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Nitrate-Nitrogen
(Summer average, June - August) |
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Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
|
1971 Bachmann |
6/14 to 8/30 |
6 |
36 |
<0.01 |
0.00 |
1971 Bachmann |
6/23 to 8/30 |
5 |
31 |
0.06 |
0.01 |
|
1972 Bachmann |
6/12 to 8/24 |
6 |
25 |
0.01 |
0.00 |
1972 Bachmann |
6/1 to 8/24 |
5 |
25 |
0.07 |
0.01 |
|
1973 Bachmann |
6/7 to 8/20 |
6 |
16 |
<0.01 |
0.00 |
1973 Bachmann |
6/21 to 8/20 |
5 |
39 |
0.16 |
0.04 |
|
1987 Bachmann |
6/2 to 8/13 |
6 |
65 |
0.10 |
0.00 |
NA |
NA |
NA |
NA |
NA |
NA |
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1988 Bachmann |
6/6 to 8/8 |
6 |
60 |
0.05 |
0.00 |
NA |
NA |
NA |
NA |
NA |
NA |
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1989 Bachmann |
6/4 to 8/6 |
6 |
59 |
0.06 |
0.00 |
NA |
NA |
NA |
NA |
NA |
NA |
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1998 Lang |
7/2 to 8/28 |
3 |
27 |
0.07 |
0.00 |
NA |
NA |
NA |
NA |
NA |
NA |
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1999 CLAMP |
6/17 to 8/25 |
6 |
36 |
0.04 |
0.00 |
1999 CLAMP |
6/17 to 8/31 |
5 |
30 |
0.31 |
0.09 |
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2000 CLAMP |
6/7 to 8/31 |
6 |
42 |
0.06 |
0.00 |
2000 CLAMP |
6/2 to 8/20 |
5 |
35 |
0.15 |
0.02 |
|
2001 CLAMP |
6/14 to 8/22 |
6 |
36 |
0.09 |
0.00 |
2001 CLAMP |
6/10 to 8/22 |
5 |
25 |
0.29 |
0.06 |
|
2002 CLAMP |
6/5 to 8/26 |
6 |
42 |
0.07 |
0.00 |
2002 CLAMP |
6/5 to 8/28 |
5 |
35 |
0.15 |
0.02 |
|
2003 CLAMP |
6/11 to 8/20 |
6 |
36 |
0.04 |
0.00 |
2003 CLAMP |
6/8 to 8/21 |
5 |
30 |
0.28 |
0.05 |
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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 NO3 (mg/L) |
SE |
Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
|
1971 Bachmann |
6/21 to 8/26 |
5 |
20 |
0.02 |
0.00 |
1971 Bachmann |
7/15 to 8/22 |
1 |
5 |
0.07 |
0.03 |
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1972 Bachmann |
6/5 to 8/23 |
5 |
20 |
0.01 |
0.00 |
1972 Bachmann |
6/1 to 8/25 |
1 |
5 |
0.07 |
0.02 |
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1973 Bachmann |
6/26 to 8/30 |
5 |
30 |
0.01 |
0.00 |
1973 Bachmann |
6/21 to 8/15 |
1 |
5 |
0.19 |
0.11 |
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1999 CLAMP |
6/18 to 8/20 |
5 |
25 |
0.11 |
0.01 |
1999 CLAMP |
6/17 to 8/25 |
1 |
5 |
0.24 |
0.14 |
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2000 CLAMP |
6/7 to 8/31 |
5 |
35 |
0.06 |
0.00 |
2000 CLAMP |
6/2 to 8/25 |
1 |
7 |
0.10 |
0.02 |
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2001 CLAMP |
6/8 to 8/20 |
5 |
30 |
0.14 |
0.03 |
2001 CLAMP |
6/8 to 8/22 |
1 |
6 |
0.40 |
0.14 |
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2002 CLAMP |
6/7 to 8/28 |
5 |
35 |
0.09 |
0.00 |
2002 CLAMP |
6/5 to 8/28 |
1 |
7 |
0.10 |
0.01 |
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2003 CLAMP |
6/5 to 8/19 |
5 |
29 |
0.07 |
0.00 |
2003 CLAMP |
6/12 to 8/30 |
1 |
6 |
0.10 |
0.01 |
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Lake Minnewashta
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Lower Gar Lake |
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Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
|
1971 Bachmann |
7/15 to 8/22 |
1 |
5 |
0.06 |
0.02 |
1971 Bachmann |
7/15 to 8/22 |
1 |
5 |
0.09 |
0.02 |
|
1972 Bachmann |
6/1 to 8/25 |
1 |
5 |
0.05 |
0.01 |
1972 Bachmann |
6/1 to 8/25 |
1 |
5 |
0.19 |
0.03 |
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1973 Bachmann |
6/21 to 8/15 |
1 |
5 |
0.14 |
0.08 |
1973 Bachmann |
6/21 to 8/15 |
1 |
5 |
0.28 |
0.13 |
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1999 CLAMP |
7/14 to 8/25 |
1 |
4 |
0.09 |
0.02 |
1999 CLAMP |
7/14 to 8/25 |
1 |
4 |
0.25 |
0.05 |
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2000 CLAMP |
6/2 to 8/25 |
1 |
7 |
0.14 |
0.02 |
2000 CLAMP |
6/2 to 8/25 |
1 |
7 |
0.21 |
0.05 |
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2001 CLAMP |
6/8 to 8/22 |
1 |
6 |
0.35 |
0.12 |
2001 CLAMP |
6/8 to 8/22 |
1 |
6 |
0.33 |
0.11 |
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2002 CLAMP |
6/5 to 8/28 |
1 |
7 |
0.10 |
0.01 |
2002 CLAMP |
6/5 to 8/28 |
1 |
7 |
0.40 |
0.18 |
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2003 CLAMP |
6/12 to 8/30 |
1 |
6 |
0.09 |
0.02 |
2003 CLAMP |
6/12 to 8/30 |
1 |
6 |
0.20 |
0.06 |
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Little Spirit Lake |
Center Lake |
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Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
|
1971 Bachmann |
7/16 to 7/22 |
1 |
2 |
0.03 |
0.01 |
NA |
NA |
NA |
NA |
NA |
NA |
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1972 Bachmann |
7/16 to 8/25 |
1 |
3 |
0.04 |
0.01 |
NA |
NA |
NA |
NA |
NA |
NA |
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NA |
NA |
NA |
NA |
NA |
NA |
1999 CLAMP |
7/18 to 8/29 |
2 |
7 |
0.17 |
0.02 |
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2000 CLAMP |
6/24 to 8/19 |
2 |
10 |
0.18 |
0.01 |
2000 CLAMP |
6/11 to 8/13 |
2 |
6 |
0.17 |
0.02 |
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2001 CLAMP |
6/9 to 8/11 |
2 |
10 |
0.52 |
0.23 |
2001 CLAMP |
7/8 to 8/25 |
2 |
8 |
0.18 |
0.01 |
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2002 CLAMP |
6/5 to 8/23 |
2 |
14 |
0.30 |
0.05 |
2002 CLAMP |
6/9 to 8/19 |
2 |
12 |
0.20 |
0.02 |
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2003 CLAMP |
6/11 to 8/18 |
2 |
12 |
0.25 |
0.04 |
2003 CLAMP |
6/15 to 8/31 |
2 |
12 |
0.15 |
0.02 |
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Silver Lake |
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Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
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1999 CLAMP |
7/30 to 8/26 |
4 |
12 |
0.46 |
0.15 |
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2000 CLAMP |
6/6 to 8/22 |
4 |
23 |
1.00 |
0.21 |
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2001 CLAMP |
6/5 to 8/28 |
4 |
28 |
3.48 |
0.39 |
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2002 CLAMP |
6/11 to 8/20 |
4 |
24 |
0.60 |
0.12 |
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2003 CLAMP |
6/10 to 819 |
4 |
24 |
0.92 |
0.17 |
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Elk Lake |
Trumbull Lake |
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Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
Year Principal Investigator |
Sampling Period |
Number of lake sampling sites |
Total number of samples collected |
Avg NO3 (mg/L) |
SE |
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2000 CLAMP |
6/20 to 8/16 |
1 |
3 |
0.25 |
0.07 |
2000 CLAMP |
6/20 to 8/16 |
1 |
3 |
0.87 |
0. 36 |
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2001 CLAMP |
6/13 to 8/16 |
1 |
3 |
0.78 |
0.54 |
2001 CLAMP |
6/13 to 8/16 |
1 |
3 |
2.69 |
2.58 |
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2002 CLAMP |
7/22 to 8/26 |
1 |
2 |
0.22 |
0.03 |
2002 CLAMP |
7/22 to 8/26 |
1 |
2 |
0.12 |
0.00 |