This approach directly measures the change in the stream between two points. Typically it covers a relatively short reach of river so it may be easy to collect samples. If there are no changes in flow ...

The specific monitoring design (the choice of location and timing of sample collection) that best meets project objectives will depend on the type and scale of the project and the degree to which ...

A redesigned 1.6 mL storage tube minimizes dead volume near the base to improve sample recovery while maintaining pipette access.