Selected Publications

Books

Wehr, J.D. & Sheath, R.G. [Eds.] 2003. Freshwater Algae of North America: Ecology and Classification. Academic Press, San Diego, CA. 950 pp.

Wehr, J.D., Sheath, R.G., Kociolek, J.P. [Eds.] 2015. Freshwater Algae of North America: Ecology and Classification, second edition. Academic Press, San Diego, CA. 1050 pp.

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Books Chapters

Wehr, J.D. 2016. Brown algae (Phaeophyceae) in Rivers. In: River Algae [Necchi, O., Editor], Springer-Verlag, pp. 129-151.  DOI: 10.1007/978-3-319-31984-1_6

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Rott, E., Wehr, J.D. 2016. The spatio-temporal development of macroalgae in rivers. In: River Algae, [Necchi, O., Editor], Springer-Verlag, pp 159-195.  DOI: 10.1007/978-3-319-31984-1_8

Watson, S.B., Whitton, B.A., Higgins, S.N., Paerl, H.W., Brooks, B. W., Wehr, J.D. 2015. Harmful Algal Blooms – Chapter 20.  In: Freshwater Algae of North America: Ecology and Classification, 2nd edition. Academic Press, San Diego, CA. pp. 873-920. [ISBN-13: 978-012-385876-4]

Wehr, J.D. 2015. Brown algae – Chapter 19. In: Freshwater Algae of North America: Ecology and Classification, 2nd edition. Academic Press, San Diego, CA. pp. 851-871. [ISBN-13: 978-0123858764]

Wehr, J.D. Sheath, R.G. 2015. Habitats of freshwater algae – Chapter 2. In: Freshwater Algae of North America: Ecology and Classification, 2nd edition. Academic Press, San Diego, CA. pp. 13- 74. [ISBN-13: 978-012-385876-4]

Sheath, R.G., Wehr, J.D. 2015. Introduction to freshwater algae – Chapter 1. In: Freshwater Algae of North America: Ecology and Classification, 2nd edition. Academic Press, San Diego, CA. pp. 1- 11. [ISBN-13: 978-012-385876-4]

Wehr, J.D. 2011. Phylum Phaeophyta (Brown Algae). In: John, D., A.J. Brook, & B.A. Whitton [Eds.], Freshwater Algal Flora of the British Isles, Second Edition, Cambridge University Press, U.K.

Wehr, J.D. 2010. Xanthophyta and Phaeophyta, pp. 271-287, In: Algae: Source to Treatment Manual of Water Supply Practices M57. American Water Works Association, Denver, CO. [ISBN 978-1-58321-787-0].

Selected Peer-Reviewed Articles

Whorley*, S.B., Wehr, J.D. 2022. Periphyton C and N stable isotopes detect agricultural stressors in low-order streams. Freshwater Science 41: 153-166. DOI: https://doi.org/10.1086/719187

Martin, R.M., Kausch*, M., Yap*, K., Wehr J.D., Boyer, G.L., Wilhelm, S.W. 2021. Metagenome-assembled genome sequences of Raphidiopsis raciborskii and Planktothrix agardhii from a cyanobacterial bloom in Kissena Lake, New York, USA. Microbiology Resource Announcements 10:e01380-20. DOI: https://doi.org/10.1128/MRA.01380-20

Cantonati, M., Segadelli,S., Spitale, D. Gabrieli, J., Gerecke, R., Angeli, N., De Nardo, M.T., Ogata, K., Wehr, J.D. 2020. Geological and hydrochemical prerequisites of unexpectedly-high spring-environment landscape-level-biodiversity. Science of the Total Environment 740: 140157. DOI: https://doi.org/10.1016/j.scitotenv.2020.140157

Torres-Ruiz*, M., Wehr, J.D. 2020. Complementary information from fatty acid and nutrient stoichiometry data improve stream food web analyses. Hydrobiologia 847: 629–645. DOI: https://doi.org/10.1007/s10750-019-04126-8

Wehr, J.D., Steirer*, S.E., Sleith*, R.S. 2019. Rediscovery of the freshwater brown alga Heribaudiella in Connecticut After 100 Years. Northeastern Naturalist 26: 343-361. DOI: https://doi.org/10.1656/045.026.0209

Whorley*, S.B., Smucker, N.J., Kuhn, A., Wehr J.D. 2019. Urbanisation alters essential fatty acid relationships within stream food webs.  Freshwater Biology. https://doi.org/10.1111/fwb.13279

Whorley*, S.B., Wehr, J.D. 2018. Multi-year trends in benthic algal fatty acid compounds under agricultural stress. Freshwater Science 35: 534-550. https://doi.org/10.1086/699201

Sleith*, R.S., Wehr, J.D., Karol, K.G. 2018. Untangling climate and water chemistry to predict changes in freshwater macrophyte distributions. Ecology and Evolution. 8: 2802-2811.DOI: https://doi.org/10.1002/ece3.3847

Grubaugh*, C.R., Wehr, J.D. 2017. Suitability of total nitrogen as a predictor of protein content in stream periphyton. Freshwater Science 36: 533-541. https://doi.org/10.1086/693001

Brett, M.T., Bunn, S.E., Chandra, S., Galloway, A.W.E, Guo, F., Kainz, M.J., Kankaala, P., Luo, D.C.P., Moulton, T.P., Power, M.E., Rasmusen, J.B., Taipale, S.J., Thorp, J.H., Wehr, J.D.  2017. How important are terrestrial organic carbon inputs for secondary production in freshwater ecosystems?  Freshwater Biology 62:  833–853. https://doi.org/10.1111/fwb.12909

Whorley*, S.B., Wehr, J.D. 2016. Connecting algal taxonomic information to essential fatty acid content in agricultural streams. Phycologia 55: 531-542. https://doi.org/10.2216/15-123.1

Whorley*, S.B., Wehr, J.D. 2016. Flood events can reduce key fatty acid content of early-stage benthic algal assemblages in an urban stream. Journal of Urban Ecology 2016: 1-12.  https://doi.org/10.1093/jue/juw002

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Decker*, J., Wehr, J.D., Houser, J., & Richardson, W. 2016. Spatio-temporal phytoplankton patterns in the Upper Mississippi River Pool 8 (La Crosse, WI) indicate flood-pulse dynamics and highlight environmental factors associated with cyanobacterial abundance. River Systems https://doi.org/10.1127/rs/2015/0103

Smucker, N. J., Kuhn, A., Charpentier, M.A., Cruz-Quinones, C.J., Elonen, C.M., Whorley*, S.B., Jicha, T.M., Serbst, J.R., Hill, B.H., Wehr, J.D. 2016. Quantifying urban watershed stressor gradients and evaluating how different land cover datasets affect stream management. Environmental Management 57: 683-695.  https://doi,.org/10.1007/s00267-015-0629-3

Bury, R.B., Wehr, J.D., Bury J.W., Baggett C., Doten, K. 2015. A high incidence of filamentous algae on western pond turtles, Actinemys marmorata, in the Willamette Valley, Oregon. Northwestern Naturalist 96:150-153. https://doi.org/10.1898/1051-1733-96.2.150

Tessler, M., Truhn, K.M., Bliss-Moreau, N., Wehr J.D. 2014. Diversity and distribution of stream bryophytes: does pH matter? Freshwater Science 33: 778-787.  https://doi.org/10.1086/676996

Cashman*, M.J., Wehr, J.D., Truhn, K. 2013. Elevated light and nutrients alter the nutritional quality of stream periphyton. Freshwater Biology 58: 1447-1457.   https://doi.org/10.1111/fwb.12142

Wehr, J.D., Stancheva, R., Sheath, R.G., Truhn, K. 2013.  Discovery of new populations of the rare freshwater brown alga Pleurocladia lacustris A.Braun in California streams. Western North American Naturalist 73: 148-157.  DOI: https://doi.org/10.3398/064.073.0204

Gabel*, K.W. Wehr, J.D., & Truhn, K.M. 2012. Assessment of the effectiveness of best management practices for streams draining agricultural landscapes using diatoms and macroinvertebrates. Hydrobiologia 680: 247-264. https://doi.org/10.1007/s10750-011-0933-8

Torres-Ruiz*, M., & Wehr, J.D. 2010. Changes in the nutritional quality of decaying leaf litter in a stream based on fatty acid content. Hydrobiologia 651: 265-278.  https://doi.org/10.1007/s10750-010-0305-9

Torres-Ruiz*, M., Wehr, J.D. & Perrone, A.A. 2010. Are net-spinning caddisflies what they eat? An investigation using controlled diets and fatty acids. Journal of the North American Benthological Society 29: 803-813. https://doi.org/10.1899/09-162.1

O’Brien*, P.J. & Wehr, J.D. 2010. Periphyton biomass and ecological stoichiometry in streams within an urban to rural land-use gradient. Hydrobiologia 657: 89-105. https://doi.org/10.1007/s10750-009-9984-5

Torres-Ruiz*, M., Wehr, J.D., & Perrone, A.A. 2007. Trophic relationships in a stream food web: the importance of fatty acids for macroinvertebrate consumers. Journal of the North American Benthological Society 26: 509–522. https://doi.org/10.1899/06-070.1

McCauley*, L.R. & Wehr, J.D. 2007. Taxonomic reappraisal of the freshwater brown algae Bodanella, Ectocarpus, Heribaudiella, and Pleurocladia (Phaeophyceae) on the basis of rbcL sequences and morphological characters. Phycologia 46: 429-439. https://doi.org/10.2216/05-08.1

Kostel-Hughes*, F., Young, T.P., & Wehr, J.D. 2005. Effects of leaf litter depth on the emergence and seedling growth of deciduous forest tree species in relation to seed size. Journal of the Torrey Botanical Society 132: 50-60. https://doi.org/10.3159/1095-5674(2005)132[50:EOLLDO]2.0.CO;2

Huss*, A.A. & Wehr, J.D. 2004. Strong indirect effects of a submersed aquatic macrophyte, Vallisneria americana, on bacterioplankton densities in a mesotrophic lake. Microbial Ecology 47: 305-315. DOI: https://doi.org/10.1007/s00248-003-1034-7

Wehr, J.D. & Perrone*, A.A. 2003. A new record of Heribaudiella fluviatilis, a freshwater brown alga (Phaeophyceae) from Oregon. Western North American Naturalist 63: 517-523. https://www.jstor.org/stable/41717327

Wigand, C., Wehr, J.D., Limburg, K., Gorham*, B., Lonergan, S., & Findlay, S. 2000. Effect of Vallisneria americana on community structure and ecosystem function in lake mesocosms.  Hydrobiologia 418: 137-146. https://doi.org/10.1023/A:1003808220424

Wehr, J.D., Petersen*, J., & Findlay, S. 1999. Influence of three contrasting detrital carbon sources on planktonic bacterial metabolism in a mesotrophic lake. Microbial Ecology 37: 23-35.  https://doi.org/10.1007/s002489900127

Wehr, J.D., Holen, D.A. MacDonald, M.M.& Lonergan, S.P. 1998. Effects of different carbon sources on a freshwater plankton community. Canadian Journal of Fisheries and Aquatic Sciences 55: 2150-2160.  https://doi.org/10.1139/f98-098

Wehr, J.D. & Descy, J.-P. 1998. Use of phytoplankton in large river management. Journal of Phycology 34: 741-749. https://doi.org/10.1046/j.1529-8817.1998.340741.x

Wehr, J.D., Lonergan, S.P., & J.H. Thorp. 1997. Concentrations and controls of dissolved organic matter in a constricted-channel region of the Ohio River.  Biogeochemistry 38: 41-65. https://doi.org/10.1023/A:1005708326368   

Wehr, J.D. & Thorp, J.H. 1997.  Impacts of navigation dams, tributaries and littoral zones on phytoplankton communities in the Ohio River.  Canadian Journal of Fisheries and Aquatic Sciences 54: 378-395. https://doi.org/10.1139/f96-283

Thorp, J.H., Black, A.R., Haag, K.H., & Wehr, J.D. 1994. Zooplankton assemblages in the Ohio River: seasonal, tributary, and navigation dam effects. Canadian Journal of Fisheries and Aquatic Sciences 51: 1634-1643. https://doi.org/10.1139/f94-164

Le*, J., Wehr, J.D., & Campbell, L. 1994.  Uncoupling of bacterioplankton and phytoplankton production in fresh waters is affected by inorganic nutrient limitation. Applied and Environmental Microbiology 60: 2086-2093. https://doi.org/10.1128/aem.60.6.2086-2093.1994

Wehr, J.D. Le*, J., & Campbell, L. 1994. Does microbial biomass affect pelagic ecosystem efficiency? An experimental study.  Microbial Ecology 27: 1-17. https://doi.org/10.1007/BF00170110