Fall synchrony between leaf color change and brook trout spawning in the Laurentides Wildlife Reserve (Québec, Canada) as potential environmental integrators

► Survey of 551 redds counts and 193 digital images in a wildlife reserve. ► A first example of synchrony between brook trout spawning and leaf color change. ► Development of a color index capturing fall foliage changes in deciduous trees. ► Monitoring freshwater processes with terrestrial integrators.