The result indicated that there were 45 species of benthic invertebrates in its main water body, helonging to 4 phyla, 5 classes, 10 orders, 30 families and 40 genera.

• 结果表明：九寨沟主要水体底栖无脊椎动物由4门、5纲、10目、30科、40属、45种组成。