Saturday, April 16, 2011

Water Slowing Down ~ Still Too Cold

The water has slowed down considerably since Wednesday's storm. Compare the video below [taken 11:30 today] with that of the April 13th post.



The water level in the pipe in about 1/3 of the way up now - it's about 1/4 of the way in normal conditions.

But that's not the only thing that's keeping the herring away - the water temperature is only 47.8F, short of the 51F that they prefer.

So we won't see anything for a day or two at least.


So what do the herring do when there's an obstruction:
In the March 27th post I explained what happened in 2010 with the heavy rains, and that I did research as to what the herring would do when confronted with an obstruction in their migratory path.

The answer is that while they have a natural tendency to return to their natal pond/stream, they will not give up if they can't get there. They'll instead go back down stream and find another one closeby that others are migrating to.

So does this mean that those offspring will return to that other pond instead to spawn? We'll find out in 3-4 years when those born in 2010 return.

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