This Contract Aims To Execute The `` Valued Memory Of Actions On The Stream Of Mas Mercader '' And Provides For The Clearing And Pruning Of The Existing Vegetation On The Stream, Removing Clusters Of Local Logs And Obstructions And In Short Sections That Harm The Circulation Of Water. Also The Elimination Of Allochthonous And Ailant Vegetation Nuclei, With The Consequent Planting Of Native Riparian Vegetation. Finally, The Removal Of Sediment Is Expected To Be Accumulated, For Improving Water Circulation.