Siltation and Egg Survival in Incubation Channels

Autor:	R. D. Pollock, J. M. Shelton
Rok vydání:	1966
Předmět:	Fishery Hydrology Settling basin Environmental science Sediment Aquatic Science Structural basin Incubation Ecology Evolution Behavior and Systematics Siltation Communication channel
Zdroj:	Transactions of the American Fisheries Society. 95:183-187
ISSN:	1548-8659 0002-8487
DOI:	10.1577/1548-8659(1966)95[183:saesii]2.0.co;2
Popis:	Fall-chinook salmon eggs in Abernathy incubation channel suffered as much as 85% mortality when 15 to 30% of the voids in the gravel beds were filled with sediment. With one 70-foot section of the channel used as a silt-settling basin, the mortality was reduced to 10% or less. We believe that a siltation control system consisting of a flushable sand trap and settling basin constitute the most economical means of reducing the amount of sediment entering this and similar channels.
Databáze:	OpenAIRE
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