Thursday, September 4, 2008
HI!!
Although corals seem to appear almost everywhere, they actually need some specific habitat requirements.
They are:
1.Reef- building corals are generally found at depths of less than 46 m, where sunlight penetrates. Because reef- building corals have a symbiotic relationship with a type of microscopic algae, sunlight is necessary for these corals to thrive and grow.
2.Reefs tend to grow faster in clear water. Clear water allows light to reach the symbiotic algae living within the coral polyp's tissue.
3.Reef-building corals require warm ocean temperatures ( 20 to 28 C).
4.Reef development is generally more abundant in areas that are subject to strong wave action. Waves carry food, nutrients, and oxygen to the reef, distribute coral larvae and prevent sediment from settling on the coral reef.
5.Precipitation of calcium from the water is necessary to form a coral polyp's skeleton. This precipitation occurs when water temperature and salinity are high and carbon dioxide concentrations are low. These conditions are typical of shallow, warm tropical waters.
6.Most corals grow on a hard substrate.
Well, there you have it,what corals really need to survive.
THENGHUI
Adapted fromhttp://www.seaworld.org/infobooks/Coral/habdiscr.html
7:35 PM
KIMBERLEY, ESTHER, THENG HUI.
What we want to become in the future: Marine biologists! :DD
Kuo Chuan Presbyterian Primary School.
Primary 6Execellence.
Teacher in charge : Ms Suhana A Hamid.
We hope everyone out there can support us by preserving the corals and also taking some time to read our posts about saving them, and helping us stop the destruction of the reefs!
click this picture to visit the IYOR website!
International Year of the Reef 2008
The ICRI International Year of the Reef 2008 is a worldwide campaign to raise awareness about the value and importance of coral reefs and threats to their sustainability,
and to motivate people to take action to protect them.
All individuals, corporations, schools, governments, and organizations are welcome and actively encouraged to participate in IYOR 2008.
Free chat widget @ ShoutMix
What we want to become in the future: Marine biologists! :DD
Kuo Chuan Presbyterian Primary School.
Primary 6Execellence.
Teacher in charge : Ms Suhana A Hamid.
We hope everyone out there can support us by preserving the corals and also taking some time to read our posts about saving them, and helping us stop the destruction of the reefs!
click this picture to visit the IYOR website!
International Year of the Reef 2008The ICRI International Year of the Reef 2008 is a worldwide campaign to raise awareness about the value and importance of coral reefs and threats to their sustainability,
and to motivate people to take action to protect them.
All individuals, corporations, schools, governments, and organizations are welcome and actively encouraged to participate in IYOR 2008.
Free chat widget @ ShoutMix
Global warming puts HALF of th reefs at risk! :O
Some of our friend's sites!
Some of our friend's sites!
ABEL'S GROUP BLOG.
JETHRO, JON, ETHAN'S GROUP BLOG.
CHANGMING'S GROUP BLOG.
JANSEN'S GROUP BLOG.
Help save th corals!
The nature convervancy.
July 2008
August 2008
September 2008
October 2008
Host: Blogger
Layout © thebikiniboy
JETHRO, JON, ETHAN'S GROUP BLOG.
CHANGMING'S GROUP BLOG.
JANSEN'S GROUP BLOG.
Help save th corals!
The nature convervancy.
July 2008
August 2008
September 2008
October 2008
Host: Blogger
Layout © thebikiniboy