River- and Sex-Specific Annual Survival Rates of Mature Anadromous Alewife (Alosa pseudoharengus)

Figure 1

Chignecto Isthmus study area (open square in the insert map) showing PIT tracking antenna arrays (●) during 2013–2021 at fishways (□) and tide gates (Δ). The fish symbol in white circle indicates fishing and tagging sites during 2013–2021. LaPlanche tide gate (A); old LaPlanche tide gate (B); 2017 La Planche river cross-section array (C); 2013 LaPlanche river tagging site (D); LaPlanche river cross-section and fishway arrays (E); Missaquash tide gate (F); Missaquash cross section and fishway arrays (G); La Coupe tide gate (H); 2014–2018 La Coupe tagging site (I); La Coupe cross-section, fishway, and upstream arrays and 2013 tagging site (J); Tantramar tide gate (L); Robinson’s Brook culvert (M); rockway/nature-like fishway (N); Prince Edward Island, P.E.I.