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File:Great Barrier Reef ESA378130.jpg

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English: The Copernicus Sentinel-2A satellite takes us over part of the Great Barrier Reef off Australia’s northeast coast on 1 April 2017.

Extending more than 2000 km and covering an area of some 350 000 sq km, it is the planet's biggest single structure made by living organisms, called coral polyps. Despite its name, it is not  a single reef but contains nearly 3000 different reefs. The reef is home to over 1500 tropical fish species, 400 types of coral, more than 200 species of bird, 5000 species of mollusc, 500 species of seaweed and six species of sea turtle. It is also a breeding area for humpback whales. In recognition of its significance, the reef was made a UNESCO World Heritage Site in 1981 and is the world’s most protected marine area. Coral reefs worldwide are increasingly under threat from coral bleaching. This happens when algae living in the corals’ tissues, which capture the Sun’s energy and are essential to coral survival, are expelled owing to high water temperatures. The whitening coral may die, with subsequent effects on the reef ecosystem, and thus fisheries, regional tourism and coastal protection.

The corals of the Great Barrier Reef have now suffered two bleaching events in successive years. Experts are very concerned about the capacity for reef survival under the increased frequency of these global warming-induced events.
Date
Source http://www.esa.int/spaceinimages/Images/2017/06/Great_Barrier_Reef
Author European Space Agency
Permission
(Reusing this file)		 contains modified Copernicus Sentinel data (2017), processed by ESA,CC BY-SA 3.0 IGO
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Title
InfoField
Great Barrier Reef
Set
InfoField
Earth observation image of the week
System
InfoField
Copernicus
Mission
InfoField
Sentinel-2
Location
InfoField
Australia
Activity
InfoField
Observing the Earth
Keywords
InfoField
Coral Reef; Satellite image

Licensing edit

w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 IGO license.
You are free:
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Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
© This image contains data from a satellite in the Copernicus Programme, such as Sentinel-1, Sentinel-2 or Sentinel-3. Attribution is required when using this image.
Attribution: Contains modified Copernicus Sentinel data {{{year}}}

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Date/TimeThumbnailDimensionsUserComment
current18:33, 31 December 2020Thumbnail for version as of 18:33, 31 December 20209,045 × 7,945 (86.42 MB)StellarHalo (talk | contribs)higher resolution
18:11, 14 June 2017Thumbnail for version as of 18:11, 14 June 20171,920 × 1,687 (1.87 MB)Fæ (talk | contribs)European Space Agency, Id 378130, http://www.esa.int/spaceinimages/Images/2017/06/Great_Barrier_Reef, User:Fæ/Project_list/ESA

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