Fig. 7From: The effectiveness of spawning habitat creation or enhancement for substrate-spawning temperate fish: a systematic reviewThe number of studies per outcome metric in relation to the life stage presented. The number of studies shown exceeds the total number of included studies because data for multiple life stages were often presented within a study. Egg: nests, redds, or eggs (zygote or developing embryo); Age-0: alevin, fry, YOY; Adult: adult spawnersBack to article page