Sentences with phrase «gambier deep reef»

The species doesn't respond well to bait and usually lingers in hard to reach areas like deep reefs, meaning each fish has to be speared by hand.

There's likely far more to discover in deeper reefs that rarely see human visitors.

«And because the deep reefs there are so unknown, even grabbing random invertebrates like we do, we find new species all the time.»

Divers from the California Academy of Sciences decompress after visiting a deep reef near Easter Island.

«Below the depths accessible using scuba gear and above the depths typically targeted by deep - diving submersibles, tropical deep reefs are productive ocean ecosystems that science has largely missed.

One of the new fish species discovered in the Rariphotic, Haptoclinus dropi was named for the Smithsonian's Deep Reef Observation Project.

And tropical deep reefs are not barren landscapes on the deep ocean floor: they are highly diverse ecosystems that warrant further study.

Very little is known about deep reefs which are only observable using submersibles.

Many researchers wonder if deeper reef areas, sometimes known as the «coral reef twilight zone,» might act as refuges for shallow - water organisms.

«It's estimated that 95 percent of the livable space on our planet is in the ocean,» said Carole Baldwin, curator of fishes at the Smithsonian's National Museum of Natural History, lead author of the study and director of the Smithsonian's Deep Reef Observation Project (DROP).

«New deep reef ocean zone, the rariphotic, teeming with new fish species: New zone comprises reef fishes — including numerous new species — That live well below shallow coral reefs.»

We hope that by naming the deep - reef rariphotic zone, we'll draw attention to the need to continue to explore deep reefs.»

The deeper reefs in the Flower Garden Banks National Marine Sanctuary, 100 miles off the coast of Texas in the Gulf of Mexico, are also in the crosshairs.

«On some of the deep reefs we surveyed, 100 percent of the fishes we recorded were endemic, meaning that they are all unique to the Hawaiian archipelago,» said Randall Kosaki Ph.D., NOAA's deputy superintendent of Papahanaumokuakea Marine National Monument and chief scientist of the expedition.

Deep reefs, which extend from depths of 150 to more than 1,000 feet, are underexplored ecosystems worldwide.

Researchers are now able to study deep reefs in the southern Caribbean because of the availability of the Curasub submersible, a privately owned, manned submersible capable of descending to 1,000 feet.

«We discover a new species of sea bass on Curacao deep reefs that just happens to be the missing adult stage of a larval fish from Florida, which we only knew existed because it was included as «decoration» in a scientific publication.

The work off Curacao resulting in the discovery of L. olneyi is part of the Smithsonian's Deep Reef Observation Project.

The research team collected sediments from four deep reef environments between 30 - 50 meters south of St. Thomas, U.S.Virgin Islands, and from two shallower water reef sites.

Both corals and algae depend on sunlight to drive photosynthesis, and the study attributed the existence of many of the deep reef habitats to exceptionally clear water.

«These findings opens the door for studying the geologic history of how these deep reefs evolved and responded to past environmental change,» said James Klaus, UM associate professor of geology and coauthor of the study.

A University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science - led research team analyzed the sediments of mesophotic coral reefs, deep reef communities living 30 - 150 meters below sea level, to understand how habitat diversity at these deeper depths may be recorded in the sedimentary record.

The food web supporting the fishes on deep reefs was studied using advanced stable isotope methods, which revealed small but important differences in the ecology of fish living on deep and shallow reefs.

More than seventy species of macroalgae inhabiting the deep reefs were identified during the study, and several more new species have not yet been assigned formal scientific names.

As part of the Deep Reef Observation Project (DROP), initiated by the Smithsonian Institution, a new goby fish species was discovered in the southern Caribbean.

His PhD, from the University of Miami Rosenstiel School of Marine and Atmospheric Science, was entitled Deep reef bioerosion and deposition: Sedimentology of mesophotic coral reefs in the U.S. Virgin Islands.

«The area of these deep reefs may in fact be quite large.

«We recommend acting quickly, because pressure to over-exploit deep reefs will inevitably grow as shallow reefs become almost universally degraded due to growing human population pressures and climate change,» says co-author Dr. John Guinotte from the Marine Conservation Institute.

The economic and conservation value of deeper reefs renders them worthy of protection in their own right, and safeguarding these habitats will also extend ongoing efforts in shallow water to protect reef species across their entire depth range.»

On the GBR recent surveys have revealed up to 20,000 square kilometres of deep reef — equal in size to the combined area of all the shallow reefs,» Dr. Bridge says.

At present very few of these deeper reef systems receive any form of protection around the world because reef management — where it exists — tends to focus on shallow reefs, the scientists say.

«Adopting a broader ecosystem - scale approach that incorporates deep reefs around the world would have multiple and long - term social and economic benefits.

But it says that deeper reef environments — 40 metres to 150 metres below the waves — could serve as a refuge for species driven from the shallows, although more research needs to be done to establish a role for these regions.

With so many self - published books (the low estimate we've heard this summer is 350,000 per year, the high end is 700,000)-- let alone a deep reef of traditional work being published all the time — the idea of «the readers are our gatekeepers» pretty much falls apart.

In Pemuteran, north - west Bali, we are still exploring the deeper reefs, and this would be a great time to join us and be part of that.

Reef dives are conducted at depths from 35 feet to beyond 100, and the mid-level to deeper reefs typically hold the most coral cover and fish life.

Divers looking to nitrogen load can get their fix on deeper reefs and walls, but the majority of sites — including the wrecks — sit at accommodating middle depths that allow for longer bottom times.

Named for its characteristic reef development, this dive site features a profile with two distinct reef zones over a distance of about 800 ft.. A shallow reef extends from sea level to 40 ft and a deeper reef begins at 70 ft, extending to more than 100 ft at the wall.

It has two types of reefs, a shallow reef that extends to 30 ft and a very wide, deep reef beginning at 40 ft and extending to 80 ft.. The shallow reef features mature elkhorn and huge masses of lettuce coral that look like loaves of bread densely covered with a growth of lettuce leaves.

Deeper reefs and some shipwrecks are still clearly visible from the surface.

There are more than 60 square miles of fringing and deep reefs surrounding the islands, and thanks to historically light diver traffic, there are many areas that are rarely visited or even unexplored.

This wave has a mellow wall and a quite deep reef, making it more suited to intermediate surfers.

The set up is like a point break with the first section being little steeper and softening up the further you get down the line.The deep reef and the obvious channel make this spot perfect for feeling out how to surf over a reef.

Marine biologist Johnny Gaskell recently revealed his latest discovery living in deep the reef, a giant blue hole located far offshore, according to Gaskell, «further than our normal Reef trips.»

But more advanced divers have access to deeper reefs.

Much of the deep reef is built by boulder, lettuce and large - cupped boulder coral and adorned by a variety of deepwater sea whips and rods.

If you are more impressed by size than variation in marine life, the deep reef is for you.

Deep reefs are dominated by huge large - cup boulder coral and elegant growths of deep water lace coral.

An interesting ecological adaptation to low light that you can look for on the deep reef is the development of skirts or platy growths among the boulder corals.

The deep reefs are seaward of a wide sand flat that features only a sparse cover of corals.