|
Parameters
| |
LA1
|
LA2
|
LB1
|
LB2
|
|---|
|
Sampling date
| |
26/03/2007
|
10/07/2007
|
02/04/2007
|
17/07/2007
|
|
Temperature
|
°C
|
6.2
|
19.6
|
7.5
|
20.4
|
|
DO
|
mg l-1
|
10.5
|
9.7
|
11.7
|
10
|
|
TOC
|
mg l-1
|
1.7
|
2.2
|
2.1
|
2.5
|
|
NO3
|
mg l-1
|
0.2
|
0.1
|
0.5
|
0.2
|
|
NH4
|
μg l-1
|
2.0
|
1.0
|
6.0
|
4.0
|
|
PO4
|
μg l-1
|
2.0
|
3.0
|
4.0
|
2.0
|
|
P total
|
μg l-1
|
7.0
|
6.0
|
21.0
|
6.0
|
|
Chla
|
μg l-1
|
0.7
|
2.7
|
1.2
|
0.7
|
|
Cyanobacteria
|
104 cell ml-1
|
9.0 ± 0.5
|
15.0 ± 1.1
|
2.0 ± 0.1
|
12.0 ± 0.8
|
|
Het. Bacteria
|
105 cell ml-1
|
24.4 ± 0.3
|
12.3 ± 0.4
|
35.0 ± 1.2
|
25.2 ± 2.0
|
|
Viruses
|
107 part ml-1
|
3.7 ± 0.1
|
5.1 ± 0.4
|
8.3 ± 0.3
|
15.3 ± 0.7
|
|
HNF
|
102 cell ml-1
|
7.5 ± 1.3
|
6.9 ± 0.6
|
2.6 ± 1.3
|
3.9 ± 1.5
|
|
PNF
|
102 cell ml-1
|
4.9 ± 1.3
|
18.0 ± 3.1
|
1.4 ± 0.2
|
2.9 ± 0.5
|
- DO, dissolved oxygen; Chl a, Chlorophyll a; TOC, total organic carbon; NO3, nitrate; NH4, ammonium; P total, total phosphorus; Het. Bacteria, heterotrophic bacteria; HNF, heterotrophic nanoflagellates; PNF, pigmented nanoflagellates. LA1, March sampling in Lake Annecy; LA2, July sampling in Lake Annecy; LB1, April sampling in Lake Bourget; LB2, July sampling in Lake Bourget. Values are means ± standard deviation of results from triplicate measurements.
