Water temp is part of the key. Other factors include but are not limited to the length of day, moon phases, cold front passages, water level fluctuations and of course water clarity. As far as bugs go, what will determine populations more than anything is the conditions available to them when they are ready to reproduce. If a cold winter will keep the populations down then why does the coldest U.S. state have one of the worst summertime mosquito problems? http://alaskatrekker.com/mosquitos.htm




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