highly significantP < 0.001
Highly significant differences ( P < 0.001) were observed between samples collected in 2008 and samples from all the sampling dates of 2009 with values ranging from 0.103 to 0.180 ( Table 3 ).
Highly significant differences ( P < 0.001) were observed between samples collected in 2008 and samples from all the sampling dates of 2009 with values ranging from 0.103 to 0.180 ( Table 3 ).