Ammoniacal nitrogen concentrations in New Zealand rivers
By dominant land cover in the catchment, 2009–2013, milligrams per cubic metre
Dominant land cover | Measure | Milligrams per cubic metre |
---|---|---|
Exotic forest | Median | 11.0935 |
Exotic forest | Lower quartile | 8.327067056 |
Exotic forest | Upper quartile | 14.04259195 |
Native | Median | 3.694 |
Native | Lower quartile | 2.3955 |
Native | Upper quartile | 5.75 |
Pastoral | Median | 13.87623644 |
Pastoral | Lower quartile | 9.574857409 |
Pastoral | Upper quartile | 24.11270133 |
Urban | Median | 25.48204722 |
Urban | Lower quartile | 13.99865464 |
Urban | Upper quartile | 41.85549479 |