
Publications
Published
* Denotes an undergraduate student I mentored
** Denotes Principal Investigator role
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. 35 (7). doi.org/10.1002/eap.70130
Companion shiny app: https://baydelta.shinyapps.io/Fish-Zooplankton-Risk-Explorer/
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.
Featured in Forbes
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
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
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
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
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
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
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
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
Invited Book Reviews
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. doi.org/10.1086/738783
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. doi.org/10.1086/673777
In Review
Magoulick, D.D., Fournier, R.J. Environmental cues drive spatial and temporal synchrony in warm-water fish migrations. Submitted to Freshwater Science.
In Preparation
Fournier, R.J., Brashares, J.S., Okamoto, D.K., Ruhi, A., Young, H.S., Ridlon, A.D., Tinker, M.T., McCauley, D.J., Forecasting the ecological dynamics of southern sea otter restoration to the San Francisco Bay.
Fournier, R.J., Marino, T.C.*, Carlson, S.M., Ruhi, A. Time-varying drivers of phenological change in an estuarine food web.
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
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
Fournier, R.J., Magoulick, D.D. Concurrent effects of novel predation and drought on stream community dynamics
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?
Last updated: 11-10-2025