
Publications
Published
* Denotes an undergraduate student I mentored
** Denotes Principal Investigator role
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10) Fournier, R.J. Marino, T.C.*, Carlson, S.M., Ruhi, A. 2025.Phenology-informed decline risk of estuarine fishes and their prey suggests potential for future trophic mismatches. Ecological Applications. In Press.
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​Companion shiny app: https://12022001delta.shinyapps.io/DeclineRisk/
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9) Brewster, C.W. , Morse, M.M., Fournier, R.J., Joseph, L., Baechler, B.R., de Frond, H., Assumpcao, T.H., Pritasari, K.A., Zahrah, Y, Situomorang, G. Mikola, A, Beccera, N., Pérez, J., Grønneberg, I., Quiros, A., de Heras, M.E., Watemberg, S., Okoth, C., Sikawa, M., Okoth, M., Scott, J., del Rosaria Norzagaray Román, M., Crevoshay-Engelmayer, F., Kemsley, A., Tran, V., Whitehouse, S., Thu, H.T.U., Ritchie, S., Haertl, D., McCarthy, M., Mahfood, C., McCauley, D.J. 2025. Assessing macroplastic debris collected from eight diverse river systems across four continents: Insights from synchronous three-year community-led research efforts. Journal of Environmental Management. 391. doi.org/10.1016/j.jenvman.2025.126354.
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Featured in Forbes
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8) al-Jamal, A.*, Ruhi, A., Mohammadi, R.M., Bogan, M.T., Fournier, R.J.** 2025. Aquatic top predator prefers terrestrial prey in an intermittent stream. Ecology. 106 (1), doi.org/10.1002/ecy.4518
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7) Fournier, R.J., Colombano, D.D., Latour, R.J., Carlson S.M., Ruhi, A. 2024. Long-term data reveal widespread phenological change across major U.S. estuarine food webs. Ecology Letters. 27(12), e14441. doi.org/10.1111/ele.14441
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6) Fournier, R.J., de Mendoza, G., Sarremejane, R., Ruhi, A. 2023. Isolation disrupts reestablishment mechanisms and post-drying community recovery in an intermittent stream. Ecology. 2023;104:e3911. doi.org/10.1002/ecy.3911
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5) Fournier, R.J., Magoulick, D.D. 2022. Drought and nutrient pollution produce both additive and antagonistic effects in stream ecosystems. PLOS One. 17 (7), e0269222. doi.org/10.1371/journal.pone.0269222
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4) Fournier, R.J., Bond, N.R., Magoulick, D.D. 2021. Modeling effects of disturbance across life history strategies of stream fishes. Oecologia. 196:413–425. doi.org/10.1007/s00442-021-04941-8
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3) Bayer, L.M.*, Fournier, R.J., Magoulick, D.D. 2020. Modeling effects of crayfish invasion and drought on population dynamics of generalized crayfish life history strategies. Aquatic Conservation: Marine and Freshwater Ecosystems. 31 (3), 457-468. doi.org/10.1002/aqc.3516
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2) Yule, J.V., Fournier, R.J., Jensen, C.X.J., Yang, J. 2014.
A review and synthesis of late Pleistocene extinction modeling: Progress delayed by mismatches between ecological realism, interpretation, and methodological transparency. Quarterly Review of Biology. 89 (2), 91-106. doi.org/10.1086/676045
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1) Yule, J.V., Fournier, R.J., Hindmarsh, P.L. 2012. Biodiversity, extinction, and humanity’s future: The ecological and evolutionary consequences of human population and resource use. Humanities. 2 (2), 147-159. doi.org/10.3390/h2020147
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Invited Book Reviews
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2) Fournier, R.J., 2025. Review of When the Earth Was Green: Plants, Animals, and Evolution's Greatest Romance by Black, R. St. Martin's Press. Quarterly Review of Biology. In press.
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1) Yule, J.V., Fournier, R.J. 2013. Review of Ecological Restoration by By Clewell, A.F. & Aronson, J. Island Press. Quarterly Review of Biology
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In Review
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Magoulick, D.D., Fournier, R.J. Environmental cues drive spatial and temporal synchrony in warm-water fish migrations. Submitted to Freshwater Science.
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In Preparation
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Fournier, R.J., Brashares, J.S., Okamoto, D.K., Ruhi, A., Young, H.S., McCauley, D.J., Forecasting the ecological dynamics of southern sea otter restoration to the San Francisco Bay.
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​Apgar, T.M., Bogan, M., Fournier, R.J., Gao, S., Herbst, D. Gill, B.A., Mohammadi, R.M., Carlson, S.M., Ruhi, A. Hydrologic variation filters invertebrate life-history traits and drives long-term community trajectories in intermittent rivers
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Ruhi, A., Leathers, K., Allen, D.C., Apgar, T.M., Bogan, M.T., Gill, B.A., Atkinson, C.L., Compson, Z.G., Hollien, K.D., Malish, M.C., Mims, M.C., Shogren, A.J., Silknetter, S.C., Smith, C.R., Mohhamadi, R.M., Zhang, Z., Fournier, R.J., Terui, A. Spatial structure of drying controls biodiversity patterns in intermittent river networks
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Fournier, R.J., Magoulick, D.D. Concurrent effects of novel predation and drought on stream community dynamics
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Hannappel, M.P., Fournier, R.J., Smits, A.P., Esposito, L.A., Ruhi, A. How does drought disrupt the transfer of essential Polyunsaturated Fatty Acids (PUFA) from aquatic to terrestrial ecosystems?
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Last updated: 10-6-2025