Relacionar Columnas Fisheries & AquacultureVersión en línea Definition and methods por Paola Silva 1 Bag & rack 2 Beach and boat seines 3 4 Open net pens 5 Aquaculture 6 Suspended culture 7 Fisheries 8 Longlines 9 Purse seines 10 Seine nets encircle and herd fish with a long wall of netting. The catch of unwanted species can be a conservation concern Bottom trawl Raising and harvesting of marine species in controlled environments The fish are surrounded by a large wall of net. When floating objects are used, the capture of vulnerable marine life can be a concern. Large-scale fish hunting, often using invasive techniques Fishing line and grapnel with multiple hooks. There's very little bycatch.
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