Technical plans of otter trawls scale models for teaching fishing technology

Abstract

Physical models can help to teach over the manufacture and design of fishing gears, inciting questions, communicating ideas, and suggesting hypotheses about the behavior patterns of fishing gears in the aquatic environment. In this context, these models provide an alternative tool to the traditional educational approach in fishing technology. So, the present work offer an innovative perspective for fishing technology in Brazil: we proposed four technical plans for the manufacture of miniature otter trawling miniatures, which were designed to cover the construction diversity of construction plans for this fishing method. The suggested technical plans allow to obtain prototype models with the same geometric shape of traditional net plans. The technical plans considered the use of polyamide multifilament with 25 mm of mesh opening in all models. We hope that this proposal can promote new didactic resources dedicated to fishing gears projects, encouraging the students to a reflective process, enabling the qualification of human resources capable to generate viable technological alternatives for the fishing activity.