246
Species diversity index as the proxy. Relative Abundance (RA or P i = Abundance of
a particular species/sum of the abundance of all species × 100) of the species is the
basis of estimating Shannon Weiner species diversity index, which has been estimated as per the expression:
H
P
P
s
= −
=
∑
i
i
i
1
log
Table 8.2 True mangroves in the Indian Sundarbans
Scientific name of true mangroves
Common name
Family
1. Acanthus ilicifolius
Haraguja, sea Holly
Acanthaceae
2. Acanthus volubilis
Lata haraguja
Acanthaceae
3. Aegiceros corniculatum
Khalsi
Myrsinaceae
4. Aegialitis rotundifolia
Satari, Tora
Plumbaginaceae
5. Amoora cucullata
Amur
Meliaceae
6. Avicennia alba
Kala baen
Avicenniaceae
7. Avicennia marina
Peara baen
Avicenniaceae
8. Avicennia officinalis
Sada baen
Avicenniaceae
9. Brownlowia tersa
Lata, Bola Sundari
Tiliaceae
10. Bruguiera cylindrica
Sona champa, Thushia
Rhizophoraceae
11. Bruguiera gymnorrhiza
Kankra, Natinga
Rhizophoraceae
12. Bruguiera parviflora
Champa, Kankra Bokul
Rhizophoraceae
13. Bruguiera sexangula
Banduri, Kankra
Rhizophoraceae
14. Ceriops decandra
Goran
Rhizophoraceae
15. Ceriops tagal
Mat Goran
Rhizophoraceae
16. Cynometra ramiflora
Shingara
Leguminosae
17. Derris trifoliate
Kalilata
Leguminosae
18. Derris umbrellatum
Panilata
Leguminosae
19. Excoecaria agallocha
Genwa, Blinding tree
Euphorbiaceae
20. Excoecaria bicolor
Genwa
Euphorbiaceae
21. Heritiera fomes
Sundari
Sterculiaceae
22. Hibiscus tortuosus
Paras
Malvaceae
23. Kandelia candel
Goria
Rhizophoraceae
24.Lumnitzera racemosa
Kripa
Combretaceae
25. Nypa fruticans
Golpata, water coconut
Arecaceae (Palmae)
26. Phoneix paludosa
Hetal, sea date palm
Arecaceae (Palmae)
27. Rhizophora apiculata
Garjan
Rhizophoraceae
28. Rhizophora mucronata
Garjan
Rhizophoraceae
29. Sonneratia apetala
Keora
Sonneratiaceae
30. Sonneratia caseolaris
Keora
Sonneratiaceae
31. Tamarix dioica
Nona Jhau
Tamaricaceae
32. Tamarix gallica
Nona Jhau
Tamaricaceae
33. Xylocarpus granatum
Dhundul,Pohar
Meliaceae
34. Xylocarpus mekongensis
Pitamari
Meliaceae
Source: Chaudhuri and Chaudhuri 1994
8 Mangroves: A Reservoir of Biodiversity
Species diversity index as the proxy. Relative Abundance (RA or P i = Abundance of
a particular species/sum of the abundance of all species × 100) of the species is the
basis of estimating Shannon Weiner species diversity index, which has been estimated as per the expression:
H
P
P
s
= −
=
∑
i
i
i
1
log
Table 8.2 True mangroves in the Indian Sundarbans
Scientific name of true mangroves
Common name
Family
1. Acanthus ilicifolius
Haraguja, sea Holly
Acanthaceae
2. Acanthus volubilis
Lata haraguja
Acanthaceae
3. Aegiceros corniculatum
Khalsi
Myrsinaceae
4. Aegialitis rotundifolia
Satari, Tora
Plumbaginaceae
5. Amoora cucullata
Amur
Meliaceae
6. Avicennia alba
Kala baen
Avicenniaceae
7. Avicennia marina
Peara baen
Avicenniaceae
8. Avicennia officinalis
Sada baen
Avicenniaceae
9. Brownlowia tersa
Lata, Bola Sundari
Tiliaceae
10. Bruguiera cylindrica
Sona champa, Thushia
Rhizophoraceae
11. Bruguiera gymnorrhiza
Kankra, Natinga
Rhizophoraceae
12. Bruguiera parviflora
Champa, Kankra Bokul
Rhizophoraceae
13. Bruguiera sexangula
Banduri, Kankra
Rhizophoraceae
14. Ceriops decandra
Goran
Rhizophoraceae
15. Ceriops tagal
Mat Goran
Rhizophoraceae
16. Cynometra ramiflora
Shingara
Leguminosae
17. Derris trifoliate
Kalilata
Leguminosae
18. Derris umbrellatum
Panilata
Leguminosae
19. Excoecaria agallocha
Genwa, Blinding tree
Euphorbiaceae
20. Excoecaria bicolor
Genwa
Euphorbiaceae
21. Heritiera fomes
Sundari
Sterculiaceae
22. Hibiscus tortuosus
Paras
Malvaceae
23. Kandelia candel
Goria
Rhizophoraceae
24.Lumnitzera racemosa
Kripa
Combretaceae
25. Nypa fruticans
Golpata, water coconut
Arecaceae (Palmae)
26. Phoneix paludosa
Hetal, sea date palm
Arecaceae (Palmae)
27. Rhizophora apiculata
Garjan
Rhizophoraceae
28. Rhizophora mucronata
Garjan
Rhizophoraceae
29. Sonneratia apetala
Keora
Sonneratiaceae
30. Sonneratia caseolaris
Keora
Sonneratiaceae
31. Tamarix dioica
Nona Jhau
Tamaricaceae
32. Tamarix gallica
Nona Jhau
Tamaricaceae
33. Xylocarpus granatum
Dhundul,Pohar
Meliaceae
34. Xylocarpus mekongensis
Pitamari
Meliaceae
Source: Chaudhuri and Chaudhuri 1994
8 Mangroves: A Reservoir of Biodiversity