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2 2018年海南各地区猪粪当量负荷及对环境的威胁分级

Table 2 Pig manure equivalent load and the classification of threat to the environment of Hainan in 2018

地区 Area 猪粪当量 Pig manure equivalent (×104 t) 畜禽粪尿负荷量 Load of manure (t·hm-2·a-1) 预警值 Alarm value (R) 预警级别 Classification level 对环境的威胁程度 The threat to environment 海口Haikou 159.61 32.67 0.73 Ⅲ 有Medium 三亚Sanya 55.48 38.15 0.85 Ⅲ 有Medium 五指山Wuzhishan 14.37 43.93 0.98 Ⅲ 有Medium 文昌Wenchang 233.28 58.47 1.30 Ⅳ 较严重Less serious 琼海Qionghai 176.86 76.73 1.71 Ⅴ 严重Serious 万宁Wanning 188.79 98.21 2.18 Ⅴ 严重Serious 定安Dingan 264.48 119.48 2.66 Ⅵ 很严重More serious 屯昌Tunchang 103.73 77.51 1.72 Ⅴ 严重Serious 澄迈Chengmai 631.61 206.37 4.59 Ⅵ 很严重More serious 临高Lingao 75.57 23.75 0.53 Ⅱ 稍有Slight 儋州Danzhou 143.13 27.72 0.62 Ⅱ 稍有Slight 东方Dongfang 75.51 16.39 0.36 Ⅰ 无None 乐东Ledong 115.36 38.08 0.85 Ⅲ 有Medium 琼中Qiongzhong 28.71 28.66 0.64 Ⅱ 稍有Slight 保亭Baoting 29.18 48.57 1.08 Ⅳ 较严重Less serious 陵水Lingshui 48.05 40.68 0.90 Ⅲ 有Medium 白沙Baisha 30.61 26.29 0.58 Ⅱ 稍有Slight 昌江Changjiang 58.12 24.60 0.55 Ⅱ 稍有Slight