  | The presence and proliferation of non-native exotic aquatic species. Non-native alien species are the second largest cause of loss of global biodiversity. |
| The risk of extinction in Banyoles lake of populations of species of European interest: the european pond turtle (Emys orbicularis), the mediterranean pond turtle (Mauremys leprosa), the Mediterranean Barbel (Barbus meridionalis) and freshwater mussels (Unio elongatulus). |
| Recreational fishing in the lake. |
| The increasing eutrophication of a part of the lake bottom and degradation of vegetation of European interest. |
| The proliferation of non-native exotic plant species in alluvial habitats of community interest. |
| Retreat of the alluvial habitats of waterside woods of community interest. |
