Author: George A. SwanPublisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 59
Book Description
Distribution and Relative Abundance of Deep-water Redds for Spawning Fall Chinook Salmon at Selected Study Sites in the Hanford Reach of the Columbia River
Author: George A. SwanPublisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 59
Book Description
Columbia River, Hanford Reach, Comprehensive River Conservation Study
Author: Water-resources Investigations Report
Author: U.S. Geological Survey Toxic Substances Hydrology Program
Author: U.S. Geological Survey Toxic Substances Hydrology Program. Technical MeetingPublisher:
ISBN:
Category : Water
Languages : en
Pages : 498
Book Description
U.S. Geological Survey Toxic Substances Hydrology Program: Contamination of hydrologic systems and related ecosystems
Author: U.S. Geological Survey Toxic Substances Hydrology Program. Technical MeetingPublisher:
ISBN:
Category : Water
Languages : en
Pages : 510
Book Description
Effective and Safe Waste Management
Author: Robert L. JolleyPublisher: CRC Press
ISBN: 9780873712415
Category : Technology & Engineering
Languages : en
Pages : 400
Book Description
Effective and safe waste management is dependent on the collaborative interaction of engineers, computer modeling specialists, toxicologists, risk assessment experts, soil scientists, biologists, geologists, chemists and professionals in many other disciplines. To meet the needs of this diverse group, this book covers effective and safe waste management topics in a holistic sense, including air monitoring as well as soil and water monitoring, site-specific evaluation and monitoring as well as generic management, and scientific and regulatory compliance issues as well as public interactions. It is an essential reference for all professionals involved in waste management, monitoring, and risk analysis.
Integrated Approaches to Water Pollution Problems
Author: J. BauPublisher: CRC Press
ISBN: 0203215931
Category : Science
Languages : en
Pages : 275
Book Description
Papers presented at the International Symposium of Integrated Approaches to Water Pollution Problems [SISIPPA 89], Laboratorio Nacional de Engenharia Civil, Lisbon, Portugal, June 1989.
Proceedings of the Western Association of Fish and Wildlife Agencies and the Western Division, American Fisheries Society
Author: Western Association of Fish and Wildlife Agencies (U.S.)Publisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 400
Book Description
Redd Site Selection and Spawning Habitat Use by Fall Chinook Salmon, Hanford Reach, Columbia River
Author: Publisher:
ISBN:
Category :
Languages : en
Pages : 125
Book Description
This report summarizes results of research activities conducted from 1995 through 1998 on identifying the spawning habitat requirements of fall chinook salmon (Oncorhynchus tshawytscha) in the Hanford Reach of the Columbia River. The project investigated whether traditional spawning habitat models could be improved in order to make better predictions of available habitat for fall chinook salmon in the Snake River. Results suggest models could be improved if they used spawning area-specific, rather than river-specific, spawning characteristics; incorporated hyporheic discharge measurements; and gave further consideration to the geomorphic features that are present in the unconstrained segments of large alluvial rivers. Ultimately the recovery of endangered fall chinook salmon will depend on how well we are able to recreate the characteristics once common in alluvial floodplains of large rivers. The results from this research can be used to better define the relationship between these physical habitat characteristics and fall chinook salmon spawning site selection, and provide more efficient use of limited recovery resources. This report is divided into four chapters which were presented in the author's doctoral dissertation which he completed through the Department of Fisheries and Wildlife at Oregon State University. Each of the chapters has been published in peer reviewed journals or is currently under review. Chapter one is a conceptual spawning habitat model that describes how geomorphic features of river channels create hydraulic processes, including hyporheic flows, that influence where salmon spawn in unconstrained reaches of large mainstem alluvial rivers. Chapter two describes the comparison of the physical factors associated with fall chinook salmon redd clusters located at two sites within the Reach. Spatial point pattern analysis of redds showed that redd clusters averaged approximately 10 hectares in area and their locations were consistent from year to year. The tendency to spawn in clusters suggests fall chinook salmon's use of spawning habitat is highly selective. Hydraulic characteristics of the redd clusters were significantly different than the habitat surrounding them. Velocity and lateral slope of the river bottom were the most important habitat variables in predicting redd site selection. While these variables explained a large proportion of the variance in redd site selection (86 to 96%), some unmeasured factors still accounted for a small percentage of actual spawning site selection. Chapter three describes the results from an investigation into the hyporheic characteristics of the two spawning areas studied in chapter two. This investigation showed that the magnitude and chemical characteristics of hyporheic discharge were different between and within two spawning areas. Apparently, fall chinook salmon used chemical and physical cues from the discharge to locate spawning areas. Finally, chapter four describes a unique method that was developed to install piezometers into the cobble bed of the Columbia River.
Proceedings ... A & WMA Annual Meeting
Author: Air & Waste Management Association. MeetingPublisher:
ISBN:
Category : Air
Languages : en
Pages : 1066
Book Description