The estimated curves characterize crop losses due to droughts as well as excessive rains causing siltation, excessive soil humidity, and floods.
They could also include the non-market, off-site values associated with watershed protection, such as stream flow maintenance and prevention of river and inshore siltation.
Soil erosion not only affects soil depth but leads in addition to rapid siltation of reservoirs.
Before deciding that, we need to know more about the effect of river siltation and on the ground-water table.
Who is to agree the amount of extra siltation caused by the scheme?
The present position is that further reports are being called for on siltation.
This found siltation of the river gravels and a corresponding smothering of fish spawning reeds.
Pilots cannot predict the consequences of changes in a port, which alter the meandering of a river or its siltation, or create new banks.
