Advertisement
Advertisement
beam trawl
noun
- a trawl net whose lateral spread during trawling is maintained by a beam across its mouth.
Example Sentences
The fish was retrieved from a beam trawl trailing through Australia's eastern abyss, where John Pogonoski from the Australian National Fish Collection immediately recognized the rarely seen predator.
The benefit of the otter trawl for fishers was that it could catch groundfish like cod, not just the flatfish scared up by the beam trawl.
The classic beam trawl was also increasingly joined by the otter trawl, a modification that keeps the front of the net open with steel or wooden doors that gouge out huge furrows and send up an opaque cloud of mud, rocks, seagrass, and anything else that might be in the path of the net.
The beam trawl is more robust than the otter trawl, and was used for most of the bottom-sampling done from the ship.
This is known as trawling, and the DA-BFAR can do it with either a beam trawl or an otter trawl, two very different types of sampling net that should provide us with a good picture of the deep-sea fauna below our keel.
Advertisement
Advertisement
Advertisement
Advertisement
Browse