摘要
以2000和2004年同安湾水产养殖业、沿湾工业、船舶运输业、农业和城镇生活污水及东、西溪径流的氮和磷有机污染物对湾内的排放量,估算水产养殖污染占总体污染的比例,以期水产养殖业者正视养殖对海洋环境的影响和人们对水产养殖污染的正确评价。结果显示,2000和2004年排入同安湾的污染物总量分别为19063.6和34588.1t,其中径流排入的分别为8564.8和21137.3t,分别占总排污量的44.93%和61.11%;居民生活污水排污量分别为6552和9487t,分别占34.17%和27.43%;水产养殖排污量分别为3473.3和3266.4t,分别占18.22%和9.44%;工业排污量分别为227.6和482.3t,分别占1.19%和1.39%;农业排污量分别为239.82和208.6t,分别占1.26%和0.60%;船泊运输污染物分别为6.1和6.5t,分别占0.03%和0.02%。据测算2000和2004年同安湾养殖生物吸收的N和P数量分别占自身养殖排放量的14.58%、26.32%和20.91%、37.02%。因此,2000和2004年水产养殖业实际对同安湾的污染仅分别占总污染物17.37%和8.74%。
The data of the discharging amount of the main organic pollutant （N, P） to Tongan Bay from all the pollution sources： the aquaculture industry, the industry along the bay, the shipping industry, the agriculture and municipal wastewater, Dong-Xi fiver runoff in 2000 and 2004 years was examined to estimate the proportion of the aquaculture pollution of all the sources so as to make the aquaculturist recognize the environmental pollution degree of aquaculture really and make true evaluation. The result shows the pollutant discharging amount is 19 063.6 and 34 588.1 t in 2000 and 2004, respectively. The pollutant from the main source Dong-Xi river runoff is 8 564. 8 and 21 137.3 t, account for 44. 93 % and 61.11%, respectively. The pollutant from the municipal wastewater is 6 552 and 9 487 t, account for 34. 17% and 27.43% separately. Thirdly, the pollutant from aquaculture industry is 3 473.3 and 3 266. 4 t, account for 18.22% and 9.44% separately. The pollutant from the industry along the bay is 227.6 and 482. 3 t, account for 1.19% and 1.39%. The pollutant from agriculture is 239. 82 and 208.6 t, account for 1.26% and 0. 60%. The last one is the shipping industry, the pollutant is 6. 1 and 6. 5 t, account for 0. 03% and 0. 02% separately. According to estimation, the N and P imbibed by animals account for 14. 58%, 26. 32% and 20. 91%, 37. 02% of all the pollutant discharging from the aquaculture in 2000 and 2004. So the aquaculture pollution to Tongan Bay actually account for 17.37% and 8. 74% in 2000 and 2004, respectively.
出处
《南方水产》
2007年第1期54-61,共8页
South China Fisheries Science
基金
福建省海洋与渔业局重点项目(2000-03)
厦门市海洋与渔业局项目
关键词
水产养殖
污染
评估
同安湾
aquaculture
pollution
estimation
Tongan Bay
