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Conte Anadromous Fish Branch


With their unique life histories, anadromous fishes require special consideration in understanding their biology and developing management strategies. During the Industrial Revolution, many populations of anadromous fishes were severely depleted or extirpated by damming, pollution or alteration of their migratory or spawning habitats. Some measures were taken in the late 1880s to provide access for anadromous fishes around dams by construction of rudimentary fishways, or by stocking fish into habitats that historically supported large runs. However, without a complete understanding of the ecology, life history and environmental needs of these species, many of these efforts failed to restore naturally reproducing populations within [...]

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