highly significantp < 0.001
Similarly, DO exhibited highly significant differences ( p < 0.001) in nearly all seasonal contrasts for each river, with the only non-significant result being for ZH river between dry and wet seasons ( p = 0.316).
Similarly, DO exhibited highly significant differences ( p < 0.001) in nearly all seasonal contrasts for each river, with the only non-significant result being for ZH river between dry and wet seasons ( p = 0.316).