Research Document 1997/38

The Status of the Atlantic salmon (Salmo salar L.) stock of three selected rivers in SFA 14A, Newfoundland, 1996

By C.C. Mullins

Abstract

The mean counts of small and large Atlantic salmon at counting facilities on Lomond River, Torrent River and Western Arm Brook in 1992-96 (moratorium years) were greater than the 1984-91 (pre-moratorium years) means. The mean smolt-to-adult survival rate on Western Arm Brook in 1992-96 was also greater than the 1984-91 mean. Conservation egg deposition and spawner requirements were exceeded on all three rivers in 1992-96. On the basis of the recruit-to-spawner relationships, the recruitment of small salmon in 1997 is expected to be greater than in 1996 on Lomond River and Torrent River, provided the smolt-adult survival rate remains the same as in 1996. Spawning escapements are expected to exceed conservation requirements on all three rivers in 1997. The total population size of small salmon on all three rivers in 1992-96 was less than in 1984-91. Even with increased recruitment, this trend is not expected to change in 1997.

Complete document (PDF, 1,543 KB)

Accessibility Notice

This document is available in PDF format. If the document is not accessible to you, please contact the Secretariat to obtain another appropriate format, such as regular print, large print, Braille or audio version.