Streamflow effects on spawning, rearing, and outmigration of fall-run chinook salmon (Oncorhynchus tshawytscha) predicted by a spatial and individual-based model
Conference
·
· Bulletin of the Ecological Society of America; (United States)
OSTI ID:7023559
- Oak Ridge National Lab., TN (United States)
The thread posed to Pacific salmon by competing water demands is a great concern to regulators of the hydropower industry. Finding the balance between fish resource and economic objectives depends on our ability to quantify flow effects on salmon production. Because field experiments are impractical, simulation models are needed to predict the effects of minimum flows on chinook salmon during their freshwater residence. We have developed a model to simulate the survival and development of eggs and alevins in redds and the growth, survival, and movement of juvenile chinook in response to local stream conditions (flow, temperature, chinook and predator density). Model results suggest that smolt production during dry years can be increased by raising spring minimum flows.
- OSTI ID:
- 7023559
- Report Number(s):
- CONF-940894--
- Conference Information:
- Journal Name: Bulletin of the Ecological Society of America; (United States) Journal Volume: 75:2
- Country of Publication:
- United States
- Language:
- English
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