Download or read book Water quality and Algal Conditions in the North Umpqua River Basin Oregon 1992 95 and Indications for Resource Management written by Chauncey W. Anderson and published by . This book was released on 1998 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Water quality and Algal Conditions in the North Umpqua River Basin Oregon 1992 95 and Indications for Resource Management written by Chauncey W. Anderson and published by . This book was released on 1998 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1999 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Water quality and Algal Conditions in the Clackamas River Basin Oregon and Their Relations to Land and Water Management written by Kurt D. Carpenter and published by . This book was released on 2003 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Framework for Regional Coordinated Monitoring in the Middle and Upper Deschutes River Basin Oregon written by Chauncey W. Anderson and published by . This book was released on 2000 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Water resources Investigations Report written by and published by . This book was released on 2001 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1999 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecological Effects on Streams from Forest Fertilization literature Review and Conceptual Framework for Future Study in the Western Cascades written by Chauncey W. Anderson and published by . This book was released on 2002 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ecological Effects on Streams from Forest Fertilization written by Chauncey W. Anderson and published by . This book was released on 2002 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Water Quality Standards for Umpqua River Basin Oregon written by and published by . This book was released on 1969 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography and index of micropaleontology written by and published by . This book was released on 1997 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nutrient Criteria Technical Guidance Manual written by and published by . This book was released on 2000 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Algal Conditions and the Potential for Future Algal Problems in the Willamette River Oregon written by David A. Rickert and published by . This book was released on 1977 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: For nearly half a century the Willamette River in Oregon experienced severe dissolved-oxygen problems related to large loads of organically rich waste waters from industries and municipalities. Since the mid-1950's dissolved oxygen quality has gradually improved owing to low-flow augmentation, the achievement of basinwide secondary treatment, and the use of other waste-management practices. As a result, summer dissolved-oxygen levels have increased, salmon runs have returned, and the overall effort is widely regarded as a singular water-quality success. To document the improved dissolved-oxygen regimen, the U.S. Geological Survey conducted intensive studies of the Willamette during the summer low-flow seasons of 1973 and 1974. During each summer the mean daily dissolved-oxygen levels were found to be higher than 5 milligrams per liter throughout the river. Because of the basinwide secondary treatment, carbonaceous deoxygenation rates were low. In addition, almost half of the biochemical oxygen demand entering the Willamette was from diffuse (nonpoint) sources rather than outfalls. These results indicated that point-source biochemical oxygen demand was no longer the primary cause of dissolved-oxygen depletion. Instead, the major causes of deoxygenation were nitrification in a shallow ' surface active ' reach below Salem and an anomalous oxygen demand (believed to be primarily of benthal origin) in Portland Harbor.
Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 1996 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proposed Water Quality Management Plan for Umpqua River Basin written by Oregon. Department of Environmental Quality and published by . This book was released on 1976 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Draft Development Document for a Water Quality Management Plan for the Umpqua River Basin Oregon written by Oregon. Department of Environmental Quality and published by . This book was released on 1974 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nutrients Benthic Algae and Stream Quality During Low Streamflow in the Palouse River Basin Washington and Idaho written by Karen E. Greene and published by . This book was released on 1997 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
