Technical Report Modified Bottom Trawl Net (High Opening Characteristic) of Thailand

Abstract

Technical Report on Modified Bottom Trawl Net (High Opening Characteristic) of Thailand aims to investigate and update bottom trawl net constructions modified by local Thai fishers, operated in the Gulf of Thailand. The survey on otter board trawl net design is conducted at Trat province. The survey on pair trawl net designs is conducted Samutsakhon province. There are four (4) trawl net designs comprises two (2) otter board trawl nets and two (2) pair trawl nets. With the reference to Fishing gear in Asia I (Thailand) published by SEAFDEC in year 1988 and revised in year 2004, Information collected by survey revealed two bottom otter board trawl and two pair trawl nets are new design. Trawl fishing technology modification is emphasized on the target species and improvement of fishing performance in particular high opening characteristic.