Site

June

July

August

September

October

November

S24

0.367^ab

0.243^abc

0.120^ab

0.860^d

1.600^c

0.983^c

S25

0.360^ab

0.230^a

0.103^a

0.230^b

0.360^b

0.360^b

S26

0.136^a

0.140^a

0.150^b

0.150^a

0.150^a

0.140^a

S27

0.330^ab

0.330^bc

0.330^c

0.323^c

0.320^b

0.323^b

S28

0.340^ab

0.353^bc

0.370^c

0.383^c

0.400^b

0.370^b

S29

0.450^b

0.393^c

0.343^c

0.343^c

0.343^b

0.393^b

SC30

0.137^ab

0.130^a

0.170^a

0.132^a

0.140^a

0.141^a