| Impact ID | 7663 |
| Impact Type | Commerce |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In the Guadalquivir river branch located in Seville Spain, the total effort to inspect the presence of Eichhornia crassipes, including preliminary inspection, initial control stage and monitoring, took 150 days. Five to seven people were needed during initial inspection tasks by boat, whereas two or three workers carried out further removal and biomass disposal tasks. The total biomass removed was 1,931kg and the total cost of the action was ca. €22,500. In total, the cost/biomass ratio was €11.6/kg and the cost/surface ratio €205/ha. |
| Reference | 42428 |
| Cost | |
| Location | Guadalquivir river branch in Seville, Spain |