| In fact, the access routes to Belgian ports have to be dredged constantly to deal with a problem of silting. |
| Intrigue, and riot, and suppression, and the silting up of the Zwyn were driving trade from Bruges. |
| This system often leads to lands fertility loss due to hydrous erosion, to silting up and alkalization. |
| In fact, silting is mentioned in a remark on the CHS marine chart for the area. |
| Which, however, was probably already being weakened by the silting up of the Pisan harbour. |
| There too the results are very variable depending on the dams, their silting cadence and the cost of de-silting when it is necessary. |
