Table 2: One way ANOVA analysis and tukey comparisons: between sites, between months, between years, between site vs year, between site vs month vs year.
F-value |
|
|
|
|
|
Compound |
SITE |
MONTH |
YEAR |
SITEX YEAR
|
SITEXMONTHXYEAR |
|
|
|
|
|
|
H2O2 |
7.33** |
6.75** |
2.84 |
6.97*** |
15.43*** |
|
(a b b) |
( b a a) |
( a a) |
( a b b ) |
(a b c ) |
SOD |
3.53* |
3.26* |
7.87* |
3.34* |
8.37*** |
|
(a a b) |
(a b a) |
(b a) |
(a a b) |
(a b c) |
CAT |
11.8*** |
4.78** |
0.0033 |
4.57** |
38.33*** |
|
(a a b) |
(a b b) |
(a a) |
(a a b) |
(a b c) |
APX |
0.68 |
7.48** |
19.64*** |
4.3** |
49.27*** |
|
(a a a) |
(b b a) |
(b a) |
(a a b) |
(a b c) |
GR |
5.49** |
3.48* |
0.17 |
2.42* |
29.87*** |
|
(a b b) |
(a b b) |
(a a) |
(a a b) |
(b b a) |
GPX |
1.26 |
0.82 |
0.03 |
0.94 |
1.03 |
|
(a a a) |
(a a a) |
(a a) |
(a a a) |
(a a a) |
a*, ** and *** indicate significance at p < 0.05 with weak, moderate and highly significance
bLetters between parentheses show the differences among SITES, in the order P1, P2 and CTRL. Different letters denote a statistical difference with 95% confidence level (TUKEY test), with “a” being the highest concentration.