Ann Willis

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In Press
Nichols, A. L., Lusardi R. A., & Willis A. D. (In Press).  Seasonal macrophyte growth constrains extent, but improves quality, of cold-water habitat in a spring-fed river. PDF icon Nichols_et_al-2020-Hydrological_Processes.pdf (2.24 MB)
2019
Willis, A. D., & Holmes E. (2019).  Eye in the Sky: Using UAV Imagery of Seasonal Riverine Canopy Growth to Model Water Temperature. Hydrology. 6(1), 
Lukk, A., Vasquez-Housely P., Lusardi R., & Willis A. D. (2019).  Little Shasta River 2017-2019: Pre-Project Assessment of the Proposition 1 Ecosystem Restoration Grant Activities. PDF icon LS_Pre-ProjectReport2019.pdf (3.97 MB)
2018
Willis, A. (2018).  South Fork Scott River: Preliminary Assessment of Bouvier Ranch for Coho Recovery. PDF icon Preliminary Assessment of Bouvier Ranch for Coho Recovery_FINAL_8-1-2018.pdf (1.43 MB)
2017
Nichols, A. L., Lusardi R. A., & Willis A. (2017).  Little Shasta River Aquatic Habitat Assessment 2016. PDF icon Little Shasta River Aquatic Habitat Assessment 2016.pdf (2.15 MB)
Willis, A., Nichols A. L., Holmes E., Jeffres C., Fowler A. C., Babcock C. A., et al. (2017).  Seasonal aquatic macrophytes reduce water temperatures via a riverine canopy in a spring-fed stream. Freshwater Science. PDF icon Willis et al. 2017 Riverine canopy.pdf (1.16 MB)
2016
Nichols, A. L., Willis A., Lambert D., Limanto E., & Deas M. (2016).  Little Shasta River Preliminary Assessment. PDF icon LittleShasta_2015assessment_final_04-11-2016.pdf (2.05 MB)
2015
Viers, J. H., Fogg G., Smart D., Fremier A. K., Nichols A. L., Phillips K., et al. (2015).  Cosumnes Research Group 3 Annual Report - 2014. PDF icon Cosumnes Research Group 3 annual report 2014 (1.8 MB)
Willis, A., Campbell A. M., Fowler A. C., Babcock C. A., Howard J. K., Deas M., et al. (2015).  Instream flows: new tools to quantify water quality conditions for returning adult Chinook salmon. Journal of Water Resources Planning and Management. PDF icon Instream flows: new tools to quantify water quality conditions for returning adult Chinook salmon (15.54 MB)
Deas, M., Nichols A., Jeffres C., Phillips K., & Willis A. (2015).  Little Springs Creek 2013-14 Baseline Assessment. PDF icon Little Springs Creek Baseline Assessment_021515 Final.pdf (3.59 MB)
2014
Lund, J. R., Lord B., Fleenor W. E., & Willis A. (2014).  Drought Curtailment of Water Rights – Problems and Technical Solutions. 1-23.PDF icon Comments to State Water Resources Control Board on Drought Curtailment of Water Rights (2.95 MB)
Nichols, A., Willis A., Jeffres C., & Deas M. (2014).  Water Temperature Patterns Below Large Groundwater Springs: Management Implications For Coho Salmon In The Shasta River, California. River Research and Applications. 30(4), PDF icon rra2655.pdf (1.16 MB)
2013
Willis, A., Nichols A., Jeffres C., & Deas M. (2013).  Water Resources Management Planning: Conceptual Framework and Case Study of the Shasta Basin. PDF icon Water Resources Management Planning: Conceptual Framework and Case Study of the Shasta Basin (3.34 MB)
2012
Willis, A., & Deas M. (2012).  Response to Restoration: Water Temperature Conditions in Big Springs Creek and Surrounding Waterways, 2009-2011. PDF icon SBSR Response to Restoration: 2009-2011 (2.39 MB)
2011
Willis, A., Lund J. R., Townsley E., & Faber B. (2011).  Climate Change and Flood Operations in the Sacramento Basin, California. San Francisco Estuary and Watershed Science. 9(2), 
Willis, A., Deas M., Jeffres C., Mount JF., Moyle P. B., & Nichols A. (2011).  Executive Analysis of Restoration Actions in Big Springs Creek March 2008-September 2011. PDF icon Read full study (4.34 MB)
2010
Jeffres, C., Nichols A., Willis A., Mount JF., Moyle P. B., & Deas M. (2010).  Assessment of Restoration Actions on Big Springs Creek, Shasta River, California 2009-2010.
Nichols, A., Mount JF., Moyle P. B., Deas M., Jeffres C., Willis A., et al. (2010).  Longitudinal Baseline Assessment of Salmonid Habitat Characteristics of the Shasta River, March through September, 2008.
2009
Jeffres, C., Dahlgren R. A., Kiernan J. D., King A. M., Lusardi R. A., Nichols A., et al. (2009).  Baseline Assessment of Physical and Biological Conditions Within Waterways on Big Springs Ranch, Siskiyou County, California. PDF icon Read full study (9.11 MB)