What kind of atmospheric pressure environment is suitable for fishing?

The standard atmospheric pressure is 10 1 kPa, above which is high pressure, and below which is low pressure. Fishing depends not only on the atmospheric pressure (generally standard atmospheric pressure and above 10 1 kPa is ok, and 65438- 1028 Pa is suitable), but also on the dog days. If the air pressure is 96 kPa on Monday, 98 kPa on Tuesday and 100 kPa on Wednesday, then the fishing port on Wednesday should be good, because it has been rising, the oxygen in the water has been rising, and the fish are more in the mood to eat bait.

Fish is a temperature-changing animal, which is very sensitive to the changes of temperature and pressure in nature. Their weather forecast is even more accurate than the most experienced weatherman. Fish live on food. With the long-term natural evolution, it can be sensitive to the subtle changes in the growth environment and guide its feeding behavior.

When the temperature drops suddenly and the air pressure rises, the comfort, activity and appetite of a fish increase.

The main reason why low air pressure affects fishing is that the oxygen content in water will decrease due to the decrease of air pressure. Oxygen molecules in the air collide with the water surface and enter the water. The greater the air pressure, the greater the collision intensity, and the more oxygen dissolved on the water surface, and vice versa. It is especially obvious in summer: due to high temperature and low air pressure, oxygen in water is reduced; Coupled with the high surface temperature of water, convection is difficult to form and oxygen is less; If there were no wind, there would be surprisingly little oxygen. In severe cases, the fish will float or even die.

Finally, the fishing index can not be completely determined by the air pressure of fishing time, but also should be comprehensively considered according to various weather environments and geographical environments before and after fishing time.