Bottom trawling is trawling (towing a trawl, which is a fishing net) along the sea floor. It is also referred to as "dragging". The scientific community divides bottom trawling into benthic trawling and demersal trawling. Benthic trawling is towing a net at the very bottom of the ocean and demersal trawling is towing a net just above the benthic zone.
@Wikipedia
In the MSP Challenge Game Bottom Trawling affect
The following table indicates the t/km2 catch on the basic settings of the game. Increasing or decreasing the fishing effort will result in increased impact on the following groups.
The following diagrams show the impact of different Fishing Fleets on ecology. The different types can protect against the impacts of the indicated fleets.
Bottom Trawl
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