much of the aphotic zone's energy is supplied by the open ocean in the form of detritus.
- The depth of the aphotic zone can be greatly affected by such things as turbidity and the season of the year.
- The aphotic zone underlies the photic zone, which is that portion of a lake or ocean directly affected by sunlight.
- The deep sea starts at the aphotic zone, the point where sunlight loses most of its energy in the water.
- The aphotic zone is further divided into additional zones : the bathyal zone, the abyssal zone, and the hadal zone.
- Extending from the bottom of the photic zone down to the seabed is the aphotic zone, a region of perpetual darkness.
- Changes in primary production in the photic zone are expected to alter the standing stocks in the food-limited aphotic zone.
- At equilibrium, the export flux of organic material sinking into the aphotic zone is balanced by the upward flux of nitrate.
- Hydrothermal vents are the primary source of energy in what is known as the aphotic zone ( depths exceeding 200 m ).
- In the ocean, this leads to a vertical separation of nitrification from primary production, and confines it to the aphotic zone.
- In general, the deep sea is considered to start at the aphotic zone, the point where sunlight loses its power of transference through the water.
- This leads to the situation whereby any nitrate in the water column must be from the aphotic zone, and must have originated from organic material transported there by sinking.
- Some, such as the " swallowers ", can live as deep as 3, 000 m ( 10, 000 feet ) in the ocean, well into the aphotic zone.
- Additionally, it is suggested that fluorescent tissues that surround an organism s eyes are used to convert blue light from the photic zone or green bioluminescence in the aphotic zone into red light to aid vision.
- The fraction of primary production that is exported to the aphotic zone is generally higher when primary production occurs in short ( seasonal ) bursts, than when it occurs more evenly spread out across a year.
- Being just above the ocean floor, the demersal zone is variable in depth and can be part of the photic zone where light can penetrate and photosynthetic organisms grow, or the aphotic zone, which begins between depths of roughly and extends to the ocean depths, where no light penetrates.
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