Definition: 1. A submerged ridge of rock or coral near the surface of the water. 2. Lower and bring partially inboard. 3. Roll up (a portion of a sail) in order to reduce its area.
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Use 'reef' in a sentence:
1. The study asserts that this is compromising the Great Barrier Reef's ability to recover.
2. For example, during the 1960s, there was an outbreak of CoT starfish in the Great Barrier Reef, off the east coast of Australia.
3. The Xisha Islands are formed of coral reefs.
4. Over the years, there have been many attempts to revive coral reefs, some more successful than others.
5. Not only will the sunken plane revealing the perfect skeleton for artificial reef growth, tut authorities hope this new underwater attraction will bring tourists to the area.
6. A coral reef is built by the accretion of tiny, identical organisms.
7. That's the stark warning from Australian researchers about the health of the world's largest reef system.
8. These are often the lower areas of the reef, those located in deeper water, where temperatures are lower.
9. An unspoiled coral reef encloses the bay.
10. The New York Times reported that large parts are already dead, and the reef system might be gone by 2030.
11. Sebastian Ferse, coral reef researcher and ecologist.
12. Call these projects "stimulus", and suddenly, a ship headed for the reef of economic disaster might sail through congress flying the flag of economic recovery.
13. Out on the water flickering lights and soft-voiced choruses marked the fishers returning from the reef.
14. This involves moving young coral from a healthy reef onto a degraded reef, in an attempt to regenerate the degraded reef by encouraging young healthy coral to take over.
15. On the bright side, in all the research being done on causes, we have discovered something related to how starfish populations might affect coral reef diversity.
16. A quarter of all sea species spend at least a part of their life in a reef and many reefs are in cold or temperate waters.
17. More than 1,000 shipwrecks litter the coral reef ringing the islands.
18. Human life is like sailing on ships at sea at any time will be facing the wind wave, dangerous shoals reefs attacks.
19. Not only will the sunken plane create the perfect skeleton for artificial reef growth, but authorities hope this new underwater attraction will bring tourists to the area.
20. And rats, scientists found, dramatically reduce the health of a coral reef surrounding an infested3 island.
21. Fish are abundant about the reefs.
22. Only reefs stand alone immutably on the beach after a typhoon.
23. Recently, researchers have used data collected by monitoring surface water temperatures to improve the ability of a reef to recover from bleaching.
24. This isn't scuba diving now off the Great Barrier Reef, or something like that.
25. Although each project is on a relatively1 small scale, and all reefs are threatened by rising temperatures, scientists say it is worth trying everything to save as many as possible.
26. Finding Nemo was a film about a young clownfish called Nemo, who is stolen from his coral reef home.
27. The ship was wrecked on the hidden reef.
28. With coral reefs under threat from climate change, the scientists are now advocating rat eradication5 on islands around the world to protect some of the most diverse ecosystems6 in the ocean.
29. In my mind, it's these refugia that are the key components of overall reef resilience.
30. The pilot guided us through the dangerous reefs.
31. The researchers working on the archipelago found that rat-free islands' reefs were much healthier, with more and significantly larger fish.
32. But tourism is double-edged, for although it's boosting the country's economy, the Reef could be damaged.
33. "I would like to have seen more protection for coral reefs," says Terry Hughes, director of the Centre of Excellence for Coral Reef Studies at James Cook University in Queensland.
34. Natural disasters such as the earthquake that triggered the Indian Ocean tsunami in 2004 have also caused reef loss.
35. An unspoilt coral reef encloses the bay.
36. The ship was wrecked on a hidden reef.
37. Some reefs emerged after the tide ebbed.
38. On a coral reef in the Bonin Islands, an abandoned wormhole is home to a hermit crab.
39. There is little evidence that the storms have caused the enough reef damage to create a food shortage for these starfish.
40. The reef is dying.
41. The Islands are by shallow crystal clear lagoons enclosed by coral reefs.
42. See, when coral reefs experience bleaching, it's rarely a case of the whole reef being affected.
43. Snorkelling was amazing, daily seeing reef sharks, parrot fish and sting rays.
44. Our boat foundered on a reef.
45. Refugia are areas on the reef that are seemingly well resistant to bleaching.
46. One consequence for coral reefs is that the symbiosis between the corals and algae that constitute a living reef is breaking down.
47. With great difficulty, the fisherman manoeuvred his small craft close to the reef.
48. By killing4 seabirds, the rats deprive a reef of nutrient-rich seabird droppings that naturally fertilise it.
49. The motorboat cut across swift currents and skirted dangerous reefs.
50. Oil spills are having a devastating effect on coral reefs in the ocean.
51. The question now is whether reef-building corals have the capacity to adapt to those changes.
52. Princessfish are a species of coral-reef fish that are captured alive by divers who first stun the individual fish by squirting a certain poison at them.
53. The island is encircled by a coral reef.
54. Oil pollution could damage the fragile ecology of the coral reefs.
55. Drawing in adventure seekers and experienced divers, this new artificial Airbus reef will be a scuba diver's paradise.
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