Golden Fishery
1839. Longline fishing
Purse seine fishing is a technical job and cannot be done recklessly. The two fishing boats moved slowly on the sea surface, gently controlled the nets to swing with the undercurrent, and waited for Qin Shiou's command without encircling them.
Driving the fishing boat are two old fishermen, Zach and Alder. They made the right choice now. They use tacit cooperation to drive the fishing net to rotate, so that even if the fishing net cannot be encircled, the fish in it will not escape.
Qin Shiou frowned and looked ahead thinking hard, Zhong Dajun didn't dare to disturb him, so he asked Mao Weilong in a low voice: "What's the matter? Do you know what to do now?"
Mao Weilong scratched his head and said, "I don't understand. I'm a farmer and I only know a little about crops and livestock. I'm not sure about the sea affairs."
Hearing what the two said, Qin Shiou turned around with a smile and said, "Okay, just ask me directly. I'm not in the college entrance examination, so it doesn't matter if I chat casually. There are two main methods of operation for closing the fence. Zhang is the main one, and I have to think carefully about which method to use to collect the net."
In winter fishing, the main method of operation is to use tents. The direction of setting the net is based on the wind direction, flow direction and the movement of the fishing object. Keep the net mouth facing the direction of the fishing object. Slowly drag for half an hour to keep the net full. Stretch out to surround all the fish and collect the net.
But now the wind direction and current direction are unfavorable for them to collect their nets, so this method cannot be used. Qin Shiou thought about it and directed the two fishing boats to use another method of operation to fish, which would consume more gasoline and manpower, but would be more expensive. safe.
Qin Shiou continued to issue orders on the radio, and the following two ships once again set a main ship and an auxiliary ship. The horsepower of the two ships was about the same. Made the main ship. Alder's ship was more flexible, and he became an auxiliary ship.
Zach gave an order, and the fishermen on the boat began to work together. They fixed the nets on the starboard deck, and someone watched them. If the net stretched too much, he had to loosen the net to keep it from breaking.
At this time, the upper and lower rails of the purse seine are fully unfolded, the right net wing is in front, the left net wing is behind, the main ship anchors and stops, and the auxiliary ship makes the starboard side face the main ship, and then rotates while collecting the net.
Qin Shiou monitored the merging of fishing nets in the water through the sea god consciousness. When he reached the sea area where the current was relatively gentle, he ordered to start pulling the net.
At this time, the main ship and the auxiliary ship gradually moved closer together, and the two ships met on the port side. After the auxiliary ship handed over the dragging, branching, and carrying guides to the main ship, it adjusted its position and turned to pull the net wings on both sides together with the main ship.
There are winches on both boats, and as the winches turn, the wire ropes drag the fishing nets and begin to close.
Melon Princess is far away,
Mao Weilong and Zhong Dajun couldn't see the situation on the two boats clearly, and they didn't understand why the fishermen around had serious expressions on their faces.
Qin Shiou immediately explained to them. Bluefin tuna is a big wild fish that can grow up to three or four meters long because of its bomb shape. If they charge wildly with all their strength, the impact force is really similar to that of a bomb. If the net is not collected well, they may tear the fishing net into pieces.
Zhong Dajun couldn't believe it, he pointed to the fishing net and said: "Damn, this fish is so strong? I see that the rope of the fishing net is as thick as my thumb, even a car can catch it?"
Qin Shiou said: "If it's just a single impact, then the fishing net is not afraid, but once the bluefin tuna go crazy, they will attack continuously. If the impact force is superimposed, it will be more destructive to the fishing net."
In this situation. The net collection direction of the seine net does not need to keep the network port and the flow direction consistent, during the net collection process. The two boats will tow the fishing nets downstream for a period of time. With the help of the tide, the nets will be fully opened to increase the living space of the fish, and try not to make the bluefin tuna feel panic.
The three boats took almost all the fishermen on board this time. More than 50 people participated in this fishing operation. Except for Zach and Alder who brought five people each to lower and collect the nets, the rest were all in Melon. aboard the Princess.
They are fully equipped, like warriors ready to attack, with one order, the whole army assaults!
The order they were waiting for was to prepare for longline fishing.
When the two boats started to collect their nets, they followed the current and left the sea area, and there were still some fish that slipped through the net around here. They relied on longline fishing to catch these fish.
Qin Shiou waved his hand, and the fishermen straightened out the coiled trunk lines on the stern of the boat, and they started to work.
Longline fishing is the most important operation method in fishing tackle, with the widest distribution and the highest quantity and output. This thing is to tie many equidistant branch lines on a main line, with hooks and bait at the end, and use floating and sinking devices to lay them on the surface, middle and bottom, and connect a series of hooks below to attract fish. Get hooked.
It is best to set the line in the direction of cross flow or oblique flow. Generally speaking, tuna likes to feed against the current, so that the direction of line release is perpendicular to the direction of the sea current, which can better attract tuna.
Longline fishing is another fishing method that requires manpower. A main line is often five or six kilometers long or even longer. For example, the main line on the Melon Princess is eight kilometers long, and there is a branch line ten meters away from it. Hang hooks and bait on the attached branch line.
That is to say, there are 800 branch lines on one main line, and two hooks before and after one branch line, and a total of 1,600 hooks and baits need to be hung, which is a considerable workload!
But this work had to be done on the spot, and it was impossible to hang the hooks on the line in advance. The eight-kilometer main line could not be coiled at all, and once coiled together, the ropes would become entangled, and it was impossible to untie them at that time.
The Melon Princess is moving at a constant speed of six knots. The fishermen work quickly at the stern, like a production line. The main line falls into the sea. The branch line must be hooked and baited before falling into the water, otherwise the resource of this line will be wasted. .
In addition to hooks and baits, there are also people who are responsible for adding floating balls. There is one branch line every ten meters, and two floating balls are added for every five branch lines to maintain buoyancy. And every time the floating ball is installed twice, a pressure alarm is also installed.
This alarm is the most important. When the fish take the bait, they will pull the branch line to sink. The alarm will feel the pressure change and will flash a dazzling light, so that the fisherman can find the fish in time and catch them up.
Tunas are fierce and tough. If they cannot be caught in time after they are hooked, these guys will try to escape. Even if they do not escape, they will struggle crazily and cause the main line to become entangled. Once the hooks become entangled, it will add a lot of labor to the fishermen.
Twenty fishermen were divided into two groups, one group worked and the other rested. They were like mechanical arms on the assembly line, skillfully and precisely hanging hooks, baits, floats and alarms on the ropes.
(To be continued.)
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