|
Total Nitrogen (Summer
average, June - August) |
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|
West
Okoboji Lake |
East Okoboji Lake |
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|
Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg Total N (mg/L) |
SE |
Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg Total N (mg/L) |
SE |
|
1990 Bachmann |
5/27 to 7/29 |
3 |
9 |
0.80 |
0.04 |
1990 Bachmann |
5/27 to 7/29 |
3 |
9 |
2.00 |
0.23 |
|
1993 Lang |
6/5 to 8/20 |
3 |
18 |
0.89 |
0.03 |
99 |
99 |
99 |
99 |
99 |
99 |
|
1994 Lang |
6/26 to 8/30 |
3 |
18 |
0.74 |
0.02 |
99 |
99 |
99 |
99 |
99 |
99 |
|
1995 Lang |
6/4 to 8/6 |
3 |
15 |
0.75 |
0.02 |
99 |
99 |
99 |
99 |
99 |
99 |
|
1996 Lang |
6/14 to 8/5 |
3 |
12 |
0.56 |
0.01 |
99 |
99 |
99 |
99 |
99 |
99 |
|
1997 Lang |
6/21 to 8/3 |
3 |
12 |
0.75 |
0.03 |
99 |
99 |
99 |
99 |
99 |
99 |
|
1999 CLAMP |
6/17 to 8/25 |
6 |
36 |
1.26 |
0.08 |
1999 CLAMP |
6/17 to 8/31 |
5 |
30 |
2.53 |
0.17 |
|
2000 CLAMP |
6/7 to 8/31 |
6 |
42 |
1.03 |
0.08 |
2000 CLAMP |
6/2 to 8/20 |
5 |
35 |
2.61 |
0.17 |
|
2001 CLAMP |
6/14 to 8/22 |
6 |
36 |
0.73 |
0.03 |
2001 CLAMP |
6/10 to 8/22 |
5 |
25 |
1.55 |
0.06 |
|
2002 CLAMP |
6/5 to 8/23 |
6 |
42 |
0.81 |
0.03 |
2002 CLAMP |
6/5 to 8/28 |
5 |
35 |
1.40 |
0.06 |
|
2003 CLAMP |
6/11 to 8/20 |
6 |
36 |
0.95 |
0.03 |
2003 CLAMP |
6/8 to 8/21 |
5 |
30 |
2.01 |
0.11 |
|
|
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|
Big Spirit Lake |
Upper Gar Lake |
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|
Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg Total N (mg/L) |
SE |
Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg Total N (mg/L) |
SE |
|
1990 Bachmann |
5/26 to 7/28 |
3 |
9 |
1.30 |
0.13 |
1990 Bachmann |
5/27 to 7/29 |
3 |
9 |
2.80 |
0.24 |
|
1999 CLAMP |
6/18 to 8/20 |
5 |
25 |
1.57 |
0.11 |
1999 CLAMP |
6/17 to 8/25 |
1 |
5 |
2.54 |
0.44 |
|
2000 CLAMP |
6/7 to 8/31 |
5 |
35 |
1.25 |
0.07 |
2000 CLAMP |
6/2 to 8/25 |
1 |
7 |
2.15 |
0.07 |
|
2001 CLAMP |
6/8 to 8/20 |
5 |
30 |
0.93 |
0.05 |
2001 CLAMP |
6/8 to 8/22 |
1 |
6 |
1.56 |
0.14 |
|
2002 CLAMP |
6/7 to 8/28 |
5 |
35 |
0.96 |
0.04 |
2002 CLAMP |
6/5 to 8/28 |
1 |
7 |
1.23 |
0.08 |
|
2003 CLAMP |
6/5 to 8/19 |
5 |
29 |
1.57 |
0.08 |
2003 CLAMP |
6/12 to 8/30 |
1 |
6 |
1.80 |
|