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单词 photic zone
释义

photic zone in American English

the uppermost layer in a body of water into which daylight penetrates in sufficient amounts to influence living organisms, esp. by permitting photosynthesis

photic zone in American English

noun
Biology
the upper layer of a body of water delineated by the depth to which enough sunlight can penetrate to permit photosynthesis
Word origin
[1970–75]This word is first recorded in the period 1970–75. Other words that entered Englishat around the same time include: New Age, cornrow, relational database, stress test, urban legend

Examples of 'photic zone' in a sentence
photic zone

We calculate that proteorhodopsin-exploiting bacteria account for 13% of microorganisms in the photic zone.
Gazalah Sabehi, Alexander Loy, Kwang-Hwan Jung, Ranga Partha, John L Spudich, TalIsaacson, Joseph Hirschberg, Michael Wagner, Oded Béjà 2005, 'New insights into metabolic properties of marine bacteria encoding proteorhodopsins.',PLoS Biologyhttp://europepmc.org/articles/PMC1175822?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Proteorhodopsins are globally abundant photoproteins found in bacteria in the photic zone of the ocean.
Laura Gómez-Consarnau, Neelam Akram, Kristoffer Lindell, Anders Pedersen, RichardNeutze, Debra L Milton, José M González, Jarone Pinhassi 2010, 'Proteorhodopsin phototrophy promotes survival of marine bacteria during starvation.',PLoS Biologyhttp://europepmc.org/articles/PMC2860489?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Density was evaluated by sampling carried out within the photic zone.
Carolina Bustamante Gil, John Jairo Ramírez Restrepo, Andrés Boltovskoy, Amparo Vallejo 2012, 'Spatial and temporal change characterization of Ceratium furcoides (Dinophyta) inthe equatorial reservoir Riogrande II, Colombia Caracterização das mudanças espaciaise temporais de Ceratium furcoides (Dinophyta) no reservatório equatorial RiograndeII (Entrerríos, Antioquia, Colombia)', Acta Limnologica Brasiliensiahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-975X2012000200009. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The thickness of the photic zone of these communities spans 8 to 30 mm.
CECILIA DEMERGASSO, GUILLERMO CHONG, PEDRO GALLEGUILLOS, LORENA ESCUDERO, MAIRA MARTíNEZ-ALONSO,ISABEL ESTEVE 2003, 'Tapetes microbianos del Salar de Llamará, norte de Chile Microbial mats from the Llamarásalt flat, northern Chile', Revista Chilena de Historia Naturalhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2003000300012. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The inferred networks showed a reduction of edges in the deepest layer of the photic zone.
Mathias eMilici, Zhi-Luo eDeng1, Jürgen eTomasch, Johan eDecelle, Melissa eWos-Oxley,Hui eWang, Ruy eJáuregui, Iris ePlumeier, Helge-Ansgar eGiebel, Thomas eBadewien,Masha eWurst, Dietmar ePieper, Meinhard eSimon, Irene eWagner-Doebler 2016, 'Co-occurrence analysis of microbial taxa in the Atlantic Ocean reveals high connectivityin the free-living bacterioplankton', Frontiers in Microbiologyhttp://journal.frontiersin.org/Journal/10.3389/fmicb.2016.00649/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Benthic communities below the photic zone depend for food on allochthonous organic matter derived from seasonal phytoplankton blooms.
Agnes M L Karlson, Elena Gorokhova, Ragnar Elmgren 2014, 'Nitrogen fixed by cyanobacteria is utilized by deposit-feeders.', PLoS ONEhttp://europepmc.org/articles/PMC4126700?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In the photic zone of oceanic and coastal waters, underwater optical communication systems are exposed by remaining sunlight.
Jan Sticklus, Martin Hieronymi, Peter Adam Hoeher 2018, 'Effects and Constraints of Optical Filtering on Ambient Light Suppression in LED-BasedUnderwater Communications', Sensorshttps://www.mdpi.com/1424-8220/18/11/3710. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Benthic deep-sea prokaryotes have crucial roles in this ecosystem, with their recycling of organic matter from the photic zone.
Donato Giovannelli, Massimiliano Molari, Giuseppe d'Errico, Elisa Baldrighi, ClaudiaPala, Elena Manini 2013, 'Large-Scale Distribution and Activity of Prokaryotes in Deep-Sea Surface Sedimentsof the Mediterranean Sea and the Adjacent Atlantic Ocean', PLoS ONE10.1371/journal.pone.0072996. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In addition, conditions of photic zone euxinia are often found to occur during concretion formation in marine environments.
Kliti Grice, Alex I. Holman, Chloe Plet, Madison Tripp 2019, 'Fossilised Biomolecules and Biomarkers in Carbonate Concretions from Konservat-Lagerstätten',Mineralshttp://www.mdpi.com/2075-163X/9/3/158. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Maximums of nitrite, dissolved oxygen and occasionally ammonium are found within the photic zone, close to the deep chlorophyll maximum.
Mariona Segura-Noguera, Antoni Cruzado, Dolors Blasco 2016, 'The biogeochemistry of nutrients, dissolved oxygen and chlorophyll a in theCatalan Sea (NW Mediterranean Sea)', Scientia Marinahttp://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/1656. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
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更新时间：2025/3/14 12:26:36