Recreational use of Pärnu river (essee)
in a way, that when the water level exceeds some point, the sewage water will be sent
directly to the outflow or in some cases to some biopools.
There are a lot of straight drainage systems, ditches and dykes near the forests and
farmlands which used to be excessively damp. This contributes a lot to the flooding in the
spring, because the water will reach the main river in a very short time.
The flood plain grasslands located along the riverbanks are the typical example of plant
communities formed as a result of the joint influence of river floods and human activities.
They used to maintain the grassland through hay-making but now the endorsements are
very low and owners don't take care of the land at the river bank. Some scientists think
that letting the grasslands grow untouched is good for the biodiversity, but this is not the
case here. For example eagles, which hunt on these grounds just abandon these areas and
annaabi.ee 
