1(1)BOD5()(2)(3)(4)(5)90%(6)(7)(8)(9)(10)(11)?11000/mL80%22100um345SVI2006789BOD101amoeba.,,,,.,().3..2Heliozoan,43(Paramecium)25030054(Didinium)5661-27789VmicrostomaVOctavaVConvallariaVaequilata89810Lionotus11Suctoria912Peritricha13Holotricha14101550um200um0.71.4um11