1. INTRODUCTION - India Environment Portal

Appendix 2a contd………
Sr.No.
Genera / Species
N1 N2 N3
Diatoms
Surface Bottom Surface Bottom Surface Bottom
41 Chaetoceros fragile - - + + + +
42 Chaetoceros glandaxii - - - + - -
43 Chaetoceros holsaticum + + + + + +
44 Chaetoceros ingolfianum - + - + + +
45 Chaetoceros lauderi + + + + + +
46 Chaetoceros laciniosus + + + + + +
47 Chaetoceros lorenzianus + + + + + +
48 Chaetoceros mitra + - - + + +
49 Chaetoceros messanense + + + + + +
50 Chaetoceros peruvianum - + + + + +
51 Chaetoceros perpusillum - - - - + -
52 Chaetoceros psuedocurvisetum + + + - + -
53 Chaetoceros psuedocrinitum + - - + -
54 Chaetoceros radicans - + + + + +
55 Chaetoceros seiricanthus - + - - - -
56 Chaetoceros simile + - - - - -
57 Chaetoceros subtile + + + + + +
58 Chaetoceros tetrastichon + - - - - +
59 Chaetoceros teres - + - - - +
60 Chaetoceros tortissimum + + + + + +
61 Chaetoceros wellei + + + + +
62 Chaetoceros wighami - + - + + +
63 Cocconies pseudomarginata - - - + +
64 Corethron criophilum + + + + + +
65 Coscinodiscus centralis + + + + + +
66 Coscinodiscus eccentricus - - - + + -
67 Coscinodiscus marginatus + - + - - +
68 Coscinodiscus nitidus + + - - + +
69 Coscinodiscus occulus - - - - + +
70 Coscinodiscus welsii - - - + - -
71 Cylinderotheca closterium + + + + - -
72 Detonula pimula + + + + + +
73 Ditylum brightwelli + + + + + +
74 Eucampia zodicus - + - + - -
75 Goentvedia elliptica + + - + - +
76 Hemiaulus sinensis + + + + + +
77 Leptocylindrus danicus + + + + + +
78 Leptocylindrus minimus + + + + + +
79 Navicula maculosa - - + - -- +
80 Navicula membranaceae + + + - + +
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