Uncovering the Genetic Journey of Invasive Fish through Freshwater Connectivity
A study conducted at the IISD-Experimental Lakes Area in Ontario, Canada, has found that freshwater connectivity can transport environmental DNA (eDNA) through the landscape. The research used eDNA metabarcoding to analyze fish and zooplankton communities in connected lakes. The study revealed that eDNA can be transported between freshwater bodies, highlighting its potential as a tool for comprehensive freshwater biodiversity monitoring. The findings emphasize the importance of considering connectivity when designing eDNA surveys and collecting samples from multiple locations to obtain a complete picture of biodiversity. Further research is needed to understand the factors influencing the spatial resolution of eDNA detection.