Parameter

1970-1984

1985-2000

p:S = Significant; NS = Not Significant

Kjeldhal Dissolved

0.583 (0.157)

0.342 (0.076)

<0.0001 S

Kjeldhal Total

1.197 (0.341)

0.645 (0.092)

<0.0001 S

NH₄

0.129 (0.068)

0.100 (0.054)

0.1915 NS

NO₃

1.621 (0.363)

1.911 (0.348)

0.0308 S

N-Organic

1.068 (0.353)

0.545 (0.077)

<0.0001 S

TN

2.804 (0.451)

2.550 (0.370)

0.0965 NS

SRP

0.027 (0.008)

0.033 (0.005)

0.0143 S

TDP

0.044 (0.013)

0.040 (0.004)

0.2485 NS

TP

0.239 (0.083)

0.176 (0.078)

0.0381 S