Table 1: Distribution and density of earthworm


Earthworm
Family / species 		Forest habitats
-----------------------------------

 Agricultural habitats
-------------------------------------------

 Residential habitats
-------------------------------------
DE
DIF
DINF
PL
G
R
S
C
 M
H
SERS
SRS
Average
Glossoscolecidae
Pontoscolex corethrurus

55.6

0.0

0.0

182.4

100.9

30.6

0.0

62.0

106.5

70.4

148.2

99.1

71.3
Megasclecidae
Amynthas alexandri
 Amynthas corticis

0.9
0.0

0.0
0.0

0.0
0.0

0.0
0.0

3.7
0.9

0.0
0.0

2.8
0.0

1.9
0.0

0.0
0.0

1.9
0.0

0.9
0.0

2.8
0.0

1.2
0.1
Amynthas tokioensis
Species-group
 Amynthas sp 1
Amynthas sp 2
 Metaphire bahli
Metaphire houlleti
Metaphire peguana
Metaphire planata
Metaphire posthuma
Polypheretime elongata

0.9
0.0
3.7
0.0
3.7
0.0
0.0
0.0
0.0

0.0
27.8
0.0
0.0
0.0
6.5
0.0
0.0
0.0

0.0
2.8
6.5
0.0
0.0
6.5
0.9
0.0
0.0

0.0
0.0
0.0
0.0
0.9
0.0
0.0
0.0
0.0

0.0
0.0
0.0
0.0
0.0
0.9
0.0
4.6
0.0

0.0
3.7
0.0
0.0
8.3
0.0
37.0
18.5
0.0

0.0
0.0
0.0
12.0
13.0
0.0
34.3
31.5
65.7

0.0
1.9
0.0
0.0
7.4
0.9
19.4
0.9
0.0

0.0
0.0
0.0
23.2
0.0
2.8
11.1
2.8
0.0

0.0
0.0
0.0
13.9
0.0
0.0
4.6
35.2
0.0

0.0
0.0
0.0
36.1
0.0
50.0
0.0
0.0
0.0

0.0
0.0
0.0
33.3
0.9
13.0
37.0
0.9
0.0

0.1
3.1
0.8
9.9
2.9
6.7
12.0
7.9
5.5
Moniligastridae
Drawida beddardi
Drawida sp 1
Drawida sp 2
Octochaetidae
Dichogaster affinis
Dichogaster modiglianii
Dichogaster bolaui

16.7
0.0
0.0
0.0
1.9
11.1
0.0

0.0
0.0
0.0
0.0
0.0
0.0
2.8

1.9
0.0
0.0
0.0
16.7
0.0
0.0

2.8
0.0
0.0
0.0
1.9
7.4
0.0

28.7
0.0
0.0
0.0
17.6
24.1
0.0

0.0
7.4
4.6
0.0
0.9
0.9
0.0

0.9
0.0
0.0
0.0
4.6
0.0
0.0

0.0
11.1
0.0
0.0
1.9
3.7
0.0

2.8
0.0
0.0
0.0
0.0
0.0
0.0

0.9
0.0
0.0
0.0
0.0
0.0
0.0

17.6
0.0
22.2
0.0
7.4
2.8
0.0

2.8
0.0
0.0
0.0
2.8
1.9
0.0

6.3
1.5
2.2
0.0
4.6
4.3
0.2
Ocnerdrilidae
Gordiodrilus elegans
 Juvenile and unknown

0.0
1.9

0.0
0.0

0.0
0.0

0.0
0.9

0.0
13.0

0.0
14.8

0.0
8.3

0.0
2.8

0.0
4.6

132.4
10.2

0.0
5.6

0.0
10.2

11.0
6.0

DE = dry evergreen forest, DIF = dry dipterocarp forest-fired, DINF = dry dipterocarp forest-non fired, PL = forest plantation,
G = grass land, M = mango plantation, S = sugarcane plantation, C = cassava plantation, R = rice paddy, H = household area,
SERS = SERS office building area and SRS = office building area of Sakaerat Silvicultural Research Station


                          
Table 2: Species Distribution and evenness of earthworms in different habitats



Index
 Forest habitats
-----------------------------------------------

 Agricultural habitats
---------------------------------

 Residential habitats
------------------------------------
DE
DIF
DINF
PL
G
R
S
C
 M
H
SERS
SRS
Species richness
Eveness
Species Diversity ('H)
8.00
0.64
1.33
3.00
0.65
0.72
6.00
0.80
1.43
5.00
0.59
0.96
8.00
0.68
1.41
9.00
0.78
1.71
8.00
0.77
1.60
10.00
0.63
1.45
6.00
0.67
1.20
6.00
0.67
1.20
8.00
0.70
1.45
11.00
0.62
1.50

DE = dry evergreen forest, DIF = dry dipterocarp forest-fired, DINF = dry dipterocarp forest-non fired, PL = forest plantation,
G = grass land, M = mango plantation, S = sugarcane plantation, C = cassava plantation, R = rice paddy, H = household area,
SERS = SERS office building area and SRS = office building area of Sakaerat Silvicultural Research Station

 

Table 3: The Earthworm Density in Sakaerat Environmental Research Station and Adjacent Areas, 2006



Area
types
June
-----------------------------------

 Agricultural habitats
------------------------------------------

 Residential habitats
------------------------------------
Ind/m2
S.E
Ind/m2
S.E
Ind/m2
S.E.
Average
DE
DIF
DINF
PL
G
R
S
C
M
H
SERS
SRS
Average
47.2
16.7
8.3
111.1
94.4
111.1
250.0
130.6
175.0
94.4
8.3
72.2
93.3

32.8
16.7
8.3
29.8
29.6
44.7
124.9
65.2
98.6
40.2
8.3
54.5
17.6

163.9
33.3
0.0
194.4
258.3
130.6
169.4
105.6
113.9
133.3
262.8
150.0
142.1
36.7
19.8
0.0
79.2
24.2
27.4
78.5
44.1
65.6
63.5
183.4
50.2
21.1
77.78c
61.11c
97.22c
283.33bc
230.56bc
138.89bc
100.00bc
105.56c
172.22c
183.33bc
611.11a
358.33b
201.6
32.7
21.5
41.4
139.4
11.5
26.6
45.8
18.4
95.2
54.9
120.4
112.9
28.8
96.3
37.0
35.2
196.3
194.4
126.9
173.2
113.9
153.7
137.0
290.7
193.5
145.7

DE = dry evergreen forest, DIF = dry dipterocarp forest-fired, DINF = dry dipterocarp forest-non fired, PL = forest plantation,
G = grass land, M = mango plantation, S = sugarcane plantation, C = cassava plantation, R = rice paddy, H = household area,
SERS = SERS office building area and SRS = office building area of Sakaerat Silvicultural Research Station


World Applied Sciences Journal 6 (2): 221-226, 2009

The Diversity and Distribution of Terrestrial Earthworms in
Sakaerat Environmental Research Station and Adjacent Areas,
Nakhon Ratchasima, Thailand

Pattana Somniyam and Pongthep Suwanwaree