Oligochaeta in karst region in central Guizhou changes in number and biomass, may direct the karst region in central Guizhou ecosystem restoration and reconstruction degree.

• 寡毛纲在黔中喀斯特地区种群数量的变化和生物量的大小，可指示黔中喀斯特地区生态系统恢复与重建程度。