From: Measuring variability in trophic status in the Lake Waco/Bosque River Watershed
Site | Treatment | Number of Replicates | Mean Chl. a (μg cm-2) | Standard Deviation (μg cm-2) | SNK Group (α = 0.05) | ||||
---|---|---|---|---|---|---|---|---|---|
NB-01 | Control | 10 | 0.88 | 0.60 | Â | Â | Â | D | E |
 | N | 10 | 0.95 | 0.38 |  |  |  | D | E |
 | P | 9 | 1.06 | 0.53 |  |  |  | D | E |
 | N + P | 10 | 0.98 | 0.53 |  |  |  | D | E |
NB-02 | Control | 10 | 4.58 | 0.86 | A | Â | Â | Â | Â |
 | N | 10 | 5.10 | 1.61 | A | B |  |  |  |
 | P | 9 | 6.22 | 1.91 | A | B |  |  |  |
 | N + P | 10 | 5.19 | 1.86 | A | B |  |  |  |
NB-04 | Control | 7 | 1.73 | 0.37 | Â | Â | C | D | Â |
 | N | 5 | 2.08 | 0.38 |  |  | C | D |  |
 | P | 9 | 2.49 | 0.51 |  |  | C |  |  |
 | N + P | 8 | 5.73 | 1.36 | A | B |  |  |  |
MB | Control | 10 | 0.47 | 0.20 | Â | Â | Â | Â | E |
 | N | 9 | 0.52 | 0.08 |  |  |  |  | E |
 | P | 9 | 0.90 | 0.32 |  |  |  | D | E |
 | N + P | 10 | 5.87 | 1.93 | A | B |  |  |  |
NC | Control | 10 | 0.48 | 0.14 | Â | Â | Â | Â | E |
 | N | 10 | 0.59 | 0.17 |  |  |  |  | E |
 | P | 9 | 2.70 | 1.16 |  |  | C |  |  |
 | N + P | 10 | 2.67 | 0.82 |  |  | C |  |  |