https://phys.org/news/2018-07-redefining-small-scale-fishing-english-fisheries.html > New research at the University, however, has shown that the impact of small-scale fishing vessels is currently skewed by a length-based definition of scale which doesn't account for fishing capacity. > Whilst some small boats catch small volumes of fish, others have the ability to catch significantly more, despite being grouped in the same 'small-scale' category, the report says.