Not all years shown, for complete dataset visit the ECN webpage
Summary Data
Observation |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
2015 |
2016 |
2017 |
2018 |
2019 |
Total butterfly numbers |
1527 |
1995 |
1510 |
1266 |
463 |
523 |
918 |
545 |
851 |
1142 |
1388 |
854 |
882 |
369 |
259 |
927 |
505 |
571 |
386 |
445 |
170 |
541 |
646 |
1189 |
782 |
1333 |
Number of butterfly species |
22 |
25 |
26 |
23 |
18 |
23 |
20 |
17 |
19 |
19 |
22 |
18 |
24 |
16 |
12 |
19 |
14 |
15 |
17 |
18 |
13 |
19 |
17 |
20 |
31 |
22 |
Number bird species |
29 |
26 |
|
|
22 |
35 |
29 |
23 |
19 |
23 |
26 |
29 |
23 |
20 |
18 |
19 |
17 |
17 |
19 |
23 |
22 |
24 |
|
|
|
|
Total number of bats |
39 |
30 |
|
|
10 |
33 |
49 |
64 |
51 |
45 |
79 |
79 |
115 |
40 |
101 |
89 |
88 |
55 |
86 |
78 |
72 |
102 |
90 |
60 |
71 |
|
Average number Carabidae per trap |
7 |
5 |
3 |
10 |
5 |
5 |
5 |
3.6 |
8.7 |
13.4 |
6.9 |
15.5 |
14.5 |
11.2 |
8.9 |
6.6 |
6.6 |
4.7 |
4.7 |
3.8 |
3.2 |
3.3 |
5.0 |
3.5 |
4.7 |
2.5 |
Number Carabidae species observed |
10 |
8 |
8 |
9 |
10 |
11 |
12 |
10 |
13 |
18 |
12 |
10 |
11 |
11 |
14 |
12 |
12 |
9 |
11 |
8 |
9 |
9 |
12 |
6 |
4 |
7 |
Average number vegetation species recorded |
|
|
21.3 |
|
|
15 |
|
|
16 |
|
|
18 |
|
|
18 |
|
|
16 |
|
|
16 |
|
|
16 |
|
|
Annual rainfall (mm) |
|
675 |
514 |
653 |
916 |
860 |
1144 |
956 |
1018 |
724 |
797 |
549 |
905 |
995 |
943 |
|
730 |
741 |
1121 |
803 |
1156 |
330 |
948 |
764 |
|
|
Annual mean temp (oC) |
|
11 |
10 |
10.6 |
10.5 |
10.9 |
10.6 |
10.5 |
11.3 |
10.9 |
10.7 |
10.6 |
10.9 |
11 |
10.5 |
|
10.1 |
11.6 |
10 |
9.7 |
10.2 |
9.8 |
10.2 |
10.6 |
|
|
Soil Water potential (%v/v) |
|
|
|
41.8 |
49.5 |
46.4 |
46 |
44.2 |
47.5 |
40 |
44.2 |
42.5 |
41.8 |
40.9 |
51.5 |
43.3 |
46.5 |
40.8 |
42.4 |
|
|
|
|
|
|
|
NO2 annual mean (ppb) |
|
5.6 |
6.9 |
5.3 |
4.1 |
3.7 |
3.1 |
3.9 |
3.6 |
4.8 |
4.1 |
4.4 |
4.2 |
4.5 |
3.4 |
4.1 |
5 |
3.7 |
4.1 |
4 |
3.1 |
3.1 |
2.8 |
2.7 |
3.4 |
2.6 |
Annual mean NH4 (denuder: μg/m3) |
|
|
|
|
0.99 |
1.37 |
1.24 |
0.92 |
0.87 |
0.99 |
1.53 |
0.87 |
1.68 |
1.53 |
0.79 |
|
|
|
|
|
|
|
|
|
|
|
Annual mean NH4 (alpha sampler: μg/m3) |
|
|
|
|
|
|
|
0.56 |
0.63 |
0.67 |
0.63 |
0.61 |
0.58 |
0.66 |
0.51 |
0.62 |
0.64 |
0.73 |
0.58 |
0.59 |
0.49 |
0.56 |
0.57 |
0.72 |
0.88 |
0.83 |
O3 7 hour mean (Growing season: ppb) |
30.1 |
29.8 |
29.9 |
32.7 |
30.8 |
31.1 |
30.2 |
34.3 |
32.1 |
42 |
* |
* |
* |
* |
* |
|
|
|
|
|
|
|
|
|
|
|
AOT40 (ppb h) |
3422 |
3243 |
2337 |
3318 |
2345 |
4695 |
3560 |
5207 |
2773 |
13420 |
* |
* |
* |
* |
* |
|
|
|
|
|
|
|
|
|
|
|
*Data not available
Soil solution shallow
Observation |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
2015 |
2016 |
2017 |
2018 |
pH |
4.2 |
4.5 |
4.2 |
4.1 |
4.2 |
4.2 |
4.3 |
4.6 |
4.5 |
4.6 |
4.3 |
4.2 |
4.3 |
4.4 |
4.4 |
4.6 |
5.7 |
5.9 |
5.8 |
6.3 |
5.9 |
5.8 |
6.2 |
4.1 |
6.4 |
Conductivity (μS/l) |
92 |
86 |
87 |
120 |
146 |
78 |
92 |
81 |
88 |
102 |
112 |
151 |
109 |
87 |
87 |
78 |
43 |
64 |
59 |
47 |
48 |
35 |
55 |
159 |
136 |
Na (mg/l) |
5.2 |
4.7 |
6 |
9.1 |
7.9 |
5.4 |
5.7 |
4.7 |
5.4 |
5.9 |
6.8 |
9.8 |
7.1 |
5.3 |
5.2 |
5.2 |
3.5 |
4 |
4.4 |
4.1 |
3.9 |
4 |
4.8 |
5.5 |
11.6 |
K (mg/l) |
4.4 |
2.9 |
3.1 |
3.5 |
4.7 |
2.6 |
4.7 |
3.7 |
3.5 |
4.4 |
7.3 |
8.7 |
7.1 |
4.8 |
3.6 |
2.9 |
.0.8 |
1.3 |
1.3 |
1 |
1.3 |
1.4 |
1.7 |
2.5 |
0.3 |
Ca (mg/l) |
3.6 |
3.7 |
4.4 |
13.3 |
10.2 |
3.5 |
3.5 |
4.1 |
3.6 |
4.4 |
3.8 |
11 |
4.7 |
2.8 |
3 |
3.3 |
2.6 |
3.6 |
4.1 |
3.1 |
3.1 |
2.8 |
3.9 |
2.5 |
7.8 |
Mg (mg/l) |
1.5 |
1.4 |
1.6 |
3.3 |
3.7 |
1.4 |
1.2 |
1.1 |
1.3 |
1.6 |
1.3 |
4 |
2 |
1.1 |
1.2 |
1.2 |
0.6 |
0.8 |
0.9 |
0.7 |
0.7 |
0.6 |
0.9 |
0.9 |
1.8 |
Fe (mg/l) |
0.96 |
0.99 |
1.2 |
0.74 |
0.93 |
1.26 |
1.52 |
1.01 |
1.33 |
0.97 |
1.52 |
0.92 |
1.32 |
0.68 |
1.14 |
0.81 |
0.17 |
0.16 |
0.14 |
0.12 |
0.15 |
0.14 |
0.10 |
0.43 |
0.06 |
Al (mg/l) |
0.66 |
0.7 |
0.88 |
0.79 |
1.03 |
1.01 |
1.17 |
0.77 |
0.92 |
0.75 |
1.25 |
1.25 |
1.44 |
0.78 |
0.94 |
0.75 |
0.21 |
0.22 |
0.17 |
0.12 |
0.19 |
0.17 |
0.14 |
0.69 |
0.08 |
PO4-P (mg/l) |
0 |
0 |
0 |
0.09 |
0.01 |
0.02 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.10 |
0.09 |
NO3-N (mg/l) |
1.4 |
0.6 |
0 |
1.6 |
8.9 |
0.1 |
0.4 |
1.8 |
0.4 |
2.7 |
0.8 |
8.2 |
0.8 |
0.3 |
0.2 |
0.3 |
0.2 |
0.3 |
0.2 |
0.4 |
0.1 |
0.1 |
0.0 |
3.4 |
0.0 |
NH4-N (mg/l) |
0.18 |
0.04 |
0.2 |
0.02 |
0.13 |
0 |
0.13 |
0.02 |
0.02 |
0.09 |
0.03 |
0.07 |
0.04 |
0.06 |
0.03 |
0.03 |
0.02 |
0.04 |
0.02 |
0.02 |
0.04 |
0.02 |
0.02 |
0.30 |
0.04 |
Cl (mg/l) |
6.7 |
9.4 |
8.7 |
19.4 |
12.2 |
9.9 |
11 |
6.3 |
10.2 |
9.5 |
11.3 |
17.7 |
15 |
8.3 |
9.9 |
9.5 |
3.5 |
5.2 |
6.9 |
5.1 |
7.5 |
6.0 |
10.0 |
9.5 |
25.1 |
SO4-S (mg/l) |
3.7 |
3.1 |
5.5 |
7.2 |
4.2 |
3.4 |
2.9 |
2.2 |
2.6 |
2.9 |
3.8 |
5.5 |
3.9 |
2.1 |
1.5 |
1.8 |
1.3 |
1.6 |
1.9 |
1.4 |
0.7 |
1.1 |
1.3 |
1.1 |
3.4 |
DOC (mg/l) |
|
|
|
|
|
|
|
|
|
|
50.2 |
41.1 |
57.2 |
51.2 |
41.9 |
31.9 |
17.6 |
18.8 |
17.8 |
12.7 |
13.4 |
16 |
13.5 |
25.4 |
11.8 |
Soil solution deep
Observation |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
2015 |
2016 |
2017 |
2018 |
pH |
4.7 |
5.1 |
5 |
4.8 |
4.9 |
5.1 |
5.1 |
5.5 |
5.4 |
5.2 |
5.5 |
5.1 |
4.9 |
5.1 |
5.2 |
5.2 |
6.2 |
5.94 |
6.2 |
6.3 |
6.2 |
6.3 |
6.4 |
5.2 |
6.1 |
Conductivity (μS/l) |
124 |
108 |
121 |
161 |
151 |
104 |
126 |
109 |
141 |
103 |
104 |
174 |
151 |
128 |
139 |
126 |
122 |
109 |
152 |
120 |
118 |
116 |
109 |
185 |
53 |
Na (mg/l) |
14.2 |
11.5 |
12.2 |
14 |
13.5 |
10.2 |
10.7 |
9.6 |
11.7 |
10.5 |
10.5 |
15.8 |
14.2 |
11 |
11.7 |
10.8 |
10.9 |
10.7 |
12.5 |
10.7 |
11.2 |
10.5 |
10.8 |
7.5 |
4.3 |
K (mg/l) |
0.45 |
0.5 |
0.53 |
0.57 |
0.47 |
1.03 |
0.35 |
0.24 |
0.3 |
0.56 |
0.27 |
0.6 |
0.67 |
0.44 |
0.37 |
0.5 |
0.26 |
0.25 |
0.32 |
0.31 |
0.26 |
0.24 |
0.29 |
0.34 |
1.16 |
Ca (mg/l) |
8.9 |
7.3 |
8.4 |
10.6 |
10.5 |
6.8 |
7.1 |
5.3 |
7.1 |
6.3 |
6 |
11.4 |
9.2 |
5.9 |
6.4 |
5.7 |
7.4 |
7.1 |
9.1 |
6.8 |
7.4 |
6.2 |
6.7 |
17.9 |
2.8 |
Mg (mg/l) |
4 |
3.1 |
3.6 |
4.5 |
4.4 |
3.1 |
2.9 |
2.2 |
3 |
2.6 |
2.5 |
4.9 |
4.1 |
2.6 |
2.8 |
2.4 |
1.7 |
1.6 |
2.2 |
1.6 |
1.7 |
1.5 |
1.5 |
1.4 |
0.6 |
Fe (mg/l) |
0.090 |
0.090 |
0.130 |
0.060 |
0.080 |
0.260 |
0.160 |
0.140 |
0.470 |
0.130 |
0.110 |
0.180 |
0.130 |
0.270 |
0.150 |
0.204 |
0.07 |
0.050 |
0.050 |
0.040 |
0.060 |
0.050 |
0.050 |
0.231 |
0.169 |
Al (mg/l) |
0.130 |
0.110 |
0.170 |
0.170 |
0.190 |
0.150 |
0.260 |
0.230 |
0.760 |
0.200 |
0.170 |
0.350 |
0.300 |
0.150 |
0.270 |
0.296 |
0.08 |
0.080 |
0.070 |
0.050 |
0.090 |
0.070 |
0.057 |
0.760 |
0.211 |
PO4-P (mg/l) |
0.020 |
0.020 |
0.000 |
0.000 |
0.030 |
0.060 |
0.010 |
0.000 |
0.100 |
0.010 |
0.000 |
0.000 |
0.000 |
0.000 |
0.000 |
0.004 |
0.08 |
0.080 |
0.080 |
0.070 |
0.100 |
0.100 |
0.070 |
0.022 |
0.006 |
NO3-N (mg/l) |
0 |
0.1 |
0.1 |
0 |
0.2 |
0 |
0.1 |
0 |
0 |
0.4 |
0.1 |
0.2 |
0.1 |
0.1 |
0.1 |
0.08 |
0.02 |
0.01 |
0.01 |
0.02 |
0.02 |
0.03 |
0.02 |
5.30 |
0.06 |
NH4-N (mg/l) |
0 |
0.1 |
0.05 |
0.1 |
0.03 |
0 |
0.02 |
0 |
0.01 |
0.3 |
0.01 |
0.03 |
0.01 |
0.04 |
0.02 |
0.033 |
0.01 |
0.01 |
0.01 |
0 |
0.01 |
0.02 |
0.02 |
0.03 |
0.05 |
Cl (mg/l) |
22.7 |
18.5 |
30 |
35.2 |
35 |
24 |
24.3 |
19.8 |
29 |
23.4 |
23.9 |
45.9 |
4.01 |
24.9 |
27.4 |
24.25 |
21.7 |
21 |
29.3 |
21 |
24.7 |
21.5 |
23.7 |
16.3 |
6.1 |
SO4-S (mg/l) |
5.8 |
4.9 |
7.5 |
8 |
7.5 |
6.7 |
5.5 |
3.5 |
4.2 |
4.1 |
4.2 |
5.2 |
4.8 |
3.7 |
3.6 |
3.3 |
4.1 |
4 |
3.8 |
2.6 |
2.6 |
2.5 |
2.0 |
2.5 |
0.9 |
DOC (mg/l) |
|
|
|
|
|
|
|
|
|
|
10.4 |
15.2 |
15.1 |
13.6 |
15 |
15.7 |
12.3 |
11.3 |
11.7 |
12.4 |
10.4 |
10.4 |
10.2 |
16.5 |
17.2 |
Precipitation
Observation |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
2015 |
2016 |
2017 |
2018 |
Volume (mm) |
270 |
701 |
668 |
592 |
833 |
635 |
1090 |
938 |
985 |
661 |
712 |
545 |
783 |
917 |
817 |
283 |
252 |
770 |
1162 |
955 |
1317 |
815 |
888 |
878 |
931 |
|
|
|
|
|
|
pH |
4.4 |
4.6 |
4.8 |
4.8 |
4.8 |
4.9 |
4.9 |
4.8 |
5 |
5 |
5.2 |
5 |
5 |
4.9 |
5 |
5.2 |
5.1 |
5.1 |
4.9 |
5.2 |
5.2 |
5.5 |
5.3 |
5.4 |
5.4 |
Conductivity (μS/l) |
22.1 |
21.6 |
21.9 |
22.1 |
20.9 |
22.2 |
19.5 |
19.6 |
23.8 |
36.3 |
23.6 |
23.4 |
22.5 |
21.4 |
22.6 |
30.5 |
30.3 |
31.2 |
25.9 |
20.6 |
20.7 |
17.6 |
23.1 |
20.7 |
21.2 |
Na (mg/l) |
1.5 |
1.8 |
1.7 |
1.6 |
1.8 |
1.4 |
1.3 |
1.4 |
2 |
1.3 |
1.6 |
1.5 |
1.7 |
1.4 |
1.6 |
1.7 |
0.98 |
0.97 |
1.38 |
1.66 |
1.86 |
1.35 |
1.28 |
1.27 |
1.17 |
K (mg/l) |
0.16 |
0.15 |
0.42 |
0.14 |
0.15 |
0.12 |
0.12 |
0.11 |
0.13 |
0.18 |
0.16 |
0.15 |
0.16 |
0.1 |
0.1 |
0.15 |
0.11 |
0.09 |
0.1 |
0.09 |
0.1 |
0.13 |
0.13 |
0.14 |
0.12 |
Ca (mg/l) |
0.7 |
0.4 |
0.5 |
0.5 |
0.4 |
0.3 |
0.4 |
0.3 |
0.4 |
0.5 |
0.5 |
0.4 |
0.3 |
0.2 |
0.3 |
0.5 |
0.4 |
0.4 |
0.3 |
0.2 |
0.3 |
0.3 |
0.3 |
0.4 |
0.4 |
Mg (mg/l) |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.1 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.1 |
0.1 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.1 |
Fe (mg/l) |
0.01 |
0.01 |
0.01 |
0.00 |
0.00 |
0.01 |
0.01 |
0.01 |
0.00 |
0.00 |
0.00 |
0.01 |
0.01 |
0.01 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.01 |
0.00 |
0.17 |
0.00 |
0.01 |
Al (mg/l) |
0.01 |
0.01 |
0.01 |
0.00 |
0.00 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.00 |
0.01 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
PO4-P (mg/l) |
0.00 |
0.00 |
0.02 |
0.01 |
0.01 |
0.03 |
0.00 |
0.00 |
0.00 |
0.01 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.01 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.04 |
0.00 |
0.00 |
0.00 |
NO3-N (mg/l) |
0.3 |
0.3 |
0.4 |
0.4 |
0.4 |
0.3 |
0.3 |
0.4 |
0.3 |
0.3 |
0.4 |
0.4 |
0.3 |
0.3 |
0.3 |
0.5 |
0.4 |
0.3 |
0.3 |
0.3 |
0.3 |
0.3 |
0.4 |
0.5 |
0.4 |
NH4-N (mg/l) |
0.2 |
0.4 |
0.5 |
0.3 |
0.3 |
0.5 |
0.3 |
0.3 |
0.2 |
0.5 |
0.3 |
0.4 |
0.3 |
0.2 |
0.3 |
0.4 |
0.4 |
0.3 |
0.3 |
0.3 |
0.3 |
0.5 |
0.4 |
0.5 |
0.5 |
Cl (mg/l) |
2.2 |
2.9 |
3 |
3.1 |
3.4 |
2.5 |
2.4 |
2.3 |
3.2 |
2 |
2.7 |
2.7 |
3 |
2.4 |
2.5 |
2.8 |
1.6 |
1.6 |
2.2 |
2.9 |
3.3 |
2.4 |
2.2 |
2.1 |
2.0 |
SO4-S (mg/l) |
0.6 |
0.6 |
0.7 |
0.7 |
0.6 |
0.6 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.6 |
0.5 |
0.4 |
0.4 |
0.5 |
0.4 |
0.3 |
0.4 |
0.3 |
0.3 |
0.3 |
0.3 |
0.4 |
0.3 |
Dissolved organic carbon |
|
|
|
|
|
|
|
|
|
3.1 |
2.9 |
2.1 |
2 |
1.8 |
2.6 |
3 |
2.4 |
2.9 |
3.1 |
2.6 |
1.9 |
2.5 |
2.0 |
2.2 |
2.3 |