South East Fishery (SEF) Ecosystem Study 1993-1996: Focussed habitat sampling - Fish Trap (Starfire 1994)

Focussed habitat sampling of macrohabitats (defined by bottom type, soft hard or rough) in Gabo and Howe Reef mesohabitats (key study areas presenting a variety of shelf habitats describd by fishers) using fish traps from a commercial vessel. Traps were deployed and retrieved at dawn and dusk giving near equal day/night saoking times. 15 deployments (14 deployments of 5 traps, 1 deployment of 2 traps) yielded ~1 t fish.

本研究使用商用渔船搭载的渔笼（fish trap），对盖布礁（Gabo Reef）与豪礁（Howe Reef）的中尺度生境（mesohabitat）内的大型生境（macrohabitat）开展针对性采样：该大型生境以底质类型（软质、硬质或粗糙底质）进行界定，而上述礁区的中尺度生境作为核心研究区域，涵盖了渔民所描述的多种陆架生境。渔笼于黎明与黄昏时段完成投放与回收，使得日间与夜间的水下浸泡时长近乎相等。本次采样共计完成15次布放作业，其中14次作业各投放5个渔笼，1次作业投放2个渔笼，最终共获渔获物约1吨。