Coral reefs are endangered due to rising global temperatures, pollution and overfishing. It is estimated that about 1/5 of all coral reefs on the planet have been destroyed. The re...
Coral reefs are diverse underwater ecosystems held together by calcium
carbonate structures secreted by corals. Coral reefs are built by colonies of tiny
Coral reefs are the most diverse of all marine ecosystems. They teem with life,
with perhaps one quarter of all ocean species depending on reefs for food and ...
They are usually either connected to the mainland or very close to the shore, separated by a semi-enclosed lagoon where deeper water lies.
Pesticides also make their way into the sea through crop field runoff, which increases the amount of nitrogen in the sea, causing ... More »
Coral reefs are some of the most diverse ecosystems in the world, housing tens
of thousands of marine species. About one-third of all marine fish species live ...
LOCATION: Coral reefs are generally found in clear, tropical oceans. Coral reefs
form in waters from the surface to about 150 feet (45 meters) deep because ...
The National Oceanic and Atmospheric Administration's (NOAA) Coral Reef
Conservation Program supports effective management and sound science to ...
Coral reefs are the foundation of many marine ecosystems—and they are in
Coral reefs are home to 25% of all marine life on the planet. In fact the variety of
life supported by coral reefs rivals that of the tropical forests of the Amazon or ...