Tomorrow we will have an interesting meeting with our mentor and the chairman of VIRHO (http://www.virtavesi.com/). We can represent him our ideas and then hear his opinions about them. It is very interesting and useful because Virho has done so many projects related to river restorations. Probably we can get a lot of good information for example about the fishes. In order to design a fishway properly, we need to know what kind of fishes would be swimming in the river. For example, if there would be sturgeon (well for sure there isn't, but it's a good example anyway), a vertical slot fishway should be much wider (pool width = 3 m) than if the biggest fish would be salmon (pool widht = 1,8 m).
We have read a couple of good books about the desig and planning of wishways. Tomorrow we will find out more about the details and on Wednesday we will go for a study trip (to the dams) to find out more about some details.
- Mika
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