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- Photic_zone abstract "The photic zone, euphotic zone (Greek for "well lit": εὖ "well" + φῶς "light"), or sunlight zone is the depth of the water in a lake or ocean that is exposed to such intensity of sunlight which designates compensation point, i.e. the intensity of light at which the rate of carbon dioxide uptake, or equivalently, the rate of oxygen production, is equal to the rate of carbon dioxide production, equivalently to the rate of oxygen consumption, reducing thus the net carbon dioxide assimilation to zero. It extends from the surface down to a depth where light intensity falls to one percent of that at the surface, called the euphotic depth. Accordingly, its thickness depends on the extent of light attenuation in the water column. Typical euphotic depths vary from only a few centimetres in highly turbid eutrophic lakes, to around 200 metres in the open ocean. It also varies with seasonal changes in turbidity.Since the photic zone is where almost all of the photosynthesis occurs, the depth of the photic zone is generally proportional to the level of primary production that occurs in that area of the ocean. About 90% of all marine life lives in the photic zone. A small amount of primary production is generated deep in the abyssal zone around the hydrothermal vents which exist along some mid-oceanic ridges.The zone which extends from the base of the euphotic zone to about 200 metres is sometimes called the disphotic zone. While there is some light, it is insufficient for photosynthesis, or at least insufficient for photosynthesis at a rate greater than respiration. The euphotic zone together with the disphotic zone coincides with the epipelagic zone. The bottommost zone, below the euphotic zone, is called the aphotic zone. Most deep ocean waters belong to this zone. The transparency of the water, which determines the depth of the photic zone, is measured simply with a Secchi disk. It may also be measured with a photometer lowered into the water.".
- Photic_zone wikiPageID "41519".
- Photic_zone wikiPageLength "2613".
- Photic_zone wikiPageOutDegree "20".
- Photic_zone wikiPageRevisionID "653340608".
- Photic_zone wikiPageWikiLink Abyssal_zone.
- Photic_zone wikiPageWikiLink Aphotic_zone.
- Photic_zone wikiPageWikiLink Attenuation.
- Photic_zone wikiPageWikiLink Category:Aquatic_ecology.
- Photic_zone wikiPageWikiLink Category:Oceanography.
- Photic_zone wikiPageWikiLink Cellular_respiration.
- Photic_zone wikiPageWikiLink Compensation_point.
- Photic_zone wikiPageWikiLink Deep_ocean.
- Photic_zone wikiPageWikiLink Deep_sea.
- Photic_zone wikiPageWikiLink Electromagnetic_absorption_by_water.
- Photic_zone wikiPageWikiLink Epipelagic_fish.
- Photic_zone wikiPageWikiLink Epipelagic_zone.
- Photic_zone wikiPageWikiLink Eutrophic.
- Photic_zone wikiPageWikiLink Hydrothermal_vent.
- Photic_zone wikiPageWikiLink Mid-ocean_ridge.
- Photic_zone wikiPageWikiLink Ocean.
- Photic_zone wikiPageWikiLink Pelagic_fish.
- Photic_zone wikiPageWikiLink Pelagic_zone.
- Photic_zone wikiPageWikiLink Photometer.
- Photic_zone wikiPageWikiLink Primary_production.
- Photic_zone wikiPageWikiLink Secchi_disk.
- Photic_zone wikiPageWikiLink Transparency_(optics).
- Photic_zone wikiPageWikiLink Transparency_and_translucency.
- Photic_zone wikiPageWikiLink Trophic_state_index.
- Photic_zone wikiPageWikiLink Turbidity.
- Photic_zone wikiPageWikiLinkText "Photic zone".
- Photic_zone wikiPageWikiLinkText "Sunlight Zone".
- Photic_zone wikiPageWikiLinkText "deep blue water".
- Photic_zone wikiPageWikiLinkText "epipelagic zone".
- Photic_zone wikiPageWikiLinkText "euphotic depth".
- Photic_zone wikiPageWikiLinkText "euphotic zone".
- Photic_zone wikiPageWikiLinkText "euphotic".
- Photic_zone wikiPageWikiLinkText "photic zone".
- Photic_zone wikiPageWikiLinkText "photic".
- Photic_zone wikiPageWikiLinkText "plant growth".
- Photic_zone wikiPageWikiLinkText "sunlight zone".
- Photic_zone wikiPageWikiLinkText "surface ocean".
- Photic_zone wikiPageWikiLinkText "surface waters".
- Photic_zone hasPhotoCollection Photic_zone.
- Photic_zone wikiPageUsesTemplate Template:Aquatic_ecosystem_topics.
- Photic_zone wikiPageUsesTemplate Template:Aquatic_layer_topics.
- Photic_zone wikiPageUsesTemplate Template:Ocean-stub.
- Photic_zone wikiPageUsesTemplate Template:Physical_oceanography.
- Photic_zone wikiPageUsesTemplate Template:Reflist.
- Photic_zone wikiPageUsesTemplate Template:Unreferenced.
- Photic_zone subject Category:Aquatic_ecology.
- Photic_zone subject Category:Oceanography.
- Photic_zone hypernym Depth.
- Photic_zone type Article.
- Photic_zone type Article.
- Photic_zone type Science.
- Photic_zone type Subfield.
- Photic_zone comment "The photic zone, euphotic zone (Greek for "well lit": εὖ "well" + φῶς "light"), or sunlight zone is the depth of the water in a lake or ocean that is exposed to such intensity of sunlight which designates compensation point, i.e.".
- Photic_zone label "Photic zone".
- Photic_zone sameAs منطقة_مضاءة.
- Photic_zone sameAs Zona_fòtica.
- Photic_zone sameAs Fotiske_zone.
- Photic_zone sameAs Euphotische_Zone.
- Photic_zone sameAs Zona_fótica.
- Photic_zone sameAs Eufootne_vöönd.
- Photic_zone sameAs Zone_photique.
- Photic_zone sameAs Comhshaol_eipipeiligeach.
- Photic_zone sameAs Zona_fótica.
- Photic_zone sameAs Zòn_fotik.
- Photic_zone sameAs Ljóstillífunarbelti.
- Photic_zone sameAs Zona_eufotica.
- Photic_zone sameAs 有光層.
- Photic_zone sameAs Fotische_zone.
- Photic_zone sameAs Eufotisk.
- Photic_zone sameAs Strefa_eufotyczna.
- Photic_zone sameAs Zona_eufótica.
- Photic_zone sameAs m.0bddk.
- Photic_zone sameAs Эвфотическая_зона.
- Photic_zone sameAs Еуфотична_зона.
- Photic_zone sameAs Eufotisk_zon.
- Photic_zone sameAs சூரிய_ஒளி_மண்டலம்.
- Photic_zone sameAs Q579649.
- Photic_zone sameAs Q579649.
- Photic_zone sameAs 真光层.
- Photic_zone wasDerivedFrom Photic_zone?oldid=653340608.
- Photic_zone isPrimaryTopicOf Photic_zone.