Thank you in advance, Exercise 2A: Geographic Range of Coral Reefs Describe the

Question

Thank you in advance, Exercise 2A: Geographic Range of Coral Reefs Describe the global distribution of coral reefs, include latitude and longitude of the range. What is the proximity of reefs to land and the open ocean? 1. 2. What does this implicate as the environmental conditions that coral reefs require? 3. What is the optimum temperature for coral reefs? 4. Will seasonal variations affect the health of coral reefs? Why or why not? 5. 6. 7. 8. What depth do coral reefs favor? Why? What is the optimum aragonite saturation level for coral reef formation? What is the lower limit of saturation that coral reefs will still form? Why is this mineral so important to the formation of coral reefs?

Explanation / Answer

1.majority of coral reefs found within tropical and subtropical waters.typically between 300 north and 300 south latitude.generally present near ocean water.located in tropical oceans near the equator.

2.coral reefs required clear water.they wont sustain when water is opaque.they require possible environment from which sunlight directly passes.

3.they can not tolerate water below 18 degree celsius.many grows in 23-29 degree celsius.

4.winter period of warm water temperature and low rainfall and summer period of balmy temperature and higher rainfall are requires season for there formnation

5. nearly 150 feet depth coral reef favors they may extend to 450 feet.

6.greater than 4 level of argonite saturation level is optimum for coral reef formation.

7.less than 3 level considered as extremely marginal.3-3.5 level are low.

8.aragonite is exactly in equilibrium or saturation when it is present in ocean water.

9.CaCo3 is argonite. and coral reef are made up of thin layer of calcium carbonate.

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