Macroinvertebrate Richness Importance in Coastal Tropical Streams of Esmeraldas (Ecuador) and Its Use and Implications in Environmental Management Procedures
Table 2
Values of the metrics measured in each stream.
Attribute
(RV)
(Ca)
(T-I)
(T-II)
(T-III)
(T-IV)
(Tbz)
(Ch)
(EPb)
(EPa)
(Q)
(SF)
(M)
Measured richness
19
14
20
16
28
32
30
25
17
32
28
32
23
Family richness
15
13
16
13
22
24
22
19
15
26
21
22
20
Total abundance
156
196
640
156
263
385
445
142
108
597
220
791
269
Shannon-Wiener
4
2
3
3
4
4
4
4
3
4
4
3
4
BMWP/Col
104
84
115
78
159
179
153
134
91
183
130
145
141
ASPT
5
6
6
5
6
6
5
5
5
6
5
5
6
EPT richness
13
8
9
11
9
11
10
7
10
9
4
5
10
EPT (%)
7
4
9
8
9
11
13
11
5
10
9
10
10
Richness of Ephemeroptera
6
3
6
7
6
5
9
6
3
5
8
8
6
Richness of Trichoptera
1
1
3
1
2
5
4
4
2
5
1
2
4
Richness of Plecoptera
0
0
0
0
1
1
0
1
0
0
0
0
0
Richness of Odonata
2
3
1
1
2
4
3
3
3
4
4
3
2
Richness of Coleoptera
1
1
3
1
4
4
1
3
1
3
2
2
2
Percentage of Ephemeroptera
25
4
68
51
29
25
34
32
9
14
60
60
53
Percentage of Trichoptera
4
1
10
1
2
8
7
18
5
14
1
7
11
Percentage of Chironomidae
20
1
13
4
34
25
36
15
11
12
5
4
5
Percentage of Odonata
2
3
1
2
2
8
2
13
5
5
4
1
9
Percentage of Coleoptera
6
26
2
9
15
19
6
14
44
9
5
6
10
Percentage of Plecoptera
0
0
0
0
0
1
0
2
0
0
0
0
0
% R-Jack 2*
20
15
22
17
30
34
32
27
18
34
30
34
25
% R-Jack 2 is the percentage of richness measured in relation to the regional richness estimation (Jack 2 = 93 taxa). Abbreviations for study areas are as in Table 1.
