Chemical Parameter (Tons/Epilimnion)

1969-1984 (Mean (SD)

1985-2000 (mean (SD)

p value (S = Significant; NS = Not Significant

TP

32 (11)

31 (12)

0.4016 NS

TDP

17 (5.)

11 (5)

<0.0001 S

SRP

4 (2)

2 (2)

<0.0001 S

NH4

103 (121)

97 (1124)

0.5927 NS

NO3

126 (155)

148 216)

0.2852 NS

Kjidhal. Total

1069 (361)

680 (201)

<0.0001 S

Kjldhal. Dissolved

756 (237)

457 (130)

<0.0001 S

TN

1195 (418)

848 (357)

<0.0001 S

TIN

268 (214)

266 (250)

0.9234 NS

NORG

927 (350)

582 (195)

<0.0001 S