|
Grouped data (n = 30)
| |
Dry season survey (n = 10)
| |
Rainy season survey (n = 10)
| |
Norte season survey (n = 10)
| |
---|
|
Beta
|
p
|
Beta
|
p
|
Beta
|
p
|
Beta
|
p
|
---|
Number of taxa
|
R
2 = 0.62; p = 0.0002
| |
R
2 = 0.21, p = 0.180
|
R
2 = 0.12; p = 0.267
| |
R
2 = 0.19; p = 0.196
| |
Intercept
|
225.30 ± 66.40
|
0.003
|
55.09 ± 91.50
|
0.566
|
143.41 ± 119.32
|
0.269
|
59.93 ± 0.83
|
0.434
|
Chlorophyll b
|
22.54 ± 5.26
|
0.000
|
22.09 ± 12.70
|
0.126
|
13.68 ± 8.95
|
0.170
|
11.02 ± 10.36
|
0.323
|
pH
|
−166.17 ± 45.60
|
0.002
|
−51.98 ± 98.05
|
0.612
|
−146.16 ± 130.97
|
0.301
|
−46.33 ± 60.83
|
0.471
|
Diversity
|
R
2 = 0.44; p = 0.0025
|
R
2 = 0.41; p = 0.180
|
R
2 = 0.00; p = 0.72
|
R
2 = 0.06; p = 0.245
|
Intercept
|
6.07 ± 2.46
|
0.022
|
−0.65 ± 0.46
|
0.194
|
0.44 ± 0.27
|
0.146
|
−0.43 ± 0.63
|
0.507
|
Transparency
|
0.39 ± 0.13
|
0.005
|
0.59 ± 0.25
|
0.046
|
0.06 ± 0.15
|
0.710
|
0.48 ± 0.38
|
0.245
|
Zooplankton
|
R
2 = 0.40; p = 0.011
|
R
2 = 0.16; p = 0.291
|
R
2 = 0.54; p = 0.055
|
R
2 = 0.76; p = 0.026
|
Intercept
|
5.88 ± 13.63
|
0.671
|
12.39 ± 3.97
|
0.021
|
4.94 ± 1.13
|
0.005
|
11.60 ± 3.10
|
0.010
|
Transparency
|
−3.23 ± 0.74
|
0.000
|
−3.10 ± 1.74
|
0.125
|
−0.63 ± 0.70
|
0.402
|
−5.32 ± 1.64
|
0.017
|
Chlorophyll b
|
−3.22 ± 1.11
|
0.009
|
−3.82 ± 2.67
|
0.203
|
−3.82 ± 1.12
|
0.015
|
−0.68 ± 2.48
|
0.793
|
Salinity
|
1.45 ± 0.60
|
0.024
|
−1.11 ± 1.47
|
0.476
|
1.45 ± 1.27
|
0.296
|
0.79 ± 0.77
|
0.344
|
Copepods
|
R
2 = 0.39; p = 0.012
|
R
2 = 0.20; p = 0.255
|
R
2 = 0.74; p = 0.010
|
R
2 = 0.63; p = 0.029
|
Intercept
|
17.93 ± 7.62
|
0.028
|
9.85 ± 3.49
|
0.030
|
5.33 ± 0.97
|
0.002
|
13.12 ± 3.30
|
0.007
|
Transparency
|
−3.27 ± 0.78
|
0.000
|
−3.15 ± 1.73
|
0.118
|
−0.79 ± 0.61
|
0.242
|
−5.53 ± 1.73
|
0.019
|
Chlorophyll b
|
−3.97 ± 1.20
|
0.003
|
-3.81 ± 2.42
|
0.166
|
-4.78 ± 0.95
|
0.002
|
-7.50 ± 6.97
|
0.323
|
Chlorophyll a
|
3.03 ± 1.09
|
0.012
|
3.14 ± 3.55
|
0.411
|
2.26 ± 0.89
|
0.044
|
6.06 ± 6.42
|
0.382
|
Nauplii
|
R
2 = 0.38; p = 0.015
|
R
2 = 0.21; p = 0.249
|
R
2 = 0.66; p = 0.022
|
R
2 = 0.75; p = 0.031
|
Intercept
|
15.03 ± 7.89
|
0.071
|
8.61 ± 3.60
|
0.054
|
4.05 ± 1.15
|
0.013
|
11.55 ± 3.39
|
0.014
|
Transparency
|
−3.39 ± 0.81
|
0.000
|
−3.39 ± 1.78
|
0.106
|
−1.00 ± 0.72
|
0.216
|
−5.55 ± 1.78
|
0.020
|
Chlorophyll b
|
−3.96 ± 1.24
|
0.004
|
−3.77 ± 2.50
|
0.181
|
−4.70 ± 1.12
|
0.006
|
6.59 ± 6.60
|
0.357
|
Chlorophyll a
|
2.87 ± 1.13
|
0.019
|
3.10 ± 3.67
|
0.430
|
2.12 ± 1.05
|
0.091
|
−8.00 ± 7.17
|
0.307
|
Acartia tonsa
|
R
2 = 0.52; p = 0.001
|
R
2 = 0.00; p = 0.577
|
R
2 = 0.10; p = 0.445
|
R
2 = 0.00; p = 0.831
|
Intercept
|
14.27 ± 5.38
|
0.015
|
47.35 ± 47.53
|
0.376
|
−4.06 ± 20.21
|
0.851
|
−1.96 ± 5.87
|
0.755
|
Salinity
|
1.72 ± 0.44
|
0.001
|
−4.42 ± 3.69
|
0.296
|
−1.68 ± 2.08
|
0.465
|
0.23 ± 0.42
|
0.610
|
Chlorophyll a
|
2.23 ± 0.72
|
0.005
|
−3.97 ± 2.92
|
0.245
|
2.78 ± 1.54
|
0.145
|
0.23 ± 2.39
|
0.929
|
Chlorophyll b
|
−2.16 ± 0.77
|
0.011
|
1.97 ± 5.37
|
0.732
|
−1.53 ± 1.21
|
0.276
|
0.57 ± 2.62
|
0.840
|
pH
|
−14.00 ± 5.57
|
0.020
|
−44.55 ± 44.90
|
0.377
|
6.42 ± 23.21
|
0.796
|
1.98 ± 5.96
|
0.757
|
Transparency
|
−1.22 ± 0.52
|
0.028
|
2.46 ± 2.13
|
0.312
|
−0.60 ± 0.81
|
0.500
|
−0.14 ± 0.67
|
0.847
|
Marine Rotifers
|
R
2 = 0.30; p = 0.033
|
R
2 = 0.22; p = 0.170
|
R
2 = 0.56; p = 0.022
|
R
2 = 0.00; p = 0.528
|
Intercept
|
−31.44 ± 17.10
|
0.080
|
−90.35 ± 58.55
|
0.167
|
81.78 ± 22.95
|
0.009
|
−24.28 ± 26.44
|
0.389
|
Salinity
|
2.04 ± 0.79
|
0.017
|
3.90 ± 2.35
|
0.140
|
2.76 ± 1.56
|
0.120
|
16.65 ± 18.37
|
0.395
|
Temperature
|
25.31 ± 12.19
|
0.050
|
61.63 ± 41.21
|
0.178
|
−57.75 ± 16.62
|
0.010
|
1.22 ± 1.10
|
0.303
|
Feshw. rotifers
|
R
2 = 0.50; p = 0.003
|
R
2 = 0.69; p = 0.018
|
R
2 = 0.00; p = 0.726
|
R
2 = 0.76; p = 0.008
|
Intercept
|
50.94 ± 15.57
|
0.004
|
53.31 ± 30.04
|
0.126
|
22.52 ± 22.41
|
0.354
|
10.25 ± 8.45
|
0.270
|
Chlorophyll b
|
4.39 ± 1.23
|
0.002
|
3.17 ± 3.29
|
0.372
|
1.04 ± 3.43
|
0.772
|
5.06 ± 1.44
|
0.013
|
pH
|
−30.40 ± 11.39
|
0.015
|
−54.96 ± 31.01
|
0.127
|
−24.07 ± 24.62
|
0.366
|
−11.59 ± 8.67
|
0.230
|
Chlorophyll c
|
−1.79 ± 0.79
|
0.036
|
−3.18 ± 1.40
|
0.064
|
0.11 ± 3.36
|
0.974
|
1.21 ± 3.73
|
0.757
|
- Equation parameters of the multiple linear regression models using forward stepwise method explaining the variations of the main zooplankton parameters. Significant p values (p < 0.05) are in bold characters.