|
Estimated annual nutrient loadings on the Fleet (from [33]). |
||||
| Source |
Nitrogen |
Phosphorus |
||
|
|
||||
| t yr-1 |
% |
t yr-1 |
% |
|
|
|
||||
| Point sources (STWs) |
1.5 – 3.2 |
1 – 2.5 |
0.48 – 1.29 |
12 – 39 |
| Livestock |
44.4 |
34 |
1.54 |
37 – 47 |
| Synthetic Fertilisers |
64.4 |
49 – 50 |
0.73 |
18 – 23 |
| Background |
18.5 |
14 |
0.42 |
10 – 13 |
| Abbotsbury Swannery |
0.3 |
0.2 |
0.06 |
2 |
| Other bird species |
0.2 |
0.1 |
0.06 |
2 |
| Total |
129.3–131.0 |
3.29–4.10 |
||
Weber et al. Saline Systems 2006 2:15 doi:10.1186/1746-1448-2-15 |
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