Species
|
Location
|
n
|
H
|
Hd ± SD
|
π
|
θ
|
Tajima’s D statistic
|
Fu’s Fs statistic
|
---|
B. globosus
|
Overall
|
166
|
12
|
0.514 ± 0.046
|
0.002
|
0.008
|
− 2.136*
|
− 3.604
|
Chihuri C
|
32
|
6
|
0.637 ± 0.076
|
0.003
|
0.009
|
− 2.307**
|
0.397
|
Site 1
|
8
|
2
|
0.250 ± 0.180
|
0.000
|
0.001
|
− 1.055
|
− 0.182
|
Site 2
|
8
|
3
|
0.464 ± 0.200
|
0.001
|
0.001
|
− 1.310
|
− 0.999
|
Site 3
|
8
|
2
|
0.536 ± 0.123
|
0.001
|
0.001
|
1.167
|
0.866
|
Site 4
|
8
|
4
|
0.786 ± 0.113
|
0.010
|
0.014
|
− 1.466
|
2.726
|
Kaziro C
|
19
|
3
|
0.374 ± 0.130
|
0.001
|
0.001
|
− 0.729
|
− 0.671
|
Site 7
|
7
|
1
|
0
|
0
|
–
|
–
|
–
|
Site 8
|
4
|
2
|
0.500 ± 0.265
|
0.001
|
0.001
|
− 0.612
|
0.172
|
Site 9
|
8
|
3
|
0.607 ± 0.164
|
0.001
|
0.001
|
− 0.448
|
− 0.478
|
Mupfure C
|
98
|
10
|
0.558 ± 0.057
|
0.002
|
0.009
|
− 2.202**
|
− 2.108
|
Site 5
|
10
|
3
|
0.644 ± 0.101
|
0.002
|
0.002
|
− 0.356
|
0.390
|
Site 6
|
9
|
4
|
0.583 ± 0.183
|
0.001
|
0.002
|
− 1.610
|
− 1.283
|
Site 10
|
8
|
3
|
0.714 ± 0.123
|
0.014
|
0.013
|
0.675
|
6.022
|
Site 11
|
8
|
3
|
0.679 ± 0.122
|
0.001
|
0.001
|
0.069
|
− 0.224
|
Site 12
|
7
|
2
|
0.476 ± 0.171
|
0.001
|
0.001
|
0.559
|
0.589
|
Site 13
|
8
|
4
|
0.643 ± 0.184
|
0.001
|
0.002
|
− 1.448
|
− 1.832
|
Site 14
|
8
|
2
|
0.250 ± 0.180
|
0.000
|
0.001
|
− 1.055
|
− 0.182
|
Site 15
|
8
|
3
|
0.607 ± 0.164
|
0.001
|
0.001
|
− 0.448
|
− 0.478
|
Site 16
|
8
|
3
|
0.464 ± 0.200
|
0.001
|
0.002
|
− 1.448
|
− 0.305
|
Site 17
|
8
|
2
|
0.250 ± 0.180
|
0.000
|
0.001
|
− 1.055
|
− 0.182
|
Site 18
|
8
|
2
|
0.571 ± 0.094
|
0.001
|
0.001
|
1.444
|
0.966
|
Site 19
|
8
|
2
|
0.250 ± 0.180
|
0.000
|
0.001
|
− 1.055
|
− 0.182
|
Nduna C
|
17
|
1
|
0
|
0
|
–
|
–
|
–
|
Site 20
|
4
|
1
|
0
|
0
|
–
|
–
|
–
|
Site 21
|
5
|
1
|
0
|
0
|
–
|
–
|
–
|
Site 22
|
8
|
1
|
0
|
0
|
–
|
–
|
–
|
B. truncatus
|
Overall
|
16
|
3
|
0.575 ± 0.080
|
0.017
|
0.012
|
1.617
|
11.547
|
Nyamaruru R
|
1
|
1
|
0
|
0
|
–
|
–
|
–
|
Mupfure R
|
7
|
3
|
0.286 ± 0.196
|
0.005
|
0.007
|
− 1.610*
|
4.273
|
Kamoyo S
|
8
|
1
|
0
|
0
|
–
|
–
|
–
|
- Abbreviations: n, number of sequences, h, number of unique haplotypes per site; Hd, haplotype diversity; π, nucleotide diversity; θ, theta per site; C, Community; R, River; S, Stream; SD, standard deviation
- *P < 0.05, **P < 0.01