Sentences with phrase «as elkhorn»

On the sightseeing and snorkeling tour you will enjoy beautiful sights of spectacular corals, such as elkhorn coral, sheet coral, grooved brain coral, finger corals and many more.

Our first dive of the day happened in Melissas Garden, one of the archipelagos most extensive hard coral garden, formed of species such as elkhorn, staghorn, elephant ear, and others.

Not exact matches

Two Atlantic Ocean coral species — elkhorn and staghorn — are listed as «threatened» under the Endangered Species Act, and NOAA is considering whether an additional 82 coral species also warrant some level of protection under the law because of threats from warming water, ocean acidification and pollution.

Like all living museums in the sea, the Kidd shipwreck protects biological resources — most notably, relatively large populations of elkhorn and staghorn coral — as well as archaeological resources.

Often emerging above this 50 metre canopy are hoop pines (Araucaria cunninghamii) and kauri pines (Agathis robusta) as well as creepers, massive birds» nest ferns, elkhorns and, occasionally, native orchids.

Staghorn, elkhorn, brain and lettuce coral are all here in abundance, as are gorgonian sea fans of pale green, deep purple and red that add to the riot of colors and shapes.

Colonies of these polyps form the reef structure growing in strange and exotic shapes from which the different varieties of corals take their popular names, such as brain coral, staghorn coral and elkhorn coral.

Swim through crystal waters teeming with fish such as angelfish and sergeant majors, and drift over coral reefs dotted with delicate elkhorn and fan corals.

The next generation of polyps uses these skeletons, eventually resulting into these amazing shaped structures we now know amongst others as staghorn, elkhorn, brain, mushroom and pillar corals.

As for the third dive we stopped by Friwinbonda and its wall covered in sponges and soft coral that continues along a slope that add to the mix some hard coral, like tables, staghorn and elkhorn.

Two coral species, elkhorn and staghorn, were listed as threatened in 2006.

Many studies have demonstrated the risks that ocean acidification pose to marine organisms, such as coral dissolving in more acidic water.6 However, new findings suggest that the August and September time period could be particularly challenging for the earliest life stage of elkhorn coral — an important reef - forming coral of the Caribbean — if we continue on a path of high carbon dioxide emissions.5 Ordinarily each August or September elkhorn corals flood the water with eggs and sperm (gametes) for sexual reproduction.2

As their name suggests, elkhorn coral (Acropora palmata) grow in a branching pattern similar to the horns of an elk.

In 2005, during the hottest average decade on record, 8 low - wind conditions known as «the doldrums» combined with very high ocean temperatures to cause massive coral bleaching in the Virgin Islands.9 This was followed by a particularly severe outbreak of at least five coral diseases in the Virgin Islands, resulting in a decline in coral cover of about 60 percent.9 There is some indication that higher ocean temperatures — between 86 and 95 degrees Fahrenheit (30 to 35 degrees Celsius)-- promote optimal growth of several coral pathogens.9 Other research showed that elkhorn coral post-bleaching had larger disease lesions than unbleached specimens, suggesting that bleaching may increase the corals» susceptibility to disease.9, 10

Specimens of elkhorn coral living in water with excess carbon dioxide have been studied for fertilization rates, ability of larvae to settle on reef substrate (where they produce new corals), and subsequent growth and survival.3 Three levels of carbon dioxide were tested, corresponding to concentrations today, at mid-century, and at the end of the century on a high - emissions path.3, 5 At the mid-century concentration, the ability of fertilization to occur and for larvae to settle successfully on the reef was significantly reduced: around 52 percent, and the decline intensified to about 73 percent at the late - century concentration.3 The corals» ability to survive over the long run declined as well, by an average of 39 percent and 50 percent respectively.3, 4

Once the dominant reef builder of the Caribbean Sea, elkhorn coral (Acropora palmata) can be found as far north as Florida and as far south as Venezuela.2 It typically lives on the side of the reef facing the open ocean, thereby taking the brunt of waves kicked up during storms and protecting communities on the nearby shoreline.

First, if the elkhorn coral is often naturally damaged during storms, as the team stated, then it is likely a species more adapted to take hold via transplanting, since this is something it would have had to do without human help in order to survive as a species.