Emergence of shore fish traps ‘pattivalai’ - their design and economics of operation along Mandapam coast

摘要

Shore fish traps, locally known as ‘‘pattivalai’’udare being operated along the Palk Bay and the Gulfudof Mannar coast from Thangachimadam toudPudumadam for a stretch of 35 km. In 1990, thereudwere only a few numbers, which has sinceudincreased to more than 30 at present (Fig. 1).udThis new fishing operation was introduced byudSrilankan refugees staying in Mandapam camp.