This week we are doing repairs on a smal stream called Joujoki. The stream is smal and from 2 to 10 meters wide. We do the repairs to help the trout and grayling with spawninggrounds and places for the fish to hide and rest.
So far this week we have placed out a lot of stone in the stream to get as many places for the fish to as possible. At the stretch of stream my group worked on there were alot of stones already but they were placed really poorly, so what we did was that we replaced the biggest stones to break up the stream into smaller sections that go between the stones. We also tried to make as much whitewater as possible to get as much oxygen into the water as we could.
Today we did some testfishing to se what species that are in the stream. The result were surprising, we found brown trout, grayling, quappe and sculpins. I was surprised when we cought the quappe.
We also catch some insects to se what insects there are and how much food the fish have. We found alot of mayflies, both Danica nymphs, some heptagenidae and some other smaller mayflies. Stoneflies are there a lot of and also a lot of caddislarva, both the Hydropsyche and the Rhyacophila. So it seems the fish have a lot of food, both for the smal and big fish.
Tomorrow we are going to make some spawninggrounds before the trout start spawning. That is going to be really intressting to do.
/Tight lines
Inga kommentarer:
Skicka en kommentar