Milfoil In Lakes

I grew up in northern Wisconsin and have for a long time spent most of my time in the outdoors whether it is fishing, hunting, trapping or any other recreational activity. Out of all the activities fishing is the one I have been doing the longest and enjoy the most. Anyone that fishes has their favorite spots they like to go to depending on the targeted fish. For a lot of years I fished the same spots. In recent years a good portion of these spots have been taken over by milfoil. There are many parts of the lakes that you can’t drive across anymore because they are so plugged up with the weeds. I didn’t mind loosing the spots because it gave us a time to find new ones. We had just as much success fishing in other areas. This last spring the first time we were out we noticed a good number of signs around the lake indicating that there had been a weed killer applied to the lake. In my field of study this is not an issue we talk about therefore I am not educated to the effects these things have on the lakes they are applied to. There were two lakes that had these signs posted on them and it was strange what the outcomes were for each lake. The two lakes were Lake Mohawksin and Bridge Lake. On Lake Mohawksin the fishing stayed about the same however it was a different story for Bridge Lake. The fishing success on Bridge Lake went down a considerable amount. We had one of our worse years for open water and ice fishing. I don’t know much about this matter so it makes me wonder why the same chemical used on two different lakes has such a different affect. One thought that we had about it is that there is a considerable difference in the amount of current that goes through these two lakes. Bridge Lake does not have nearly the current flow that Lake Mohawksin has. Like I said earlier I do not know what the effects this weed killer has on the lakes of this area so it makes me wonder if the current does have an effect on the success of the weed killer. It makes me wonder what the future of the lake will be. It is one of my favorite lakes to fish and I would like to see a rebound of the species so it is returned back to the way it was before the weed killer was applied. It’s strange because you don’t see any dead fish floating around it’s almost like they are out of the lake completely. Another thought was that the weed killer had an effect on the smaller bait fish that the walleye feed on which then causes the walleyes to move to the larger Lake Nokomis. I wish that I knew more about this issue so I could know what caused the absence of the walleye in the lake.