基于eDNA metabarcoding探究北京市主要河流鱼类分布及影响因素

沈梅, 郭宁宁, 罗遵兰, 郭晓晨, 孙光, 肖能文

Explore the distribution and influencing factors of fish in major rivers in Beijing with eDNA metabarcoding technology

Mei Shen, Ningning Guo, Zunlan Luo, Xiaochen Guo, Guang Sun, Nengwen Xiao

图6 冗余分析(RDA)探究清水鱼群落结构与测量环境变量之间的关系。DO: 溶解氧; TDS: 总溶解固体; T: 温度; H: 海拔; EC: 电导率。黄色圆点表示北运河水系; 绿色圆点表示潮白河水系; 蓝色圆点表示大清河水系。

Fig. 6 RDA exploring the relationship between community structure and measured environmental variables. DO, Dissolved oxygen; TDS, Total dissolved solids; T, Temperature; H, Height; EC, Electrical conductivity。Yellow dots represent Beiyun River System; Green dots represent Chaobai River System; Blue dots represent Daqing River System.