基于环境DNA宏条形码技术研究黄河三角洲典型潮沟系统鱼类多样性及其对水文连通性的响应

董志远, 陈琳琳, 张乃鹏, 陈莉, 孙德斌, 倪艳梅, 李宝泉

Response of fish diversity to hydrological connectivity of typical tidal creek system in the Yellow River Delta based on environmental DNA metabarcoding

Zhiyuan Dong, Linlin Chen, Naipeng Zhang, Li Chen, Debin Sun, Yanmei Ni, Baoquan Li

表4 基于序列相对丰度计算得到的鱼类群落α多样性指数

Table 4 Alpha diversity index of fish community based on the relative abundance of sequences

采样站点 Sampling station 观察物种数 Observed species ACE指数 ACE index Chao 1指数 Chao 1 index Shannon指数 Shannon index Simpson指数 Simpson index 测序深度指数 Good's coverage S1S 325 328.28 328.11 3.95 0.84 0.999977 S1X 327 329.57 328.62 3.14 0.62 0.999980 S2S 324 335.00 350.25 4.44 0.87 0.999958 S2X 316 325.00 323.50 3.25 0.73 0.999958 S3S 325 337.51 335.69 3.60 0.78 0.999946 S3X 288 302.85 302.88 3.64 0.81 0.999935