JAMAICA 21º 00 N 21˚00 - agrra.org · reefs. Live stony coral cover averaged
பவளப் பாறைகள் - Coral Reefs
-
Upload
srengasamy -
Category
Documents
-
view
224 -
download
0
Transcript of பவளப் பாறைகள் - Coral Reefs
-
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