Research Document - 2001/060
A Brief Review of Biological Characteristics and Assessment of the Commercial Gaspereau Fishery on the Lower Saint John River, N. B.
By Jessop, B.M.
Abstract
The trap-net fishery of the lower Saint John River typically harvests 70-90% of the gaspereau caught downstream of the Mactaquac Dam. The gaspereau catch of the lower river has been below its long-term mean for over 20 years. Biological data collected periodically since 1973 indicates that high fishing pressure has reduced the proportion of fish older than age-8 and the proportion of previous (repeat) spawners in the various fishing areas (geographic substocks). Exploitation rates must be reduced if any substantive increase in future catch is to occur.
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