A review of the effects of dams on the Columbia River estuarine environment, with special reference to salmonids
By: by Laurie A. Weitkamp.
Contributors: United States. Bonneville Power Administration.
Publisher: Bonneville Power Administration?]
Published: 1994
Place of publication: [Portland, Or.?
Language: eng
Number of pages: 148
Subjects: Dams -- Environmental aspects -- Northwest, Pacific.; Salmonidae -- Northwest, Pacific.; Columbia River estuary (Or. and Wash.)
Notes: Funded by U.S. Dept. of Energy, Bonneville Power Administration and Coastal Zone and Estuarine Studies Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration.

Includes bibliographical references.
Table of contents: pagenum: v
class: part
title: Executive summary; pagenum: 1
title: Introduction; pagenum: 6
title: Sources of change in the Columbia River estuary; pagenum: 6
title: Anthropogenic changes; pagenum: 6
title: Dams; pagenum: 6
title: Irrigation; pagenum: 8
title: Human population; pagenum: 9
title: Industry; pagenum: 9
title: Navigational improvements; pagenum: 10
title: Diking; pagenum: 10
title: Fishing; pagenum: 10
title: Logging; pagenum: 11
title: Salmon hatcheries; pagenum: 12
title: Naturally occurring changes; pagenum: 12
title: Climate variation; pagenum: 12
title: The eruption of Mt St Helens; pagenum: 14
title: Natural land rise; pagenum: 14
title: Summary of the sources of change in the Columbia River Estuary; pagenum: 16
title: Physical changes in the Columbia River Estuary; pagenum: 16
title: Introduction; pagenum: 17
title: River flow; pagenum: 18
title: Columbia River flow; pagenum: 21
title: Physical effects of altered river flow; pagenum: 23
title: Biological effects of altered river flow; pagenum: 29
title: Summary of the effects of dams from river flow alteration; pagenum: 29
title: Bathymetry; pagenum: 30
title: Changes in the Columbia River bathymetry; pagenum: 37
title: Physical effects of bathymetric changes; pagenum: 38
title: Biological effects of bathymetric changes; pagenum: 41
title: Summary of the effects of dams from bathymetry alterations; pagenum: 41
title: Water quality; pagenum: 43
title: Sources of water quality alterations; pagenum: 52
title: Former and present water  quality; pagenum: 60
title: Biological effects of altered water quality; pagenum: 62
title: Biological characteristics of the Columbia River estuary; pagenum: 62
title: Introduction; pagenum: 63
title: Primary production; pagenum: 63
title: Water column primary production; pagenum: 65
title: Benthic primary production; pagenum: 66
title: Non-fish consumers; pagenum: 66
title: Zooplankton; pagenum: 69
title: Benthic and epibenthic invertebrates; pagenum: 71
title: Fishes in the Columbia River Estuary; pagenum: 72
title: Resident fishes; pagenum: 79
title: Anadromous fishes; pagenum: 82
title: Historical catches and fish runs; pagenum: 93
title: Food web structure in the Columbia River Estuary; pagenum: 95
title: Primary production and detritus; pagenum: 95
title: Secondary consumers and detritivores; pagenum: 97
title: Predators; pagenum: 99
title: Comparison between pre-1870s and present day food webs; pagenum: 102
title: Exotic species in the Columbia River Estuary; pagenum: 102
title: Exotic fishes; pagenum: 108
title: Exotic invertebrates; pagenum: 112
title: Summary of exotic species in the Columbia River Estuary; pagenum: 113
title: Summary of the effects of dams on the estuarine community; pagenum: 118
title: Conclusions; pagenum: 119
title: Acknowledgements; pagenum: 120
title: References; pagenum: 141
title: Appendix