Research and Development Office

Mark Nelson

This person is no longer with Reclamation.

Contact Information: Bureau of Reclamation Research and Development Office, (303) 445-2125, research@usbr.gov

Research Funded by the Science and Technology Program

Mark Nelson began doing research for the Science and Technology Program in the 2004 fiscal year, with funding provided by the program as recently as the 2014 fiscal year. Projects were funded under the Science and Technology Program research topics Ecosystem Needs, Sediment Management and River Restoration, Invasive Species and Water Quality.

The following research projects were funded in whole or in part by the Science and Technology Program. Mark Nelson is listed as the principal investigator, or primary researcher. Click the project's title to view more information.

Ecological Costs of Streamflow Regulation

Project ID: 8721
Fiscal Years of Funding: 2012 - 2014
Research Results: Please contact research@usbr.gov about research products related to this project.

Predicting the ecological consequences of hydrologic and thermal modification in wadeable streams: The climatic context

Project ID: 8224
Fiscal Year of Funding: 2014
Research Results: Is detection of long-term impacts using aquatic macroinvertebrates seasonally dependent? (final, PDF, 1.1MB)

Streamflow and Nutrient Constraints on the Productivity and Habitat Quality of Desert Riparian Ecosystems in the West

Project ID: 15
Fiscal Years of Funding: 2012 - 2014
Research Results: Nitrogen effects in western riparian areas (final, PDF, 1.0MB)

Effects of Climate Change on Riparian Vegetation Structure, Water Uptake, and Dependent Pollinators along Mainstem Rivers in the Colorado River Basin

Project ID: 310
Fiscal Years of Funding: 2010 - 2012
Research Results:

• Floral ecology and insect visitation in riparian Tamarix sp. (saltcedar) (interim, PDF, 642KB)
• Vulnerability of riparian ecosystems to elevated CO2 and (final, PDF, 642KB)
• Construction and Testing of a Soil Temperature Modification Unit for Climate Change Studies in Remote Areas (interim, PDF, 642KB)
• Effects of Climate Change on Riparian Vegetation Structure, Water Uptake, and Dependent Pollinators (final, PDF, 642KB)

Salmon Spawning Gravels as a Critical Indicator of Restoration Potential: San Joaquin River, California

Project ID: 5683
Fiscal Years of Funding: 2011 - 2012
Research Results: Observations on the Hyporheic Environment along the San Joaquin River below Friant Dam (final, PDF, 851KB)

Zebra and Quagga Mussels: Environmental Effects and Spread of Quagga and Zebra Mussels in Flowing Water Systems in the western U.S.

Project ID: 4442
Fiscal Years of Funding: 2010 - 2012
Research Results:

• Monitoring invasive quagga mussels, Dreissena rostriformis bugensis (Bivalvia:Dreissenidae), and other benthic organisms in a western US aqueduct (interim, PDF, 2.3MB)
• Monitoring invasive quagga mussels, Dreissena rostriformis bugensis (Bivalvia: (final, PDF, 2.3MB)

Assessing the Ecological Costs of Streamflow Regulation

Project ID: 6188
Fiscal Years of Funding: 2010 - 2011
Research Results:

• MACROINVERTEBRATE COMMUNITY CONDITION ASSOCIATED WITH THESEVERITY OF STREAMFLOW ALTERATION (interim, PDF, 400KB)
• MACROINVERTEBRATE COMMUNITY CONDITION ASSOCIATED WITH THE SEVERITY OF STREAMFLOW ALTERATION (final, PDF, 400KB)
• Assessing the Ecological Costs of Streamflow Regulation (final, PDF, 400KB)

Invertebrate Communities Used as Indicators of River Restoration

Project ID: 1196
Fiscal Years of Funding: 2006 - 2009
Research Results: San Diego River Invertebrate Monitoring Program- Final Report (final, PDF, 1.4MB)

Developing Low-cost, Effective Methods for Evaluating Aquatic Ecosystems

Project ID: 101
Fiscal Years of Funding: 2004 - 2008
Research Results:

• Response of stream macroinvertebrate assemblages to erosion control structures in a wastewater dominated urban stream in the southwestern U.S. (final, PDF, 572KB)
• Biological Indicators Of Conditions Below Dams In The Western United States (final, PDF, 572KB)
• Restoring habitat for riparian birds in the lower Colorado River watershed: An Example from the Las Vegas Wash, Nevada (final, PDF, 572KB)

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