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1. www.reefsandals.it › itReef Italia - Sito Ufficiale

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   Reef Italia - Sito Ufficiale. Nuova Collezione Primavera Estate | Spedizione gratuita. MEN Ù. Uomo. Collezioni ...

2. www.reef.comREEF® Sandals, Shoes, Boots & Apparel | Free Shipping over $65

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   Shop surf-inspired men's and women's REEF sandals, shoes & clothing for beach and active lifestyle. Free Shipping over $65. Product quality guaranteed.

3. Video

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     51:21

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     The Spectacular Underwater World of Coral Reefs

     28 ott. 2022

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     2:58

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     Great Barrier Reef | BBC Select

     1 nov. 2023

     11.9K visualizzazioni

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     7:33

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     How Scientists Are Restoring The Great Barrier Reef | Travel + Leisure

     5 dic. 2019

     731.6K visualizzazioni

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4. www.reef.eu › enReef.eu the official Reef online store

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   Order the REEF collection online at the official Reef online store. Free and fast shipping for orders above €50!

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5. mondomaldive.it › it › barriera-corallinaBarriera Corallina ( Reef ) alle isole Maldive - MondoMaldive

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   La Barriera corallina alle isole Maldive. Le barriere coralline o reef sono strutture costituite dal resti di piccoli organismi marini, principalmente un gruppo di madrepore coloniali definite coralli calcarei o coralli duri. I reef corallini occupano circa 300.000 kmq nei mari poco profondi di tutto il mondo, essendo cresciuti gradualmente via ...

6. en.wikipedia.org › wiki › Coral_reefCoral reef - Wikipedia

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   A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups. Coral belongs to the class Anthozoa in the animal phylum Cnidaria, which includes sea anemones ...

7. www.nationalgeographic.org › article › coral-reefsCoral Reefs - National Geographic Society

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   19 ott 2023 · In Australia’s Great Barrier Reef, coral calcification has declined 14.2 percent since 1990—a large, rapid decline that hasn’t been seen for 400 years. Ocean acidification also occurs because of rising carbon dioxide (CO2) levels. The ocean absorbs carbon dioxide released into the atmosphere.

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9. www.nationalgeographic.org › encyclopedia › reefReef - National Geographic Society

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   19 ott 2023 · A reef is a ridge of material at or near the surface of the ocean. Reefs can occur naturally. Natural reefs are made of rocks or the skeletons of small animals called corals. Reefs can also be artificial—created by human beings. People create reefs for three chief reasons.