How to measure the water quality regulation service as an in-stream natural service delivery that help to epurate the water ? The efficiency of this service will depend on the naturalness of the stream or the river, that will be the highest with well conserved ecosystems.
Here below a short video of an experimental survey of in-stream natural service, video done by Magali Gérino waiting for the tracers pulse arriving downstream.
INOWASIA is an Erasmus + Capacity Building Higher Education project that promotes a joint action of 11 organisations across 5 countries (Cambodia, Laos, Vietnam, France and Spain) to train a new generation of water professionals in Southeast Asia. More info