In the vast oceans and rivers, fishing has been one of the most important ways for humans to obtain food since ancient times. In the process of fishing, the net is an indispensable tool. Today, let's walk into the world of fishing nets and learn about its types, options and applications.
1. Types of fishing nets
Trawling: A trawl is a large type of fishing net that is usually dragged by one or more fishing boats. It is suitable for fishing in deep sea or large bodies of water and can catch large quantities of fish.
Purse seine nets: Purse seine nets are a type of fishing net that encloses fish and is usually used for fishing in shallow or coastal areas. It is able to effectively confine the fish to a certain range and facilitate fishing.
Gillnet: A gillnet is a type of fishing net with a sharp barbed hook that is used to pierce the body of a fish and catch it. It is suitable for fishing small and medium-sized fish.
Trapping: A trapping net is a small, hand-held fishing net that is used to catch fish in nearshore or shallow waters. It is portable and easy to use, suitable for individual or small-scale fishing.
2. Precautions for choosing a fishing net
Mesh size: Mesh size refers to the size of each grid in the fishing net. Choosing the right mesh size is essential to protect fish stocks and improve fishing efficiency. Excessively large meshes can lead to bycatch of juvenile and immature fish, while too small meshes can affect fishing efficiency.
Material and process: The material of fishing nets is usually nylon, polyethylene, etc. High-quality materials and workmanship can ensure the durability and effectiveness of the fishing nets. When purchasing, attention should be paid to checking indicators such as the texture, weaving density and strength of the net.
Safety: When using fishing nets, attention should be paid to safety issues. Avoid using broken or aged fishing nets to avoid accidents. At the same time, during the fishing process, attention should be paid to the safety of the surrounding environment and other vessels, and relevant regulations and operating procedures should be observed.
3. Environmental protection and sustainable development of fishing nets.
With the continuous exploitation of marine resources, it is becoming more and more important to protect the ecological environment and achieve sustainable development. When choosing and using fishing nets, we should pay attention to environmental protection and sustainability.
Reduce bycatch: Choose the right mesh size and net type to reduce bycatch of juvenile, immature fish and non-target species. This helps to preserve the ecological balance and diversity of fish stocks.
Use environmentally friendly materials: choose fishing nets made of degradable or environmentally friendly materials to reduce pollution to the marine ecological environment. At the same time, the research and development and application of more environmentally friendly and sustainable fishing net materials and technologies are encouraged.
Fair fishing: Comply with local fishing regulations and fishing quotas, and do not overfish. Rational planning of fishing activities to ensure the sustainable use of fishery resources.
*Utilization: For discarded fishing nets, they should be carried out and disposed of. Avoid discarding discarded fishing nets in the ocean or rivers to avoid harm to the ecological environment.
In conclusion, fishing nets are an important tool in the fishing process. When selecting and using, we should pay attention to the variety, precautions, environmental protection and sustainable development. Through the scientific and rational selection and use of fishing nets, we can make better use of fishery resources, protect the ecological environment, and realize the harmonious coexistence of man and nature.