8/6/2019 - Coral Reefs

1/10

.

PAD

8/6/2019 - Coral Reefs

2/10

. - CORAL REEFS

2

. , 25 .. , ..

..

.

1. 50 , , (coral reefs ) , ,.

. , , .. ..

.. .. .. .. .

8/6/2019 - Coral Reefs

3/10

. - CORAL REEFS

3

2. (Coral Reefs) , . (Aquariuam) ., .

, . , , . , .

. , . , , , .

3. .

. . . . .

8/6/2019 - Coral Reefs

4/10

. - CORAL REEFS

4

4,000 .

. !

. ,

""

-

. , ,

, , , .

. ,

, () .

, , , .

, ,?

() ; , . ,

8/6/2019 - Coral Reefs

5/10

. - CORAL REEFS

5

Consist of many small polyps living together in a colony. A

single polyp has a cube shaped body with a mouth

surrounded by tentacles. Polyps feed during night.

. , , , ,.

4. Cnidaria. , , . , , . (Planula).

,,

, , . . .

, . (C02)) (Ca) (CaCo3)

, . . .

8/6/2019 - Coral Reefs

6/10

. - CORAL REEFS

6

.

. .

. 100 . . .

5. , ( ) . .

() , , , ,

/ . , ' ..

6. .

.

. . ,

8/6/2019 - Coral Reefs

7/10

. - CORAL REEFS

7

. , (.. )

, , , , . . ,

.

. , . , , .

, , , , , . , , ,

.

, ., . (3.5%). . 50 . ; ; 18 () .

. ; . , . .

. . . .

.

,

; . , , ., , . . .

8/6/2019 - Coral Reefs

8/10

. - CORAL REEFS

8

. . .,

, , . . , , , . .

7. . . 250

.

. . ?

. , , , , (

. ) . 20 , 24 . 50

, . .

704 231 . 1998

8/6/2019 - Coral Reefs

9/10

. - CORAL REEFS

9

13 .

.

8. . .

.. ,

,

.

13 (Mangroves)117 (Corals)12 (Sea grass)217 (Birds)5 (Turtiles)4 (Dolphins)6 (Whales) (Sea Cow)450 (Fishes79 Crustaceans108 Sponges100 Echinoderms

8/6/2019 - Coral Reefs

10/10

. - CORAL REEFS

10

..

9. , . . , .

.

..

(coral reefs )

, . , (..

)

?

http://www.athirady.info/?p=119692&sess=ebc15cf5e4b6be2e1d58dd5a0f0fa898http://www.athirady.info/?p=119692&sess=ebc15cf5e4b6be2e1d58dd5a0f0fa898http://www.athirady.info/?p=119692&sess=ebc15cf5e4b6be2e1d58dd5a0f0fa898http://www.athirady.info/?p=119692&sess=ebc15cf5e4b6be2e1d58dd5a0f0fa898http://www.athirady.info/?p=119692&sess=ebc15cf5e4b6be2e1d58dd5a0f0fa898http://keetru.com/science/environment/Gurumoorthy_16.phphttp://keetru.com/science/environment/Gurumoorthy_16.phphttp://www.yarl.com/forum3/index.php?showtopic=41428http://www.yarl.com/forum3/index.php?showtopic=41428http://www.yarl.com/forum3/index.php?showtopic=41428http://www.yarl.com/forum3/index.php?showtopic=41428http://thamizharkaalvaai.blogspot.com/2005/10/blog-post.htmlhttp://thamizharkaalvaai.blogspot.com/2005/10/blog-post.htmlhttp://thamizharkaalvaai.blogspot.com/2005/10/blog-post.htmlhttp://thamizharkaalvaai.blogspot.com/2005/10/blog-post.htmlhttp://thamizharkaalvaai.blogspot.com/2005/10/blog-post.htmlhttp://thamizharkaalvaai.blogspot.com/2005/10/blog-post.htmlhttp://thamizharkaalvaai.blogspot.com/2005/10/blog-post.htmlhttp://kurangumudi.blogspot.com/2006/11/coral-reef.htmlhttp://kurangumudi.blogspot.com/2006/11/coral-reef.htmlhttp://kurangumudi.blogspot.com/2006/11/coral-reef.htmlhttp://kurangumudi.blogspot.com/2006/11/coral-reef.htmlhttp://thamizharkaalvaai.blogspot.com/2005/10/blog-post.htmlhttp://thamizharkaalvaai.blogspot.com/2005/10/blog-post.htmlhttp://www.yarl.com/forum3/index.php?showtopic=41428http://keetru.com/science/environment/Gurumoorthy_16.phphttp://www.athirady.info/?p=119692&sess=ebc15cf5e4b6be2e1d58dd5a0f0fa898