Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Of, relating to, or being the uppermost layer of a body of water that receives sufficient light for photosynthesis and the growth of green plants.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Describing that part of the near-surface
ocean in whichphotosynthesis is possible
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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The efficiency of retention is strongly determined by the occurrence of a match (where zooplankton are available to graze and recycle the primary production) or mismatch (where zooplankton are not present in sufficient numbers and primary production sinks out of the euphotic zone to be grazed by the benthos).
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Primary production (PP) occurs in the euphotic zone when light and nutrient conditions allow.
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This primary production may be retained by recycling within the euphotic zone or exported to deeper waters and be available for the benthos.
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Carbonate shell sinking is also an efficient means of removing organic carbon from the euphotic zone (see Biological Pump above).
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Reflux of NO3 - to the euphotic zone through upwelling and vertical mixing largely regulates primary production except in remote areas (high-nutrient low-chlorophyll regimes) such as the equatorial Pacific and the Southern Ocean where low concentration of a micronutrient (iron) appears to limit photosynthesis.
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They must dive, in fact, to get their nice little plankton food (you see how all my obsessions tie together?) and for a number of other reasons involving the euphotic zone and the water column that we don't need to get into now (primarily because I haven't hit that part of the course yet).
The feel-good story of the morning mariness 2004
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Marine Ocean Alive's Phytoplankton Elements of Life & Sunfood www. superfoodliving.com obtain energy through a process called photosynthesis and must therefore live in the well-lit surface layer (termed the euphotic zone) of an ocean, sea, lake, or other body of water.
WN.com - Articles related to French holiday firm debuts 'Eco-Nature' resorts 2010
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Elements of Life & Sunfood www. superfoodliving.com obtain energy through a process called photosynthesis and must therefore live in the well-lit surface layer (termed the euphotic zone) of an ocean, sea, lake, or other body of water.
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Marine Ocean Alive's Phytoplankton Elements of Life & Sunfood www. superfoodliving.com obtain energy through a process called photosynthesis and must therefore live in the well-lit surface layer (termed the euphotic zone) of an ocean, sea, lake, or other body of water.
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Elements of Life & Sunfood www. superfoodliving.com obtain energy through a process called photosynthesis and must therefore live in the well-lit surface layer (termed the euphotic zone) of an ocean, sea, lake, or other body of water.
WN.com - Articles related to French holiday firm debuts 'Eco-Nature' resorts 2010
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