海南岛1988—2018年畜禽粪尿氮磷负荷量及环境效应

丁尚,付阳,郭浩浩,宋晨阳,李博玲,赵洪伟

Nitrogen and Phosphorus Loads and Their Environmental Effects of Animal Manure in Hainan Island from 1988 to 2018

DING Shang,FU Yang,GUO HaoHao,SONG ChenYang,LI BoLing,ZHAO HongWei

表3 2018年各地区畜禽养殖的环境容量、实际养殖总量及污染风险指数

Table 3 Feeding capacity, actual amounts and environmental risk index of livestock and poultry of different areas in 2018

地区 Area 承载力 Loading capacity (t) 养殖容量（万头猪当量） Feeding capacity 实际养殖量（万头猪当量） Actual amounts 环境风险指数 Environmental risk index N P N P N P N P 海口Haikou 8305 1710 62.46 96.99 55.44 56.07 1.78 1.16 三亚Sanya 2472 509 18.59 28.87 20.66 21.29 2.22 1.48 五指山Wuzhishan 556 115 4.18 6.50 5.30 5.53 2.53 1.70 文昌Wenchang 6782 1396 51.01 79.21 48.09 46.45 1.89 1.17 琼海Qionghai 3918 807 29.47 45.76 39.31 35.66 2.67 1.56 万宁Wanning 3268 673 24.58 38.16 40.09 41.81 3.26 2.19 定安Dingan 3763 775 28.30 43.94 48.03 50.66 3.39 2.31 屯昌Tunchang 2275 468 17.11 26.57 26.92 28.92 3.15 2.18 澄迈Chengmai 5203 1071 39.13 60.76 62.04 60.99 3.17 2.01 临高Lingao 5410 1114 40.69 63.18 18.74 19.76 0.92 0.63 儋州Danzhou 8777 1807 66.01 102.51 60.58 60.13 1.84 1.17 东方Dongfang 7834 1613 58.92 91.49 21.37 23.09 0.73 0.50 乐东Ledong 5149 1060 38.73 60.14 36.68 43.17 1.89 1.44 琼中Qiongzhong 1703 351 12.81 19.88 11.24 11.74 1.76 1.18 保亭Baoting 1021 210 7.68 11.93 11.09 11.32 2.89 1.90 陵水Lingshui 2008 413 15.10 23.45 19.90 23.29 2.63 1.99 白沙Baisha 1979 408 14.89 23.12 11.95 11.85 1.61 1.03 昌江Changjiang 4016 827 30.20 46.90 19.41 21.80 1.29 0.93