An investigation on macroinvertebrate community from Sanjiangkou to Shuikousi along the Nanming River in Guiyang was carried out in three times.

• 三期对南明河贵阳市区三江口至水口寺河段12个断面的调查,共获底栖动物31种,其中污染指示种有17种,软体动物在种类上占优势,环节动物在数量上占优势。