怎样才知道水中是否有鱼？(国外英文资料).docVIP

怎样才知道水中是否有鱼？(国外英文资料) There are also dark blue, red, and a few Water color is very clear, but peculiar smell is pungent. These water or acid, alkali or excessive, or industrial emissions of mercury, oxides and other chemical hazards Matter, serious water living creatures, light fish rare; abnormal growth, strange colors and peculiar smell, can not be fishing. In addition, the turbidity and the status is also closely related. The fish with the right turbidity is the fish A cheerful place to forage. If the turbidity of water is divided from 0 to 10 degrees into 11 grades, the water is 0 degrees, saturated mud Water is 10 degrees, so the most suitable for muddy water fishing should be between 4-6 degrees, which is not clear it is not mixed with. This turbidity of water, water below 0.15 - 0.3 meters of water plants looming. However, note that, even in In the same water area, the color of water is often different. In such waters, water and turbidity should be chosen Fishing for thought. Two, look at the blisters That is, the fish caused by blisters, also known as fish star or fish news.. When the fisherman came to the water. Just watch your eyes If you look at it, you will find that there are different sizes of blisters on the surface of the water. This is the fish breathing, feeding and other activities touch the soil A form of air bubbles. It is the main sign that reflects the direction of the fish swimming, the variety, size and density of the fish. Found fish star, indicating that there are fish; fish star more, indicating more fish, fishing is a good place. Different fish produce themselves Stars are different. The fish is large and the fish stars are bigger and larger. The fish is small and the fish is small and small. What is the size of the fish? Identification of fish stars can be judged. Here are a few freshwater fish for example: crucian carp fish Star: caused by feeding, blisters thin and dense, A continuous bubble, the size of the same, each bubble is only