Fishing in Freshwater

Understanding Turnover To Know The Best Times For Freshwater Fishing

Fishing may be a relaxing activity but don’t go without equipped with the right tools and the knowledge on the best times to catch freshwater fish. And if you’re one to engage in fishing, there’s a term you need to be familiar with to increase your chances of catching a fish: turnover.

Turnover refers to the changes of the water (lake or pond), wherein the surface and bottom of the water switch. This happens twice a year. There’s a turnover in spring and fall and a stagnation in summer. From spring to fall, the cooler water moves from bottom to top while the warmer waters switch from top to bottom. Have a good understanding of how the waters exchange and you’ll be better at landing freshwater catches.

Spring Turnover

When the winter ice has melted, the surface of a lake starts to get warm. Once it reaches a temperature of 39 degrees, this warm water will then be replaced from the cooler water from the bottom of the lake.

This switch in temperatures will continue until the entire lake has a constant water temperature. In this case, freshwater fish are usually found in the shallow portions of the lake where the water warms up rather quickly.

Fall Turnover

As the fall season settles in, air temperatures become cooler, cooling the temperature on the surface of the lakes. The autumn winds allow the surface water to move around, letting the top waters mix more with the water at the bottom. The mixing of warm and cold water continues and the water will then reach a constant level of temperature and oxygen. This time, fish will move about freely.

Summer stagnation

In summer, the heat of the sun constantly warms the surface of the waters. However, this warmth doesn’t move to the bottom of the lakes. Eventually, there will be a warm layer of water over the cool layer. While fish like the cool waters, they also need warmer waters for oxygen. In this case, they’ll like it best in an area where there are cool and warm water layers called thermocline.

A good fishing spot is an area on the shoreline that gradually slopes down to a thermocline, where fish gather in groups.

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