Presentation of the associations CIREF (Iberian Centre for river Restoration), AEMS-Ríos con Vida, and Wetlands International, Plataforma ciutadana per el riu Serpis, and other organizing NGOs;

– Explanation with informative panels on the ecology of rivers and the importance of fish migrations around the world (posters);

– Explanation about the dams and other barriers that hinder the fish passage, in the upstream or downstream direction in the Serpis River in the region of La Safor.

– Explanation of how a fish passage should work on a barrier;

– In situ measurement of water quality variables by students; conductivity, dissolved oxygen, pH, temperature.

– Sampling of aquatic macroinvertebrates, to be observed in binocular magnifying glass, before being returned back to the same aquatic habitat;

– Demonstration by AEMS-Valencia, of how imitations of insects are made for fly fishing, in the fishing modality known as catch and release, or conservation fishing, which returns the live specimens to the river;

– demonstration of how to measure the variables to know the passability of an obstacle (fords or culverts)

– Picnic (funded by the Iberian River Restoration Centre and Wetlands International-European Association)

– Explanation of other possible measures or actions to improve the ecological status of the river, according to the specific place of the visit; discussion with attendees on the most appropriate measures, taking into account the possible short-term effects of climate change.