Fishing Net: Understanding the Different Types of Commercial Fishing NetsFishing nets are essential tools for commercial fishing. They come in different types and sizes, each designed for specific fishing methods and target species. In this article, we will explore the different types of commercial fishing nets, from gillnets to purse seines, and understand their unique features and applications.Gillnets: The Classic Fishing NetGillnets are one of the oldest and most traditional types of fishing nets. They are made of nylon or monofilament mesh and are suspended vertically in the water column. Fish swim into the net and get entangled in the mesh, making it easy for fishermen to haul them in. Gillnets are commonly used for catching salmon, herring, and other small pelagic fish.Trawls: The Bottom-Dwelling NetTrawls are large, cone-shaped nets that are dragged along the ocean floor. They are designed to catch bottom-dwelling fish such as cod, flounder, and shrimp. Trawls are made of heavy-duty nylon mesh and are attached to a trawl door that keeps the net open as it is dragged through the water. Trawling is a highly efficient fishing method, but it can also have a significant impact on the ocean floor and non-target species.Purse Seines: The Encircling NetPurse seines are circular nets that are used to encircle schools of fish. The net is set around the fish, and the bottom of the net is then drawn closed like a purse, trapping the fish inside. Purse seines are commonly used for catching tuna, sardines, and other large pelagic fish. They are highly selective and have minimal impact on the ocean floor, making them a more sustainable fishing method.Longlines: The Hook-and-Line NetLonglines are fishing lines that are set with hundreds or even thousands of baited hooks. They are used to catch large, deep-sea fish such as swordfish, tuna, and halibut. Longlines are highly selective and have minimal impact on the ocean floor, but they can also accidentally catch non-target species such as sea turtles and sharks.ConclusionUnderstanding the different types of commercial fishing nets is essential for sustainable fishing practices. Each net has its unique features and applications, and choosing the right net for the target species and fishing method is crucial. By using more sustainable fishing methods such as purse seines and longlines, we can help protect our oceans and ensure a healthy future for our fisheries.Related Websites:1. Fisheries and Oceans Canada: https://www.dfo-mpo.gc.ca/fisheries-peches/index-eng.html2. Marine Stewardship Council: https://www.msc.org/3. National Oceanic and Atmospheric Administration: https://www.noaa.gov/fisheries
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