Environmental Engineering Reference
In-Depth Information
Table 10.4
(continued)
Islands of Ritchie's archipelago
John
Lawrence
Henry
Lawrence Inglis
South
Button
North
Button
Middle
Button
Sl. No.
Species name
Havelock
Outram
Neil
15.
Diplacodes nebulosa
(Fabricius)
√
√
√
16.
Lathrecista asiatica
asiatica
(Fabricius)
√
17.
Neurothemis fl uctuans
(Fabricius)
√
√
√
√
18.
Neurothemis intermedia
intermedia
(Rambur)
√
√
19.
Orthetrum chrysis
(Selys)
√
20.
Orthetrum pruinosum
neglectum
(Rambur)
√
√
21.
Orthetrum sabina sabina
(Drury)
√
√
√
√
√
√
22.
Pantala fl avescens
(Fabricius)
√
√
√
√
√
23.
Tremea limbata similiata
(Rambur)
24.
Trithemis aurora
(Burmeister)
√
√
25.
Trithemis festiva
(Rambur)
√
√
√
26.
Acisoma panorpoides
panorpoides
(Rambur)
√
√
√
27.
Potamarcha congener
(Rambur)
√
√
√
√
√
28.
Cratilla lineata
(Brauer)
29.
Rhyothemis variegata
variegata
(Linnaeus)
√
√
√
√
√
30.
Tholymis tillarga
(Fabricius)
√
√
√
31.
Zyxomma petiolatum
(Rambur)
√
√
√
√
Table 10.5
Diversity indices of odonates in Ritchie's archipelago
Islands
R
1
R
2
λ
H
′
N
1
N
2
E
1
E
2
Havelock
5.58
2.77
0.04
3.08
21.69
23.75
0.94
0.83
John Lawrence
3.58
2.12
0.06
2.59
13.32
15.82
0.96
0.89
Henry Lawrence
2.81
1.86
0.09
2.26
9.61
11.55
0.94
0.87
Inglis
1.21
0.96
0.25
1.41
4.11
4.00
0.88
0.82
South Button
0.87
0.95
0.24
1.09
2.97
4.13
0.99
0.99
North Button
1.34
1.12
0.19
1.49
4.43
5.25
0.92
0.89
Middle Button
0.46
0.67
0.40
0.69
1.99
2.50
0.99
0.99
Outram
1.04
0.94
0.26
1.26
3.52
3.85
0.91
0.88
Neil
3.09
2.03
0.08
2.34
10.40
12.49
0.94
0.87
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