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Ecological Status and Trends of the Upper Mississippi River System 1998

A Report of the Long Term Resource Monitoring Program

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Press Release: "Old Man River Gets Health Check Up"

The purpose of this report is to present, analyze, and discuss information about the ecological condition of the Upper Mississippi River System (UMRS). The report includes, but is not limited to data and results from the initial years of the Long Term Resource Monitoring Program (LTRMP), the largest monitoring program in the country. The mission of the LTRMP is to provide decision makers with information they need to maintain the UMRS as a sustainable large river ecosystem given its multiple-use character. 

• UMESC file types
  • Adobe Acrobat Reader (.pdf)

• Cover, Foreword, Preface, and Contents    (99t001_frntmatlr.pdf; 2.0 mb)

 
• Section I: Introduction to the Upper Mississippi River
• Chapter 1 - Introduction    (99t001_ch01lr.pdf; 114 kb) 
• Chapter 2 - Floodplain River Ecology and the Concept of River Ecological Health (99t001_ch02lr.pdf; 2.6 mb)
• Chapter 3 - Important Milestones in the Human and Ecological History of the Upper Mississippi River System    (99t001_ch03lr.pdf; 2.5 mb) 

 
• Section II: Presenting the Facts 
• Chapter 4 - River Geomorphology and Floodplain Habitats  (99t001_ch04lr.pdf; 8.4 mb) 
• Chapter 5 - Watershed Relations and Changes    (99t001_ch05lr.pdf; 1.2 mb)
• Chapter 6 - Hydrology    (99t001_ch06lr.pdf; 883 kb)
• Chapter 7 - Water and Sediment Quality    (99t001_ch07lr.pdf; 2.3 mb)
• Chapter 8 - Submersed Aquatic Vegetation    (99t001_ch08lr.pdf; 1.8 mb)
• Chapter 9 - Floodplain Forests    (99t001_ch09lr.pdf; 2.0 mb)
• Chapter 10 - Macroinvertebrates    (99t001_ch10lr.pdf; 1.5 mb)
• Chapter 11 - Freshwater Mussels    (99t001_ch11lr.pdf; 379 kb)
• Chapter 12 - Fishes    (99t001_ch12lr.pdf; 572 kb)
• Chapter 13 - Birds    (99t001_ch13lr.pdf; 577 kb)

 
• Section III: Case Histories 
• Chapter 14 - The Illinois River    (99t001_ch14lr.pdf; 401 kb)
• Chapter 15 - The Flood of 1993    (99t001_ch15lr.pdf; 1 mb)

 
• Section IV: Looking Forward 
• Chapter 16 - Assessments and Forecasts of the Ecological Health of the Upper Mississippi River System Floodplain Reaches    (99t001_ch16lr.pdf; 274 kb)

• Glossary and Back Matter    (99t001_glossarylr.pdf; 188 kb)

Mention of trade names or commercial products does not constitute endorsement or recommendation for use by the U.S. Department of the Interior, U.S. Geological Survey.