What's the difference between reef and shoal?

Reef


Definition:

  • (n.) A chain or range of rocks lying at or near the surface of the water. See Coral reefs, under Coral.
  • (n.) A large vein of auriferous quartz; -- so called in Australia. Hence, any body of rock yielding valuable ore.
  • (v. t.) That part of a sail which is taken in or let out by means of the reef points, in order to adapt the size of the sail to the force of the wind.
  • (v. t.) To reduce the extent of (as a sail) by roiling or folding a certain portion of it and making it fast to the yard or spar.

Example Sentences:

  • (1) One of the main users is coastal planning organizations and conservation organizations that are working on coral reefs.
  • (2) It is resilient, but like all reefs around the world, it is also facing challenges.
  • (3) What are the major threats that face the world's coral reefs and what more needs to be done to protect them?
  • (4) Greg Hunt , the environment minister, said he will use the existing Great Barrier Reef Marine Park Authority act to “put in place this ban in legislative form”.
  • (5) World Wildlife Fund Great Barrier Reef campaigner Richard Leck said it was a sad day for the reef and anyone who cared about its future.
  • (6) But the Guardian can now reveal Australia will also need to report on how it is dealing with the current bleaching, where almost a quarter of the coral on the reef has been killed.
  • (7) The federal court is being asked to overturn the environment minister, Greg Hunt’s approval of Indian company Adani’s $16.5bn Queensland coalmine because he did not take into account the impact on the Great Barrier Reef of the greenhouse gases emitted when the coal is burned.
  • (8) But it welcomed Australia’s 2050 long-term sustainability plan for the reef , which includes an 80% cut in water pollution by 2025 and an extra $200m (AUD) to accelerate that progress in the next five years.
  • (9) Guillermo Diaz-Pulido, a Griffith University associate professor, said the research was “a major step forward in understanding how seaweeds can harm corals and has important implications for comprehending the consequences of increased carbon dioxide emissions on the health of the Great Barrier Reef”.
  • (10) Warming water will make it hard for many of the reef’s corals to survive, while the acidification of the oceans will hinder the ability of remaining corals to form their skeletons.
  • (11) A recent study suggests that coral disease is doubled when dredging occurs near reefs, although supporters of the dredging have repeatedly insisted it can be done safely and that the Abbot Point sediment will be dumped around 40km from the nearest reef.
  • (12) This process hinders the ability of corals to produce the skeletal building blocks of reefs.
  • (13) So are you optimistic then about the future survival of the world's coral reefs in the long term?
  • (14) They want to send a very clear message to China that they are serious about this.” Facebook Twitter Pinterest This image from the US navy purportedly shows Chinese dredging vessels in the waters around Mischief reef in the disputed Spratly archipelago in May 2015.
  • (15) He can come any time he likes, he’s absolutely welcome to come to Australia, to come to Queensland and to come to the Great Barrier Reef,” she said in Brisbane.
  • (16) Facebook Twitter Pinterest Coral bleaching on the Great Barrier Reef worse than for decades The photos were taken from around Lizard Island by Lyle Vale from Coral Watch at the University of Queensland .
  • (17) The prime minister has been urging all Australians to remain calm in the face of increased terrorism threats,” said the society’s reef campaign director, Felicity Wishart.
  • (18) So we looked at the economic contribution of tourists to that area and compared it with the cost of interventions to improve water quality and coral reef health in that area.
  • (19) Chinese authorities said earlier they had monitored, followed and warned US warship USS Lassen as it “illegally” entered waters near the disputed reefs, and urged Washington to “immediately correct its mistake”.
  • (20) It was the fourth mass bleaching to hit the reef in recorded history – all since 1998 – and coral scientists are alarmed the increasing regularity of these events gives stressed coral precious little chance to recover.

Shoal


Definition:

  • (n.) A great multitude assembled; a crowd; a throng; -- said especially of fish; as, a shoal of bass.
  • (v. i.) To assemble in a multitude; to throng; as, the fishes shoaled about the place.
  • (a.) Having little depth; shallow; as, shoal water.
  • (n.) A place where the water of a sea, lake, river, pond, etc., is shallow; a shallow.
  • (n.) A sandbank or bar which makes the water shoal.
  • (v. i.) To become shallow; as, the color of the water shows where it shoals.
  • (v. t.) To cause to become more shallow; to come to a more shallow part of; as, a ship shoals her water by advancing into that which is less deep.

Example Sentences:

  • (1) China and the Philippines had a tense maritime standoff at a shoal west of the main Philippine island of Luzon early this year.
  • (2) Among their choicest memories from last year, they tell me, are watching shoals of goldfish swim down their street, and coming home to find Derrick's model boat collection bobbing on the deluge.
  • (3) Philippine fishing vessels are back in the waters of Scarborough Shoal.
  • (4) Christian Rynning-Tønnesen, chief executive of Statkraft, the Norwegian power utility that has invested in Sheringham Shoal, said the UK's wind resources and regulatory regime made it the most attractive location in Europe for offshore wind investors.
  • (5) As additional criteria the shoaling behaviour of the fishes is quantified and evaluated by the system.
  • (6) The MCS said the best choice now is Cornish mackerel caught by "hand-line", with British, European or Norwegian mackerel that is "pelagic-caught" – caught in shoals – as the best alternative.
  • (7) The people of Great Britain, with the co-ordination of a shoal of mullet, didn’t just put the Lewisham and Greenwich choir in with a bullet, they made sure to buy enough of Bieber’s own work that his generous spirit would be rewarded with chart spots two, three and five.
  • (8) But now, of course, everyone's doing it – and if you can really contemplate spending an entire evening out of your painfully short life watching Ocean Colour Scene plod through Moseley Shoals then, honestly, get some help.
  • (9) Last week, a shoal of headlines further indicated that for our young (and the United Nations defines "young" as under 25), the report card continues to read: "Could do very much better."
  • (10) Manila regards Second Thomas Shoal, which lies 105 nautical miles (195 km) southwest of the Philippine region of Palawan, as being within its 200-nautical mile exclusive economic zone.
  • (11) Isolated individuals detached from the shoals become immobile from the moment in which they separate from the bacterial group they belonged to ("immunobilization reaction").
  • (12) Davey attended the opening of the UK's latest offshore windfarm off the north Norfolk coast on Thursday, a £1.2bn projected called Sheringham Shoal .
  • (13) It was like a horror movie … he kept trying to talk,” Shoals said.
  • (14) He was widely regarded as having the right experience, deft touch and nous to navigate the shoals and shifting currents of continental politics that would buffet the British ship of state as it left its European berth.
  • (15) The highly automated system allows to quantify and assess changes in the behaviour patterns of a small shoal of test fishes.
  • (16) He saw a shoal of porpoises and a stormy petrel skimming over the waves and read "Humboldt's glowing accounts of tropical scenery.
  • (17) His team has seen humpbacks “lunge feeding”, where the whales rise up under giant shoals and take hundreds of thousands of pounds of fish into their mouths in one gulp, filtering out the seawater through their baleen grills and swallowing the fish.
  • (18) The film was shot near coral reefs that fringe the tiny Pescador Island where huge shoals of sardines draw sharks to the area.
  • (19) The Philippine navy is quietly reinforcing the hull and deck of a rusting ship it ran aground on a disputed South China Sea reef in 1999 to stop it breaking apart, determined to hold the shoal as Beijing creates a string of man-made islands nearby.
  • (20) If there are more bilateral negotiations between China and other claimants then a Trump administration, heavily occupied with North Korea and Isis, won’t be elevating disputes over shoals and reefs in south-east Asia.