| In the Jalón subbasin problems related with water for human consumption have been identified over recent years. |
| To apply the integrated approach to best effect, the level of catchment, river basin or subbasin should be considered, where appropriate. |
| Looking beyond national borders to the subbasin level offers a wider lens to view options for cooperation. |
| The Piceance-Yellow subbasin lies in the Intermontane Plateaus physiographic division. |
| Combined with a transboundary approach, it shows the possibility of building European unity on the local scale of a subbasin. |
| Apart from the water required by the population of the subbasin, there is also demand on the part of the various industrial sectors. |
