Key features of gill nets include:
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Mesh size: The size of the mesh determines the size of the fish caught. Fish of a certain size can pass through the holes in the netting, while others get trapped.
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Length and depth: Gill nets come in various lengths and depths, depending on the target species and fishing location. Longer and deeper nets can capture larger quantities of fish.
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Material: Modern gill nets are typically made from nylon or other synthetic materials, which are strong, durable, and resistant to degradation in water.
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Regulations: The use of gill nets is often regulated by fishing authorities to prevent overfishing and protect endangered species. Regulations may include restrictions on mesh size, net length, fishing season, and the area where they can be used.
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Environmental impact: While gill nets can be an efficient fishing tool, they can also have negative impacts on marine ecosystems. They have been associated with bycatch of non-target species, including endangered or protected species, and can cause habitat damage if lost or abandoned in the water.
Overall, gill nets are a widely used fishing gear that can be effective for catching specific types of fish, but their use requires careful management to ensure sustainable fishing practices and minimize environmental harm.
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