Effects of Mangrove Zonation and the Physicochemical Parameters of Soil on the Distribution of Macrobenthic Fauna in Kadolkele Mangrove Forest, a Tropical Mangrove Forest in Sri Lanka
Table 5
The total and relative abundance of the epifaunal taxa recorded from the 3 mangrove zones in Kadolkele mangrove forest ( = 12 quadrate samples from each mangrove zone).
Total abundance in each zone
Phylum
Genus/species
Relative abundance (%) in parenthesis
Total abundance (3 zones)
Relative abundance (%)
Rhizophora zone
Avicennia zone
Lumnitzera zone
Mollusca
Cassidula nucleus (nucleus Cassidula snail)
784 (69.81)
0 (0.00)
0 (0.00)
784
36.88
Melampus fasciatus (banded melampus snail)
50 (4.45)
0 (0.00)
0 (0.00)
50
2.35
Arthropoda
Clibanarius longitarsus (hermit crab)
17 (1.51)
0 (0.00)
0 (0.00)
17
0.80
Episesarma versicolor (violet vinegar crab)
22 (1.96)
52 (20.23)
0 (0.00)
74
3.48
Sesarma guttatum
18 (1.60)
0 (0.00)
572 (76.68)
590
27.75
Unidentified crab species
22 (1.97)
0 (0.00)
0 (0.00)
22
1.03
Sesarma smithii
0 (0.00)
83 (32.3)
0 (0.00)
83
3.91
Oecophylla smaragdina (dimiya)
49 (4.36)
0 (0.00)
0 (0.00)
49
2.30
Paratrechina longicornis (black ant)
26 (2.32)
116 (45.14)
11 (1.47)
153
7.20
Solenopsis geminata (Red tropical fire ant)
133 (11.84)
5 (1.94)
162 (21.72)
300
14.11
Tetragnatha viridorufa (common long jawed orb weaver)