The results showed that low temperature, high content of salt and acidic condition inhibited ammonifiers growth, and alkalescent condition showed little effect on ammonifiers.

• 结果表明,低温、高盐度和酸性条件会抑制氨化菌的生长;中、碱性条件下,氨化菌仍能维持正常生长;苏州河的氨化菌无法以无机氮和尿素作为生长所需的氮源;