The Coral Reefs in the Dark Depths of the Sea

When you think about coral reefs, you probably imagine a sparkling tropical oasis that you can easily see while snorkeling or diving, but reefs can be found as deep as 8000 meters! As deep as they are, those reefs are still not immune to the effects of human activities, nor are we outside their sphere of influence.

Thumbnail credit: NOAA's National Ocean Service
Hosted by: Rose Bear Don't Walk

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Sources:
https://www.fisheries.noaa.gov/national/habitat-conservation/deep-sea-coral-habitat
https://ocean.si.edu/ecosystems/coral-reefs/deep-sea-corals
https://oceanservice.noaa.gov/education/tutorial_corals/coral02_zooxanthellae.html
https://oceanexplorer.noaa.gov/explorations/17sedci/background/coral-ecosystems/coral-ecosystems.html
https://marine-conservation.org/archive/mcbi/Deep-Sea%20Coral%20issue%20of%20Current.pdf
https://science.sciencemag.org/content/335/6072/1064
https://doi.org/10.1016/B978-0-12-394282-1.00002-8
https://doi.org/10.3389/fmars.2020.00310
https://doi.org/10.1186/s40168-019-0697-3
https://doi.org/10.1098/rspb.2017.0320
https://doi.org/10.3354/meps08245
https://doi.org/10.11646/zootaxa.4868.4.5
https://doi.org/10.2307/1542113
https://doi.org/10.1016/j.accre.2015.05.002
https://doi.org/10.3389/fmars.2020.00668
https://doi.org/10.3389/fmars.2018.00473
https://oceanservice.noaa.gov/facts/coral-jewelry.html
https://usa.oceana.org/bottom-trawling
https://doi.org/10.3354/meps08248
https://doi.org/10.1073/pnas.1403492111
https://doi.org/10.1073/pnas.1118029109
https://doi.org/10.1111/1365-2664.13141
https://doi.org/10.1016/j.dsr2.2014.10.021
https://doi.org/10.5670/oceanog.2014.supplement.01
https://doi.org/10.1016/S0025-3227(96)00086-2
https://doi.org/10.1351/PAC-CON-08-10-07
https://oceantoday.noaa.gov/medicinesfromthesea/
https://oceanservice.noaa.gov/facts/coral_medicine.html
https://www.pewtrusts.org/en/research-and-analysis/articles/2018/02/26/deep-sea-coral-ecosystems-may-hold-cancer-cures-but-face-threats

Images:
https://www.flickr.com/photos/40322276@N04/6641343439
https://ecogig.org/
https://www.oceaneering.com/
https://www.flickr.com/photos/40322276@N04/7222547336
https://photolib.noaa.gov/Collections/Voyage/Ocean-Exploration/Modern-Expeditions/OER/Gulf-2012/emodule/1423/eitem/90887
https://en.wikipedia.org/wiki/File:Zooxanthellae.jpg
https://www.eurekalert.org/multimedia/pub/94098.php
https://en.wikipedia.org/wiki/File:Paragorgia_arborea_NOAA.jpg
http://bit.ly/39PfbpR
http://bit.ly/3nYFD5r
http://bit.ly/3nYyJgh
https://en.wikipedia.org/wiki/File:Leiopathes_NOAA,_Haw%C3%A1i.jpg
https://en.wikipedia.org/wiki/File:Blackcoral_colony_600.jpg
https://en.wikipedia.org/wiki/File:Gorgonian.Mgiangrasso.jpg
https://oceanexplorer.noaa.gov/okeanos/explorations/ex1803/dailyupdates/media/apr19-3.html
https://oceanexplorer.noaa.gov/okeanos/explorations/ex1803/logs/photolog/welcome.html#cbpi=/okeanos/explorations/ex1803/logs/may3/media/seapen.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5745506/
https://www.eurekalert.org/multimedia/pub/225612.php?from=457139
https://oceanexplorer.noaa.gov/okeanos/explorations/ex1903/logs/july9/july9.html
https://en.wikipedia.org/wiki/File:Expl2009_(9664134839).jpg
https://commons.wikimedia.org/wiki/File:Corallium_rubrum_(Linnaeus,_1758)_4.jpg
https://commons.wikimedia.org/wiki/File:Brosch_av_korall,_del_av_garnityr_-_Hallwylska_museet_-_109864.tif
https://commons.wikimedia.org/wiki/File:FMIB_36649_Beam_Trawl.jpeg
https://commons.wikimedia.org/wiki/File:CoralBleaching.jpg
https://commons.wikimedia.org/wiki/File:Deepwater_Horizon_offshore_drilling_unit_on_fire_2010.jpg
https://photolib.noaa.gov/Collections/Voyage/Ocean-Exploration/Modern-Expeditions/OER/Lophelia-II/emodule/1420/eitem/94387
https://photolib.noaa.gov/Collections/Voyage/Ocean-Exploration/Modern-Expeditions/OER/Lophelia-II/emodule/1420/eitem/93630
https://commons.wikimedia.org/wiki/File:Pink_soft_coral_Nick_Hobgood.jpg
https://commons.wikimedia.org/wiki/File:Rockfish_red_tree_coral.png
https://commons.wikimedia.org/wiki/File:Paragorgia_arborea.jpg