Research Article
Analysis of Nonpoint Source Pollution and Water Environmental Quality Variation Trends in the Nansi Lake Basin from 2002 to 2012
Table 4
The situation of livestock and poultry breeding industry in the Nansi Lake Basin.
| | The survey project | The species of livestock and poultry breeding | Total | | Cattle | Pig | Chicken |
| | Herds (104 heads) | 95.79 | 720.01 | 10517.87 | 11333.67 | | Annual dung emissions (tons) | 6992670 | 2160030 | 631072 | 9783772 | | Annual urine emissions (tons) | 3496335 | 3564050 | — | 7060385 | | Annual pollutants productions (tons) | | | | | | COD | 237751 | 144398 | 28398 | 410547 | | NH3-N | 24125 | 11686 | 3029 | 38840 | | Annual loss of pollutants (tons) | | | | | | COD | 28530 | 17328 | 3408 | 49266 | | NH3-N | 2895 | 1402 | 364 | 4661 |
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