Sentences with phrase «over the reef in»

Professor Ranasinghe comments: «Plans are under - way to investigate the wave attenuation characteristics over the reef in more detail, using sophisticated numerical modelling.

Scuba dive with manta rays and moray eels, glide over the reef in a glass - bottomed boat or see starfish, sea urchins, clams and corals exposed at low tide.

SIR has the only safe and stable Bungalow over the Reef in all of Bali or Lombok.

Paddle out from the same entry point as Plantations surf spot, through a break in the rocks along the shoreline, or paddle straight out over the reef in front of the break.

Not exact matches

To counteract this, the Australian government has announced its largest - ever investment in the coral reef: over half a billion Australian dollars ($ 378 million).

You could call it that, all right, when you saw how the tides clashed with the wind over the shallow reefs round Blasket, and the long - toothed rocks came clear out with the sea running back off them, and the black sleek heads of the brave seals bobbing in the swells.

Were a bit shorthanded on Monday Night but still managed to earn a 2 - 1 W over Team Reef can get 6 points in the Standings.

This past winter, in the last hour of my last afternoon on Banner Reef, 20 black frigate birds came from the east, like dark messengers from the past, and hung in the sky over the expedition boat.

With over 200 stickers of sparkly mermaid tails, friendly sea creatures, shell jewellery and seaweed skirts to add as the mermaids swim in a coral reef, ride seahorses, find treasure and more.

To determine how SGD affects these processes, the research team outplanted small pieces of lobe coral on the reef flat in areas with a range of SGD and measured the changes in size over a six - month period.

The effect is like sandblasting — the waves carry sand and debris, such as bits of broken coral, onto the reefs, striking them over and over again,» says Howard Lasker, PhD, professor of geology in the UB College of Arts and Sciences.

The pair found distinct changes in corals on the margins of the Caribbean reefs over millions of years, while samples taken from central locations were static.

Back in the lab, they will analyze the mosaics to see how the reefs are changing over time, and how the variation of ocean conditions and human activities impact each reef.

Take a night - time dive over a coral reef in the Philippines and you may well see a nautilus or two.

Rather than spreading out over the ocean floor, these cone - shaped creatures lived in crowded colonies, which hid their vulnerable body parts from predators — an ecological dynamic that occurs in modern reefs.

Bronte Tilbrook at CSIRO in Hobart, Tasmania, Australia, measured the concentration of aragonite — a form of calcium carbonate used by some creatures to build shells — at over 200 locations on the reef.

WCS has been working in the northwest of Madagascar for over 10 years to create marine protected areas to protect marine turtles and other important marine ecosystems and species including coral reefs, seagrasses, dugongs and sharks and rays.

Habitat refugia in which coral reefs have remained stable over time played a key role in preserving tropical marine fish biodiversity, a study highlights.

This would mean that, compared to other living coral systems, such as the Pacific atolls of Enewetak and Bikini, which have accumulated over more than 45 million years, the Great Barrier Reef is an infant in geological terms.

«Harvey runoff menaces Texas» coral reefs: Saline levels dropped 10 percent in one day over parts of Flower Garden Banks.»

For more than three billion years the mats captured and precipitated sediments, building reefs over a hundred metres high and hundreds of kilometres long, and changing in composition and complexity as new forms of life appeared.

«We are particularly interested in finding out how much carbon is being turned over by a reef — and by that I mean the whole reef community.

As waves break and reduce in height over reefs, this drives currents that are very important for the transport of nutrients and larvae.

To understand why the long - spined urchins have not returned to the reef more than 30 years later, Scripps scientists Katie Cramer and Dick Norris analyzed the amount of fossilized urchin spines that accumulated in reef sediment layers over the past 3,000 years to paint a picture of life on the reef before it was altered from the disease outbreak and human activities such as fishing and pollution.

When carbon dioxide, CO2, from the atmosphere is absorbed by the ocean, it forms carbonic acid (the same thing that makes soda fizz), making the ocean more acidic and decreasing the ocean's pH. This increase in acidity makes it more difficult for many marine organisms to grow their shells and skeletons, and threatens coral reefs the world over.

«We're now at a point where we've lost close to half of the corals in shallow - water habitats across the northern two - thirds of the Great Barrier Reef due to back - to - back bleaching over two consecutive years,» said Prof Sean Connolly of Coral CoE at James Cook University.

«We are in the midst of a major environmental change that will continue to stress corals over the coming decades, so the lesson from this study is that there are these systems such as coral reefs that are sensitive to environmental change and can go through this kind of wholesale collapse in response to these environmental changes,» Cobb said.

The Great Barrier Reef has already experienced a 50 percent decline in coral cover over the last 27 years, in large part due to nutrient runoff from the coasts.

«The problem now that coral reefs all over the world are facing is that there are more disturbances that were not here in the past, and that can impair the ability of the reef to recover as it was able to do in the past.»

Biologists had already observed this interaction in living systems — a coral reef whose millions of tightly networked members could communicate data about weather over hundreds of miles and a slime mold whose millions of member cells, spread out over acres, could coalesce and take organized action for survival at a moment's notice.

Australian scientists have been in open disagreement since 1991 over whether nutrients washed into the sea in fertiliser runoff and sewage pose a danger to the reef and, if so, which nutrients cause the most damage.

Coral reefs, growing over the millenia on top of subsiding volcanic islands, now keep entire nations in the Pacific above the waves.

The cloud cover and wind from a cyclone that passed over this section of the reef in March may have brought down temperatures there, Baird says.

Videos of test dives in Fiji's Rainbow Reef show the robot skirting over coral beside fish that seem unfazed by the mechanical interloper.

Columbia took over Biosphere 2 (Biosphere 1 is Earth) in 1995 and did produce some science — most notably proof that increases in CO2 levels hinder coral - reef growth.

«What we often assume is that if we lose one species on a reef, there are many others that can step in and take over their job,» Professor Bellwood explains.

The floating rocks traveled more than 3,000 miles (5,000 km) over the next eight months, picking up more than 80 species of corals, anemones, barnacles, mollusks and crabs before ending up in the Great Barrier Reef and the coast of Australia, Bryan said.

Though the study included only a small number of sharks monitored over varying lengths of time, the findings may suggest that fish prey location may influence movements of their shark predators, and that group spawning events may shape ecosystem dynamics in deeper coral reefs.

The team surveyed 71 reefs, in three different regions of the Caribbean, over three years.

Over the past five years AIMS researchers have been studying the area, which is the only known CO2 seep site in coral reef ecosystems in the world.

As greenhouse gas pollution reshapes the invisible mosaic of seawater chemicals washing over Australia's Great Barrier Reef, corals there are being locked in escalating conflicts with each other for survival.

He has published over 100 papers in coral reef ecology, including major reviews and research papers on climate change impacts.

For example, on Heron Island Reef in the GBR, variations in pH and aragonite saturation state over one day were greater than the predicted changes in ocean chemistry globally by 2050.

However, with many of the known CWC reefs projected to be bathed in under - saturated water by the end of the century (Guinotte et al., 2006; Roberts et al., 2006) the accumulated biogenic reef structures will degrade over time, even if living corals persist (Hennige et al., 2015).

According to the paper published in the journal Science Advances, the newly discovered 3,600 sq mile (9,300 sq km) coral reef system contains over 73 species of fish, 60 species of sponges, spiny lobsters and other forms of reef life.

The projects aims to give us further knowledge in areas as diverse as coral reefs ecosystem, the dietary composition in wildlife and domestic animals over the last 50 000 years, the effects of antibiotic exposure on microbial ecosystems, and changes in biodiversity that might have an effect on or are affected by climate change.

The new study, published in Science, is the first to make a global estimate of how both the frequency and severity of coral reef bleaching have changed over the last 40 years.

«These temperatures are particularly extreme in regions when the tidal range is large when compared to the water depth over a reef, which can cause shallow water to «pond» within reefs for extended periods of time each day,» Lowe said in a statement.

The shallow coral reefs off Kahekili, West Maui, are exposed to nutrient - enriched, low - pH submarine groundwater discharge (SGD) and are particularly vulnerable to the compounding stressors from land - based sources of pollution and lower seawater pH. To constrain the carbonate chemistry system, nutrients and carbonate chemistry were measured along the Kahekili reef flat every 4 h over a 6 - day sampling period in March 2016.

In the late 1990s and from 2007 to 2009, two projects released coral larvae onto healthy reefs in mesh tents pitched over the seabeIn the late 1990s and from 2007 to 2009, two projects released coral larvae onto healthy reefs in mesh tents pitched over the seabein mesh tents pitched over the seabed.