|
Months
|
Days from start
|
Growth density, g dw/m2
|
Growth rate, g dw/m2-day
|
NH4-N initial, mg/l
|
NH4-N final, mg/l
|
NH4-N uptake rate, mg/l-day
|
PO4-P initial, mg/l
|
PO4-P final, mg/L
|
PO4-P uptake rate, mg/l-day
|
N/P uptake
|
Chl A + B, μg/ml
|
|---|
|
January
|
10
|
NA
|
NA
|
40.0
|
16 ± 6
|
2.4 ± 0.8
|
20.0
|
13.2 ± 4
|
0.68 ± 0.4
|
3.5
|
33.7 ± 10
|
|
15
|
NA
|
NA
| |
6.1 ± 3
|
2.3 ± 0.7
| |
4.1 ± 2
|
1.06 ± 0.5
|
2.1
|
12.3 ± 8
|
|
20
|
58.2 ± 8
|
2.9 ± 0.9
| |
0.0
|
2.0 ± 0.9
| |
0.0
|
1.0 ± 0.6
|
2
|
2.3 ± 0.5
|
|
April
|
10
|
NA
|
NA
|
40.0
|
18.7 ± 8
|
2.1 ± 1.0
|
20.0
|
13.6 ± 4
|
0.64 ± 0.3
|
3.3
|
12.8 ± 4.8
|
|
15
|
NA
|
NA
| |
4.5 ± 2
|
2.4 ± 0.7
| |
8.5 ± 1
|
0.76 ± 0.3
|
3.1
|
0.5 ± 0.2
|
|
20
|
88.5 ± 18
|
4.4 ± 0.7
| |
2.5 ± 1.1
|
1.9 ± 0.9
| |
0.0
|
1.0 ± 0.6
|
1.9
|
0.0
|
|
June
|
10
|
NA
|
NA
|
40.0
|
23.1 ± 6
|
1.7 ± 1.0
|
20.0
|
16.9 ± 5
|
0.31 ± 0.1
|
5.5
|
8.8 ± 1.8
|
|
15
|
NA
|
NA
| |
10.1 ± 4
|
2.0 ± 1.1
| |
10.1 ± 5
|
0.7 ± 0.2
|
3
|
3.9 ± 1.2
|
|
20
|
67.2 ± 6
|
3.3 ± 0.9
| |
8.1 ± 3
|
1.5 ± 0.8
| |
6.1 ± 3
|
0.7 ± 0.3
|
2.3
|
2.7 ± 1.2
|
- N, nitrogen; P, phosphorus; NA (not analyzed).
