Coral in sentence

377 examples of Coral in a sentence

And this is something that is very unusual in today's coral reefs.

If we get all of the fish of a coral reef together and weigh them, this is what we would expect.

But you see here a big table coral that died and collapsed.

What we found in coral reefs is that the inverted pyramid is the equivalent of the Serengeti, with five lions per wildebeest.

But at least on coral reefs are systems where there is a bottom component with structure.

I was led to this question while studying coral reefs, which support millions of people through fisheries and tourism here in Africa and around the world.

But coral reefs depend on fish that perform a critical job by eating algae.

Because if left unchecked, these algae can kill coral and take over entire coral reefs, a costly change that is difficult or impossible to reverse.

So my colleagues and I put massive video camera stands in a coral reef to remotely monitor entire feeding grounds that produce a lot of algae but are exposed to predators.

And our analyses indicate that fish simply copying other fish in their social network could account for over 60 percent of the algae eaten by the fish community, and thus could be critical to the flow of energy and resources through coral reef ecosystems.

But these findings also suggest that overfishing, a common problem in coral reefs, not only removes fish, but it could break up the social network of remaining fish, which may hide more and eat less algae because they're missing critical information.

And this would make coral reefs more vulnerable than we currently predict.

So remarkably, fish social networks allow the actions of one to spread to many and could affect entire coral reefs, which feed millions of us and support the global economy for all of us.

Now, our discovery points us towards better ways to sustainably manage coral reefs, but it also shows us, we humans are not just affected by the actions of other humans, but we could be affected by the actions of individual fish on a distant coral reef through their simple copying behavior.

Coral reefs are growing slower in some places because of this problem.

Yes, coral reef systems.

Biodiverse, low-nutrient, hard coral systems under multiple pressures of overfishing, unsustainable tourism, climate change.

This is a Brain Coral living in Tobago that's around 2,000 years old.

And you'll see, there's some damage to the surface of the coral.

And aside from coral, the answer is no.

This is a bleached coral, coral that died during the 1982-'83 El Nino.

And so, when a coral colony is killed by an El Nino event, it leaves this indelible record.

So one of the things thought of in the '80s was to go back and take cores of coral heads throughout the Galapagos and find out how often was there a devastating event.

This coral is eight meters tall, right.

Now, Sylvia Earle turned me on to this exact same coral.

And we started working on it, and we figured out we could tell the temperature of the ancient ocean from analyzing a coral like this.

You can see some of the coral cores there on the right.

And so now you can walk through a coral reef without getting wet.

If you go on the ground there, it looks like this, and this is the grandaddy coral.

And that coral was growing happily in those shallow waters, until 1954, when the earthquake happened.

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