What is a coast and its importance - Iczmpwb.org

What is a coast and its importance - Iczmpwb.org What is a coast and its importance - Iczmpwb.org

03.05.2015 Views

Coral Associate: Echinoderm diversity in A&N Islands Species composition: World: 7000 species, India: 765 species A&N Is.: 432 species, 244 genera and 86 families Zone Family Genera Species Sp. Diversity(H’) South Andaman 19 36 58 4.17 Little Andaman 7 15 28 3.12 Ritchie’s Archipelago 14 25 47 3.64 Middle Andaman 5 18 35 3.45 North Andaman 4 20 42 3.60 Car Nicobar Island 5 14 22 2.86 Nancowry Islands 8 18 34 3.19 Great Nicobar Is. 9 22 39 3.50 TOTAL 51 159 340 4.37

Density (No./10 sq.m.) of Echinoderms in A&N Islands 70 60 50 40 30 20 57.32 44.42 54.28 40.13 36.2 21.03 32.72 21.33 10 0

Coral Associate: Echinoderm diversity in A&N Isl<strong>and</strong>s<br />

Species composition:<br />

World: 7000 species, India: 765 species<br />

A&N Is.: 432 species, 244 genera <strong>and</strong> 86 families<br />

Zone Family Genera Species Sp. Diversity(H’)<br />

South Andaman 19 36 58 4.17<br />

Little Andaman 7 15 28 3.12<br />

Ritchie’s<br />

Archipelago<br />

14 25 47 3.64<br />

Middle Andaman 5 18 35 3.45<br />

North Andaman 4 20 42 3.60<br />

Car Nicobar Isl<strong>and</strong> 5 14 22 2.86<br />

Nancowry Isl<strong>and</strong>s 8 18 34 3.19<br />

Great Nicobar Is. 9 22 39 3.50<br />

TOTAL 51 159 340 4.37

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