不同养殖水体溶解氧与环境因子关系的比较

Relation between dissolved oxygen and environmental factors in different farming waters

根据2003年7月到2004年6月间对厦门铁道公司东山牙鲆工厂化养殖车间和同安湾网箱养殖区养殖水体水环境监测的资料分析整理而得。研究结果表明:东山牙鲆养殖车间的DO、NH4-N、NO2-N均达到了二类渔业水质标准,但COD偏高,超出四类渔业水质标准。在工厂化养殖中,由于受人为的影响,DO与其他环境因子不存在线性关系。而在同安湾,NH4-N、NO2-N、DO和COD均达到了二类渔业水质标准,同时DO与COD,DO与NH4-N之间都存在较好线性关系。

The chemical characteristics in different farming waters were determined from Jul. 2003 to Jun. 2004. The contents of DO, NH4-N and NO2-N are coincided with the second class fishery water quality standard in Dongshan Paralichthys olivaceus farming workshop, but COD is beyond the fourth class fishery water quality standard. Owing to the anthrepic factor in the Industrial P. olivaceus Farming, DO isnt linear with other environmental factors. The contents of DO, COD, NH4-N and NO2-N are coincided with the second class fishery water quality standard in Tong＇an Bay, and DO is linear with other environmental factors well.