Bottom trawling

Bottom trawling is a method of fishing that involves dragging heavy nets along the sea floor. This method is commonly used in the fishing industry to catch species that live near the bottom of the ocean, such as cod, flounder, and halibut. However, it is also controversial due to its impact on the marine environment.

History

The practice of bottom trawling dates back to at least the 14th century in Europe, where it was used to catch species like herring. The method became more widespread with the advent of steam-powered boats in the 19th century, which allowed for larger nets to be used.

Method

In bottom trawling, a large net with heavy weights is dragged along the sea floor. The net is held open by a trawl door, which can weigh several tons. The net is designed to catch fish and other marine species that live near the bottom of the ocean.

Impact

While bottom trawling is an effective method for catching certain species, it is also highly destructive to the marine environment. The heavy nets can damage the sea floor and destroy habitats, leading to a loss of biodiversity. In addition, the method often results in high levels of bycatch, or the unintentional capture of non-target species.

Regulation

Due to its environmental impact, bottom trawling is regulated in many parts of the world. Some countries have implemented bans or restrictions on the practice in certain areas, while others require modifications to the trawl gear to reduce bycatch and habitat damage.

See also

• Overfishing
• Sustainable fishing
• Marine conservation

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