Publications
2019
González-Galisteo, S., T.T. Packard, M. Gómez, A. Herrera, R.C. Dugdale, F.P. Wilkerson, R.T. Barber, D. Blasco, J.P. Christensen, J.P. and L.A. Codispoti. 2019. Calculating new production from nitrate reductase activity and light in the Peru Current Upwelling. Progress in Oceanography 73: 78-85. https://doi.org/10.1016/j.pocean.2019.02.009 PDF
2018
Glibert P.M., C.A. Heil, F.P. Wilkerson, R.C. Dugdale. 2018 Nutrients and harmful algal blooms: dynamic kinetics and flexible nutrition. In: Glibert P., Berdalet E., Burford M., Pitcher G., Zhou M. (eds) Global Ecology and Oceanography of Harmful Algal Blooms. Ecological Studies (Analysis and Synthesis), vol 232. Springer, Cham, pp.93-112. doi.org/10.1007/978-3-319-70069-4_6 PDF
Liu, Q., F. Chai, R.C. Dugdale, Y.Chao, H. Xue, S. Rao, F. Wilkerson, J. Farrara, H. Zhang, Z. Wang, and Y. Zhang. 2018. San Francisco Bay nutrients and plankton dynamics as simulated by a coupled hydrodynamic-ecosystem model. Continental Shelf Research 161: 29-48.
2017
Chao, Y., J.D. Farrara, E. Bjorkstedt, F. Chai, F. Chavez, D. Rudnick, W. Enright, J. L. Fisher, W.T. Peterson, G.F. Welch, C.O. Davis, R.C. Dugdale, F.P. Wilkerson, H. Zhang, Y. Zhang, E. Ateljevich. 2017. The origins of the anomalous warming in the California coastal ocean and San Francisco Bay during 2014-2016. [Paper #2017JC013120] Journal of Geophysical Research – Oceans 122.
Chao, Y., J. D. Farrara, H. Zhang, Y. J. Zhang, E. Ateljevich, F. Chai, C. O. Davis, R. Dugdale, F. Wilkerson, 2017 Development, implementation, and validation of a modeling system for the San Francisco Bay and estuary. Estuarine Coast. Shelf Sci., 194: 40-56
Kraus, TE.C., K.D. Carpenter, B.A. Bergamaschi, A.E. Parker, E. B. Stumpner, B.D. Downing, N.M. Travis, F.P. Wilkerson, C. Kendall, T.D. Mussen. 2017. A river-scale Lagrangian experiment examining controls on phytoplankton dynamics in the presence and absence of treated wastewater effluent high in ammonium. Limnology and Oceanography 62: 1234-1253.
2016
Dugdale, R.C., F.P. Wilkerson, A.E. Parker. 2016. The effect of clam grazing on phytoplankton spring blooms in the low-salinity zone of San Francisco Estuary: a modelling approach. Ecological Modelling 340: 1-16.
Dugdale, R., F. Wilkerson, A.E. Parker. 2016 The “ammonium paradox”: a summary of more than a decade of research into phytoplankton processes and nitrogen relationships in the northern San Francisco Estuary. Section 5. In Senn et al. Suisun Synthesis II Report, SFEI-awaiting final publication
Wilkerson, F.P. and R. C. Dugdale. 2016. The ammonium paradox of a high nutrient low chlorophyll estuary. In: Aquatic Microbial Ecology and Biogeochemistry: A Dual Perspective” (P.M. Glibert and T.M. Kana (ed), Springer.
Glibert, P.M., F.P. Wilkerson, R.C. Dugdale, J. A. Raven, C. Dupont, P.R. Leavitt, A.E. Parker, J.M. Burkholder, T.M. Kana. 2016. Pluses and minuses of ammonium and nitrate uptake and assimilation by phytoplankton and implications for productivity and community composition, with emphasis on nitrogen-enriched conditions. Limnology and Oceanography 61: 165-197.
2015
Lee, J., A.E. Parker, F.P. Wilkerson, R.C Dugdale. 2015. Kinetics and inhibition of nitrogen uptake in Microcystis aeruginosa: results from cultures and field assemblages in the San Francisco Bay Delta, CA. Harmful Algae 47: 126-140.
Wilkerson, F.P., R.C. Dugdale, A.E. Parker, A.E., S.B. Blaser, A. Pimenta. 2015. Nutrient uptake and primary productivity in an urban estuary: using rate measurements to evaluate phytoplankton response to different hydrological and nutrient conditions. Aquatic Ecology 49(2): 211-233.
Glibert P.M., R.C. Dugdale, F.P. Wilkerson, A.E. Parker, J.A. Alexander, E.A. Antell, S. Blaser, A. Johnson, J. Lee, T. Lee, S. Murasko, S. Strong. 2014. Major – but rare – spring blooms in 2014 in San Francisco Bay Delta, California, a result of the long-term drought, increased residence time, and altered nutrient loads and forms. Journal of Experimental Marine Biology and Ecology 460: 8–18. doi: 10.1016/j.jembe.2014.06.001.
2014
Cohen. R., F.P. Wilkerson, A.E. Parker, E. Carpenter. 2014 Ecosystem scale rates of primary production within wetland habitats of the northern San Francisco Estuary. Wetlands 34: 759-774. doi 10.1007/s13157-014-0540-3. PDF
Glibert, P.M., F.P. Wilkerson, R. C. Dugdale, A. E. Parker, J. Alexander, S. Blaser, S. Murasko. 2014 Phytoplankton communities from San Francisco Bay Delta respond differently to oxidized and reduced nitrogen substrates- even under conditions that would otherwise suggest nitrogen sufficiency. Frontiers in Marine Science. doi: 10.3389/fmars.2014.00017. PDF
Glibert P.M., R.C. Dugdale, F.P. Wilkerson, F, Alexander AE, Jeffrey A, Antell E, Blaser S, Johnson A, Lee J, Lee T, Murasko S, Strong S. 2014. Major – but rare – spring blooms in 2014 in San Francisco Bay Delta, California, a result of the long-term drought, increased residence time, and altered nutrient loads and forms. Journal of Experimental Marine Biology and Ecology 460: 8–18. doi: 10.1016/j.jembe.2014.06.001. PDF
2013
Buck, C., F. Wilkerson, A.E. Parker, R.C. Dugdale. 2013 The influence of coastal nutrients on phytoplankton productivity in a shallow low inlet estuary, Drakes Estero, California (USA). Estuaries and Coasts 37: 847-863. 10.1007/s12237-013-9737-6. PDF
Dugdale, R.C., F.P. Wilkerson, and A.E. Parker, 2013. A biogeochemical model of phytoplankton productivity in an urban estuary: the importance of ammonium and freshwater flow. Ecological Modeling. 263: 291-307. PDF
2012
R Dugdale, F Wilkerson, AE Parker, A Marchi, K Taberski (2012). River flow and ammonium discharge determine spring phytoplankton blooms in an urbanized estuary. Estuarine, Coastal and Shelf Science.
AE Parker, VE Hogue, FP Wilkerson, RC Dugdale (2012). The effect of inorganic nitrogen speciation on primary production in the San Francisco Estuary. Estuarine, Coastal and Shelf Science 104, 91-101
AE Parker, RC Dugdale, FP Wilkerson (2012). Elevated ammonium concentrations from wastewater discharge depress primary productivity in the Sacramento River and the northern San Francisco Estuary. Marine Pollution Bulletin 64 (3), 574-586
2011
AE Parker, FP Wilkerson, RC Dugdale, AM Marchi, VE Hogue, MR Landry, AG Taylor (2011). Spatial patterns of nitrogen uptake and phytoplankton in the equatorial upwelling zone (110W-140W) during 2004 and 2005. Deep Sea Research Part II: Topical Studies in Oceanography 58 (3), 417-433
2010
Dugdale, R, F. Chai, R. Feely, C. Measures, A. Parker, F. Wilkerson (2010). The regulation of equatorial Pacific new production and pCO2 by silicate-limited diatoms, Deep-Sea Research II doi:10.1016/j.dsr2.2010.08.008 Vol 58: 477-492
Parker, A.E., Al M. Marchi, Jan Davidson-Drexel, Richard C. Dugdale, Frances P. Wilkerson. (2010). Effect of ammonium and wastewater effluent on riverine phytoplankton in the Sacramento River, CA. Technical Report for the California State Water Resources Board.
Parker, A.E., F. Wilkerson, R.C. Dugdale, A. Marchi, V. Hogue, M. Landry and A.G. Taylor. (2010). Spatial patterns of nitrogen uptake and phytoplankton in the equatorial upwelling zone (110ºW –140ºW) during 2004 and 2005. Deep Sea Research. II doi:10.1016/j.dsr2.2010.08. Vol 58: 417-433
Strutton, P.G., A. Palacz, R.C. Dugdale, F. Chai, A. Marchi, A. Parker, V. Hogue, F. Wilkerson. (2010). The impact of equatorial Pacific tropical instability waves on hydrography and nutrients: 2004-2005. Deep-Sea Research II doi:10.1016/j.dsr2.2010.08.015. Vol 58: 284-295
2008
Wilkerson, F.P. and R.C. Dugdale (2008). Coastal Upwelling. In: “Nitrogen in the Marine Environment “, Capone et al. (eds). Elsevier Press, pp 765-801.
2007
Dugdale R. C., Wilkerson F. P, Hogue V. E., Marchi A. (2007). The role of ammonium and nitrate in spring bloom development in San Francisco Bay. Estuarine Coastal and Shelf Science, Vol 73, 17-29. pdf
2006
Dugdale R. C., Wilkerson F. P, Hogue V. E., Marchi A. (2006). Nutrient controls on new production in the Bodega Bay, California, coastal upwelling plume. Deep Sea Research II, Vol. 53, 3049-3062. pdf
Wilkerson F. P, Lassiter A. M., Dugdale R. C., Hogue V. E., Marchi A. (2006). Phytoplankton bloom response to wind events and upwelled nutrients during the CoOP-WEST study. Deep Sea Research II, Vol. 53, 3023-3048. pdf
Lassiter A. M., Wilkerson F. P, Dugdale R. C., Hogue V. E. (2006). Phytoplankton assemblages in the CoOP-WEST coastal upwelling area. Deep Sea Research II, Vol. 53, 3063-3077. pdf
Largier J. L., Lawrence C. A., Roughan M., Kaplan D. M., Dever E. P., Dorman C. E., Kudela R. M., Bollens S. M., Wilkerson F. P., Dugdale R. C., Botsford L. W., Garfield N., Cervantes B. K., Coracin D. (2006). WEST: A northern California study of the role of wind-driven transport in the productivity of coastal plankton communities. Deep Sea Research II, Vol. 53, 2833-2849.pdf
Parker A. E., Fuller J., and Dugdale R. C. (2006). Estimating dissolved inorganic carbon concentrations from salinity in San Francisco Bay for use in 14C-primary production studies. Interagency Ecological Program for the San Francisco Estuary (in press). pdf
Takabayashi M., Lew K., Johnson A., Marchi, A., Dugdale R. C., and Wilkerson F. P. (2006). The effect of nutrient availability and temperature on chain length of the diatom, Skeletonema costatum. Journal of Plankton Research, Vol. 28, no. 9, 831-840. pdf
Wilkerson F. P., Dugdale R. C., Hogue V. E., Marchi, A. (2006). Phytoplankton blooms and nitrogen productivity in San Francisco Bay. Estuaries and Coasts, Vol. 29, no. 3, 401-416. pdf
2005
Takabayashi M., Wilkerson F. P., and Robertson D. (2005). Response of glutamine synthetase gene transcription and enzyme activity to external nitrogen sources in the diatom Skeletonema Costatum (bacillariophyceae). Journal of Phycology, 41, 84-94.pdf
Parker A. E. (2005). Differential supply of autochthonous organic carbon and nitrogen to the microbial loop in the Delaware Estuary. Estuaries, Vol. 28, no. 6, 856-867. pdf
Hogue V. E., Wilkerson F. P., Dugdale R. C. (2005). Ultraviolet radiation-B effects on natural phytoplankton assemblages of central San Francisco Bay. Estuaries, Vol. 28, no. 2, 190-203. pdf
Cloern J. E., Schraga T. S., Lopez C. B., Knowles N., Labiosa R. G., Dugdale R. C. (2005). Climate anomalies generate and exceptional dinoflagellate bloom in San Francisco Bay. Geophyscial Research Letters, Vol. 32., L14608. pdf
2004
Ambrust E. V. et al. (45 authors) (2004). The genome of the diatom Thalassiosira Pseudonana: ecology, evolution, and, metabolism. Science, Vol. 306, 79-86. pdf
Dugdale R. C., Lyle M., Wilkerson F. P., Chai, F., Barber R. T., and Peng T. -H. (2004). Influence of Equatorial diatom processes on Si deposition and atmospheric CO2 cycles at glacial/interglacial timescales. Paleoceanography, Vol. 19, PA3011, doi:10.1029/2003PA000929. pdf
Strutton, P. G; Chavez, F. P; Dugdale, R. C; Hogue, V. (2004). Primary productivity in the central equatorial Pacific (3 degree S 130 degree W) during GasEx-2001. Journal of Geophysical Research. C. Oceans [J. Geophys. Res. (C Oceans)]. Vol. 109, no. C8, [np]. Jul 2004.
2003
Chai, F., M. Jiang, R.T. Barber, R.C. Dugdale, and Y. Chao (2003). Interdecadal Variation of the Transition Zone Chlorophyll Front, A Physical-Biological Model Simulation between 1960 and 1990. Journal of Oceanography, Vol. 59, 461-475. pdf
Jiang M-S, Chai F., Digdale R. C., Wilkerson F. P., Peng T-H and Barber R. T. (2003). A nitrate and silicate budget in the equatorial Pacific Ocean: a coupled physical-biological model study. Deep-Sea Research II, Vol. 50, 2971-2996. pdf
2002
Dugdale R. C., Wischmeyer A. G., Wilkerson F. P., Barber R. T., Chai F., Jiang M. -S., Peng T. -H. (2002). Meridional asymmetery of source nutrients to the equatorial Pacific upwelling ecosystem and its potential impact on ocean-atmosphere CO2 flux; a data and modeling approach Deep-sea Research II (49), 2513-2531. pdf
Chai F., Dugdale R. C., Peng T. -H., Wilkerson F. P., Barber R. T. (2002). One-dimensional ecosystem model of the equatorial Pacific upwelling system. Part I: Model development and silicon and nitrogen cycle. Deep-sea Research II (49), 2713-2745. pdf
Dugdale R. C., Barber R. T., Chai F., Peng T. -H., Wilkerson F. P. (2002). One-dimensional ecosystem model of the equatorial Pacific upwelling system. Part II: sensitivity analysis and comparison JGOFS EqPac data. Deep-sea Research II (49), 2747-2768. pdf
Wilkerson F. P., Dugdale R. C., Marchi A., and Collins C. A. (2002). Hydrography, nutrients, and chlorophyll during El Nino and La Nina 1997-1999 winters in the Gulf of the Farallones, California. Progress in Oceanography, Vol. 54, 293-310. pdf
2001
Hogue V. E., Wilkerson F. P., Dugdale R. C., and Marchi A.(2001). Phytoplankton and nutrient dynamics in Suisun, San Pablo, and Central Bays. Interagency Ecological Program for the San Francisco Estuary, 14(4): 35-41. pdf
Dugdale, R.C. and F.P. Wilkerson. (2001). Sources and fates of silicon in the ocean: the role of diatoms in climate and glacial cycles. Scientia Marina 65: (Suppl. 2: A Marine Science Odyssey Into the 21st Century, J.M. Gili, J.L. Pretus and T.T. Packard, eds.) 141-152. pdf
2000
Kudela, R.M. and Dugdale R.C. (2000). Regulation of phytoplankton new production as determined by enclosure experiments with nutrient additions in Monterey Bay, California. Deep-Sea Research II, 47:1023-1053. pdf
Wilkerson, F.P., Dugdale R.C., Chavez F.P., and Kudela R.M. (2000). Biomass and productivity in Monterey Bay, CA: contribution of the larger autotrophs. Deep-Sea Research II, 47:1003-1022. pdf
1998
Dugdale R. C. and Wilkerson F. P. (1998). Silicate regulation of new production in the equatorial Pacific upwelling. Nature, Vol. 391, 270-273. pdf
1997
Brzezinski M. A., Phillips D. R., Chavez F. P., Freidrich G. E., and Dugdale R. C. (1997). Silica Production in Monterey, California, upwelling system. Limnology and Oceanography, Vol. 42, no.8, 1694-1705. pdf
Kudela, R.M., W.P. Cochlan and R.C. Dugdale. (1997). Carbon and nitrogen uptake response to light by phytoplankton during an upwelling event. Journal of Plankton Research, 19:609-630. pdf
Dugdale R. C., Davis C. O. and Wilkerson F. P. (1997). Assessment of new production in the upwelling center at Point Conception, California estimated using remotely sensed sea-surface temperatures. Journal of Geophysical Research, Vol. 102, 573-885. pdf
Wilkerson F. P. and Dugdale R. C. (1997). The effect of El Nino on coastal new production. In California and the World Ocean '97, 1554-1562.pdf
1996
Kudela, R.M. and Dugdale R. C. (1996). Estimation of new production from remotely sensed data in a coastal upwelling regime. Advances in Space Research, 18:91-97. pdf
Wilkerson F. P. and Dugdale R. C. (1996). Silicate vrsus nitrate limitation in the equatorial Pacific estimated from satellite-derived sea surface temperatures. Advances in Space Research, Vol. 18, 81-89. pdf
Raschke E., Salomonson V. V., Stuhlmann R. and Wilkerson F. P. (1996). Satellite Data for Atmosphere, Continent, and Ocean Research, 142, Elsevier Press.
1995
Dugdale R. C., Wilkerson F. P. and Minas H. J. (1995). The role of a silicate pump in driving new production. Deep-Sea Research, Vol. 42, 697-719. pdf
1994
Dugdale R. C., Wilkerson F. P., Halpern D., Chavez F. P. and Barber R. T. (1994). Remote sensing of seasonal and annual variation of equatorial new production: a model for global estimates. Advances in Space Research, Vol. 14, 169-178. pdf
McCloskey L. R., Muscatine L. and Wilkerson F. P. (1994). Daily photosynthesis, respiration, and carbon budgets in a trophic marine jellyfish (Mastigas sp.). Marine Biology, Vol. 119, 13-22. pdf
1993
Minas H. J., Dugdale R. C., Minas M. and Wilkerson F. P. (1993). New production in oligotrophic waters: a review of results and ideas induced by the "14C-method" controversy.
1992
Dugdale R. C., Wilkerson F. P., Barber R. T. and Chavez F. P. (1992). Estimating new production in the equatorial Pacific Ocean at 150W. Journal of Geophysical Research, Vol. 97, 681-686. pdf
Wilkerson F. P. and Dugdale R. C. (1992). Measurements of nitrogen productivity in the equatorial Pacific at 150W. Journal of Geophysical Research, Vol. 97, 669-679. pdf
Dugdale R. C. and Wilkerson F. P. (1992). Nutrient limitation of new production. In Primary Productivity and Biogeochemical Cycles in the Sea, P. G. Falkowski and A. D. Woodheads (ed.), Plenum Press, New York, 107-122.
Wilkerson F. P. and Kremer P. (1992). DIN, DON, and PO4 uptake by a medusae with algal symbionts. Marine Ecology Progress Series, Vol. 90, 273-250. pdf
1991
Dugdale R. C. and Wilkerson F. P. (1991). Low specific nitrate uptake rate: a common feeature of high-nutrient, low-chlorophyll marine ecosystems. Limnology and Oceanography, Vol. 36, no.8, 1678-1688. pdf
1990
Dugdale R. C., Wilkerson F. P. and Morel A. (1990). Realization of new production in upwelling areas: a means to compare relative performance. Limnology and Oceanography, Vol. 35, no.4, 822-829. pdf
Dugdale R. C., Wilkerson F. P. and Morel A. (1990). Modeling new production in upwelling centers: I Application of a shift-up model to 3 upwelling areas.
Dugdale R. C. and Wilkerson F. P. (1990). Iron addition experiments in Antarctica-a reanalysis. Global Biogeochemical Cycles, Vol. 4, 13-19. pdf
Wilkerson F. P. and Grunseich G. (1990). Formation of blooms by the symbiotic ciliate Mesodinium rubrum: the significance of nitrogen uptake. Journal of Plankton Research, Vol. 12, 973-989. pdf
1989
Dugdale R. C. and Wilkerson F. P. (1989). New production in the upwelling center at Point Conception, California: temporal and spatial patterns. Deep-Sea Research, Vol. 36, 985-1007. pdf
Dugdale R. C., Morel A., Bricaud A. and Wilkerson F. P. (1989). Modeling new production in upwelling centers: II A case-study of modeling new production from remotely sensed temperature and color. Journal of Geophysical Research, Vol. 94. 18119-18133. pdf
Dugdale R. C. and Wilkerson F. P. (1989). Regional perspectives in global new production. In Oceanologie Actualite et Prospective, M. M. Denis (ed.), Proceedings of the Centennial of Station d'Endoume, Marseille, 289-309.
1988
Wilkerson F. P., Kobayashi D., and Muscatine L. (1988). Cell division and size of symbiotic algae in Carribean reef corals. Coral Reefs, Vol. 7, 29-36. pdf
Dugdale R. C. and Wilkerson F. P. (1988). Nutrient sources and primary production in the Eastern Mediterranean. Oceanologia Acta Spec, 179-184. pdf
1987
Wilkerson F. P. and Dugdale R. C. (1987). The use of large shipboard barrels and drifters to study the effects of coastal upwelling and phytoplankton dynamics. Limnology and Oceanography, Vol. 32, no.2, 368-382. pdf
Wilkerson F. P., Dugdale R. C., and Barber R. T. (1987). Effects of El Nino on new, regenerated and total production in eastern boundary upwelling systems. Journal of Geophysical Research, Vol. 92, 14347-14355. pdf
Dugdale R. C., Wilkerson F. P., Barber R. T., Blasco D., and Packard T. T. (1987). Changes in nutrients, pH, light penetration and heat budget by migrating photosynthetic organisms. Oceanology Acta Spec, Vol. 6, 103-109. pdf
1986
Dugdale R. C. and Wilkerson F. P. (1986). The use of 15N to measure nitrogen uptake in eutrophic oceans; experimental considerations. Limnology and Oceanography, Vol. 31, no.4, 673-689. pdf
Muscatine L., Wilkerson F. P., McCloskey L. R. (1986). Regulation of population density of symbiotic algae in a tropical marine jellyfish (Mastigas sp.). Marine Ecology Progress Series, Vol. 32, 279-290. pdf
Wilkerson F. P. and Trench R. K. (1986). Uptake of dissolved inorganic nitrogen by the symbiotic clam Tridacna gigas and the coral Acropora sp. Marine Biology, Vol. 93, 237-246. pdf
1967
Dugdale R. C., (1967). Nutrient limitation in the sea: dynamics, identification, and significance. Limnology and Oceanography, Vol. 12, no. 4, 685-695. pdf
Dugdale R. C. and Goering J. J. (1967). Uptake of new and regenerated forms of nitrogen in primary productivity. Limnology and Oceanography, Vol. 12, no. 2, 196-206. pdf
González-Galisteo, S., T.T. Packard, M. Gómez, A. Herrera, R.C. Dugdale, F.P. Wilkerson, R.T. Barber, D. Blasco, J.P. Christensen, J.P. and L.A. Codispoti. 2019. Calculating new production from nitrate reductase activity and light in the Peru Current Upwelling. Progress in Oceanography 73: 78-85. https://doi.org/10.1016/j.pocean.2019.02.009 PDF
2018
Glibert P.M., C.A. Heil, F.P. Wilkerson, R.C. Dugdale. 2018 Nutrients and harmful algal blooms: dynamic kinetics and flexible nutrition. In: Glibert P., Berdalet E., Burford M., Pitcher G., Zhou M. (eds) Global Ecology and Oceanography of Harmful Algal Blooms. Ecological Studies (Analysis and Synthesis), vol 232. Springer, Cham, pp.93-112. doi.org/10.1007/978-3-319-70069-4_6 PDF
Liu, Q., F. Chai, R.C. Dugdale, Y.Chao, H. Xue, S. Rao, F. Wilkerson, J. Farrara, H. Zhang, Z. Wang, and Y. Zhang. 2018. San Francisco Bay nutrients and plankton dynamics as simulated by a coupled hydrodynamic-ecosystem model. Continental Shelf Research 161: 29-48.
2017
Chao, Y., J.D. Farrara, E. Bjorkstedt, F. Chai, F. Chavez, D. Rudnick, W. Enright, J. L. Fisher, W.T. Peterson, G.F. Welch, C.O. Davis, R.C. Dugdale, F.P. Wilkerson, H. Zhang, Y. Zhang, E. Ateljevich. 2017. The origins of the anomalous warming in the California coastal ocean and San Francisco Bay during 2014-2016. [Paper #2017JC013120] Journal of Geophysical Research – Oceans 122.
Chao, Y., J. D. Farrara, H. Zhang, Y. J. Zhang, E. Ateljevich, F. Chai, C. O. Davis, R. Dugdale, F. Wilkerson, 2017 Development, implementation, and validation of a modeling system for the San Francisco Bay and estuary. Estuarine Coast. Shelf Sci., 194: 40-56
Kraus, TE.C., K.D. Carpenter, B.A. Bergamaschi, A.E. Parker, E. B. Stumpner, B.D. Downing, N.M. Travis, F.P. Wilkerson, C. Kendall, T.D. Mussen. 2017. A river-scale Lagrangian experiment examining controls on phytoplankton dynamics in the presence and absence of treated wastewater effluent high in ammonium. Limnology and Oceanography 62: 1234-1253.
2016
Dugdale, R.C., F.P. Wilkerson, A.E. Parker. 2016. The effect of clam grazing on phytoplankton spring blooms in the low-salinity zone of San Francisco Estuary: a modelling approach. Ecological Modelling 340: 1-16.
Dugdale, R., F. Wilkerson, A.E. Parker. 2016 The “ammonium paradox”: a summary of more than a decade of research into phytoplankton processes and nitrogen relationships in the northern San Francisco Estuary. Section 5. In Senn et al. Suisun Synthesis II Report, SFEI-awaiting final publication
Wilkerson, F.P. and R. C. Dugdale. 2016. The ammonium paradox of a high nutrient low chlorophyll estuary. In: Aquatic Microbial Ecology and Biogeochemistry: A Dual Perspective” (P.M. Glibert and T.M. Kana (ed), Springer.
Glibert, P.M., F.P. Wilkerson, R.C. Dugdale, J. A. Raven, C. Dupont, P.R. Leavitt, A.E. Parker, J.M. Burkholder, T.M. Kana. 2016. Pluses and minuses of ammonium and nitrate uptake and assimilation by phytoplankton and implications for productivity and community composition, with emphasis on nitrogen-enriched conditions. Limnology and Oceanography 61: 165-197.
2015
Lee, J., A.E. Parker, F.P. Wilkerson, R.C Dugdale. 2015. Kinetics and inhibition of nitrogen uptake in Microcystis aeruginosa: results from cultures and field assemblages in the San Francisco Bay Delta, CA. Harmful Algae 47: 126-140.
Wilkerson, F.P., R.C. Dugdale, A.E. Parker, A.E., S.B. Blaser, A. Pimenta. 2015. Nutrient uptake and primary productivity in an urban estuary: using rate measurements to evaluate phytoplankton response to different hydrological and nutrient conditions. Aquatic Ecology 49(2): 211-233.
Glibert P.M., R.C. Dugdale, F.P. Wilkerson, A.E. Parker, J.A. Alexander, E.A. Antell, S. Blaser, A. Johnson, J. Lee, T. Lee, S. Murasko, S. Strong. 2014. Major – but rare – spring blooms in 2014 in San Francisco Bay Delta, California, a result of the long-term drought, increased residence time, and altered nutrient loads and forms. Journal of Experimental Marine Biology and Ecology 460: 8–18. doi: 10.1016/j.jembe.2014.06.001.
2014
Cohen. R., F.P. Wilkerson, A.E. Parker, E. Carpenter. 2014 Ecosystem scale rates of primary production within wetland habitats of the northern San Francisco Estuary. Wetlands 34: 759-774. doi 10.1007/s13157-014-0540-3. PDF
Glibert, P.M., F.P. Wilkerson, R. C. Dugdale, A. E. Parker, J. Alexander, S. Blaser, S. Murasko. 2014 Phytoplankton communities from San Francisco Bay Delta respond differently to oxidized and reduced nitrogen substrates- even under conditions that would otherwise suggest nitrogen sufficiency. Frontiers in Marine Science. doi: 10.3389/fmars.2014.00017. PDF
Glibert P.M., R.C. Dugdale, F.P. Wilkerson, F, Alexander AE, Jeffrey A, Antell E, Blaser S, Johnson A, Lee J, Lee T, Murasko S, Strong S. 2014. Major – but rare – spring blooms in 2014 in San Francisco Bay Delta, California, a result of the long-term drought, increased residence time, and altered nutrient loads and forms. Journal of Experimental Marine Biology and Ecology 460: 8–18. doi: 10.1016/j.jembe.2014.06.001. PDF
2013
Buck, C., F. Wilkerson, A.E. Parker, R.C. Dugdale. 2013 The influence of coastal nutrients on phytoplankton productivity in a shallow low inlet estuary, Drakes Estero, California (USA). Estuaries and Coasts 37: 847-863. 10.1007/s12237-013-9737-6. PDF
Dugdale, R.C., F.P. Wilkerson, and A.E. Parker, 2013. A biogeochemical model of phytoplankton productivity in an urban estuary: the importance of ammonium and freshwater flow. Ecological Modeling. 263: 291-307. PDF
2012
R Dugdale, F Wilkerson, AE Parker, A Marchi, K Taberski (2012). River flow and ammonium discharge determine spring phytoplankton blooms in an urbanized estuary. Estuarine, Coastal and Shelf Science.
AE Parker, VE Hogue, FP Wilkerson, RC Dugdale (2012). The effect of inorganic nitrogen speciation on primary production in the San Francisco Estuary. Estuarine, Coastal and Shelf Science 104, 91-101
AE Parker, RC Dugdale, FP Wilkerson (2012). Elevated ammonium concentrations from wastewater discharge depress primary productivity in the Sacramento River and the northern San Francisco Estuary. Marine Pollution Bulletin 64 (3), 574-586
2011
AE Parker, FP Wilkerson, RC Dugdale, AM Marchi, VE Hogue, MR Landry, AG Taylor (2011). Spatial patterns of nitrogen uptake and phytoplankton in the equatorial upwelling zone (110W-140W) during 2004 and 2005. Deep Sea Research Part II: Topical Studies in Oceanography 58 (3), 417-433
2010
Dugdale, R, F. Chai, R. Feely, C. Measures, A. Parker, F. Wilkerson (2010). The regulation of equatorial Pacific new production and pCO2 by silicate-limited diatoms, Deep-Sea Research II doi:10.1016/j.dsr2.2010.08.008 Vol 58: 477-492
Parker, A.E., Al M. Marchi, Jan Davidson-Drexel, Richard C. Dugdale, Frances P. Wilkerson. (2010). Effect of ammonium and wastewater effluent on riverine phytoplankton in the Sacramento River, CA. Technical Report for the California State Water Resources Board.
Parker, A.E., F. Wilkerson, R.C. Dugdale, A. Marchi, V. Hogue, M. Landry and A.G. Taylor. (2010). Spatial patterns of nitrogen uptake and phytoplankton in the equatorial upwelling zone (110ºW –140ºW) during 2004 and 2005. Deep Sea Research. II doi:10.1016/j.dsr2.2010.08. Vol 58: 417-433
Strutton, P.G., A. Palacz, R.C. Dugdale, F. Chai, A. Marchi, A. Parker, V. Hogue, F. Wilkerson. (2010). The impact of equatorial Pacific tropical instability waves on hydrography and nutrients: 2004-2005. Deep-Sea Research II doi:10.1016/j.dsr2.2010.08.015. Vol 58: 284-295
2008
Wilkerson, F.P. and R.C. Dugdale (2008). Coastal Upwelling. In: “Nitrogen in the Marine Environment “, Capone et al. (eds). Elsevier Press, pp 765-801.
2007
Dugdale R. C., Wilkerson F. P, Hogue V. E., Marchi A. (2007). The role of ammonium and nitrate in spring bloom development in San Francisco Bay. Estuarine Coastal and Shelf Science, Vol 73, 17-29. pdf
2006
Dugdale R. C., Wilkerson F. P, Hogue V. E., Marchi A. (2006). Nutrient controls on new production in the Bodega Bay, California, coastal upwelling plume. Deep Sea Research II, Vol. 53, 3049-3062. pdf
Wilkerson F. P, Lassiter A. M., Dugdale R. C., Hogue V. E., Marchi A. (2006). Phytoplankton bloom response to wind events and upwelled nutrients during the CoOP-WEST study. Deep Sea Research II, Vol. 53, 3023-3048. pdf
Lassiter A. M., Wilkerson F. P, Dugdale R. C., Hogue V. E. (2006). Phytoplankton assemblages in the CoOP-WEST coastal upwelling area. Deep Sea Research II, Vol. 53, 3063-3077. pdf
Largier J. L., Lawrence C. A., Roughan M., Kaplan D. M., Dever E. P., Dorman C. E., Kudela R. M., Bollens S. M., Wilkerson F. P., Dugdale R. C., Botsford L. W., Garfield N., Cervantes B. K., Coracin D. (2006). WEST: A northern California study of the role of wind-driven transport in the productivity of coastal plankton communities. Deep Sea Research II, Vol. 53, 2833-2849.pdf
Parker A. E., Fuller J., and Dugdale R. C. (2006). Estimating dissolved inorganic carbon concentrations from salinity in San Francisco Bay for use in 14C-primary production studies. Interagency Ecological Program for the San Francisco Estuary (in press). pdf
Takabayashi M., Lew K., Johnson A., Marchi, A., Dugdale R. C., and Wilkerson F. P. (2006). The effect of nutrient availability and temperature on chain length of the diatom, Skeletonema costatum. Journal of Plankton Research, Vol. 28, no. 9, 831-840. pdf
Wilkerson F. P., Dugdale R. C., Hogue V. E., Marchi, A. (2006). Phytoplankton blooms and nitrogen productivity in San Francisco Bay. Estuaries and Coasts, Vol. 29, no. 3, 401-416. pdf
2005
Takabayashi M., Wilkerson F. P., and Robertson D. (2005). Response of glutamine synthetase gene transcription and enzyme activity to external nitrogen sources in the diatom Skeletonema Costatum (bacillariophyceae). Journal of Phycology, 41, 84-94.pdf
Parker A. E. (2005). Differential supply of autochthonous organic carbon and nitrogen to the microbial loop in the Delaware Estuary. Estuaries, Vol. 28, no. 6, 856-867. pdf
Hogue V. E., Wilkerson F. P., Dugdale R. C. (2005). Ultraviolet radiation-B effects on natural phytoplankton assemblages of central San Francisco Bay. Estuaries, Vol. 28, no. 2, 190-203. pdf
Cloern J. E., Schraga T. S., Lopez C. B., Knowles N., Labiosa R. G., Dugdale R. C. (2005). Climate anomalies generate and exceptional dinoflagellate bloom in San Francisco Bay. Geophyscial Research Letters, Vol. 32., L14608. pdf
2004
Ambrust E. V. et al. (45 authors) (2004). The genome of the diatom Thalassiosira Pseudonana: ecology, evolution, and, metabolism. Science, Vol. 306, 79-86. pdf
Dugdale R. C., Lyle M., Wilkerson F. P., Chai, F., Barber R. T., and Peng T. -H. (2004). Influence of Equatorial diatom processes on Si deposition and atmospheric CO2 cycles at glacial/interglacial timescales. Paleoceanography, Vol. 19, PA3011, doi:10.1029/2003PA000929. pdf
Strutton, P. G; Chavez, F. P; Dugdale, R. C; Hogue, V. (2004). Primary productivity in the central equatorial Pacific (3 degree S 130 degree W) during GasEx-2001. Journal of Geophysical Research. C. Oceans [J. Geophys. Res. (C Oceans)]. Vol. 109, no. C8, [np]. Jul 2004.
2003
Chai, F., M. Jiang, R.T. Barber, R.C. Dugdale, and Y. Chao (2003). Interdecadal Variation of the Transition Zone Chlorophyll Front, A Physical-Biological Model Simulation between 1960 and 1990. Journal of Oceanography, Vol. 59, 461-475. pdf
Jiang M-S, Chai F., Digdale R. C., Wilkerson F. P., Peng T-H and Barber R. T. (2003). A nitrate and silicate budget in the equatorial Pacific Ocean: a coupled physical-biological model study. Deep-Sea Research II, Vol. 50, 2971-2996. pdf
2002
Dugdale R. C., Wischmeyer A. G., Wilkerson F. P., Barber R. T., Chai F., Jiang M. -S., Peng T. -H. (2002). Meridional asymmetery of source nutrients to the equatorial Pacific upwelling ecosystem and its potential impact on ocean-atmosphere CO2 flux; a data and modeling approach Deep-sea Research II (49), 2513-2531. pdf
Chai F., Dugdale R. C., Peng T. -H., Wilkerson F. P., Barber R. T. (2002). One-dimensional ecosystem model of the equatorial Pacific upwelling system. Part I: Model development and silicon and nitrogen cycle. Deep-sea Research II (49), 2713-2745. pdf
Dugdale R. C., Barber R. T., Chai F., Peng T. -H., Wilkerson F. P. (2002). One-dimensional ecosystem model of the equatorial Pacific upwelling system. Part II: sensitivity analysis and comparison JGOFS EqPac data. Deep-sea Research II (49), 2747-2768. pdf
Wilkerson F. P., Dugdale R. C., Marchi A., and Collins C. A. (2002). Hydrography, nutrients, and chlorophyll during El Nino and La Nina 1997-1999 winters in the Gulf of the Farallones, California. Progress in Oceanography, Vol. 54, 293-310. pdf
2001
Hogue V. E., Wilkerson F. P., Dugdale R. C., and Marchi A.(2001). Phytoplankton and nutrient dynamics in Suisun, San Pablo, and Central Bays. Interagency Ecological Program for the San Francisco Estuary, 14(4): 35-41. pdf
Dugdale, R.C. and F.P. Wilkerson. (2001). Sources and fates of silicon in the ocean: the role of diatoms in climate and glacial cycles. Scientia Marina 65: (Suppl. 2: A Marine Science Odyssey Into the 21st Century, J.M. Gili, J.L. Pretus and T.T. Packard, eds.) 141-152. pdf
2000
Kudela, R.M. and Dugdale R.C. (2000). Regulation of phytoplankton new production as determined by enclosure experiments with nutrient additions in Monterey Bay, California. Deep-Sea Research II, 47:1023-1053. pdf
Wilkerson, F.P., Dugdale R.C., Chavez F.P., and Kudela R.M. (2000). Biomass and productivity in Monterey Bay, CA: contribution of the larger autotrophs. Deep-Sea Research II, 47:1003-1022. pdf
1998
Dugdale R. C. and Wilkerson F. P. (1998). Silicate regulation of new production in the equatorial Pacific upwelling. Nature, Vol. 391, 270-273. pdf
1997
Brzezinski M. A., Phillips D. R., Chavez F. P., Freidrich G. E., and Dugdale R. C. (1997). Silica Production in Monterey, California, upwelling system. Limnology and Oceanography, Vol. 42, no.8, 1694-1705. pdf
Kudela, R.M., W.P. Cochlan and R.C. Dugdale. (1997). Carbon and nitrogen uptake response to light by phytoplankton during an upwelling event. Journal of Plankton Research, 19:609-630. pdf
Dugdale R. C., Davis C. O. and Wilkerson F. P. (1997). Assessment of new production in the upwelling center at Point Conception, California estimated using remotely sensed sea-surface temperatures. Journal of Geophysical Research, Vol. 102, 573-885. pdf
Wilkerson F. P. and Dugdale R. C. (1997). The effect of El Nino on coastal new production. In California and the World Ocean '97, 1554-1562.pdf
1996
Kudela, R.M. and Dugdale R. C. (1996). Estimation of new production from remotely sensed data in a coastal upwelling regime. Advances in Space Research, 18:91-97. pdf
Wilkerson F. P. and Dugdale R. C. (1996). Silicate vrsus nitrate limitation in the equatorial Pacific estimated from satellite-derived sea surface temperatures. Advances in Space Research, Vol. 18, 81-89. pdf
Raschke E., Salomonson V. V., Stuhlmann R. and Wilkerson F. P. (1996). Satellite Data for Atmosphere, Continent, and Ocean Research, 142, Elsevier Press.
1995
Dugdale R. C., Wilkerson F. P. and Minas H. J. (1995). The role of a silicate pump in driving new production. Deep-Sea Research, Vol. 42, 697-719. pdf
1994
Dugdale R. C., Wilkerson F. P., Halpern D., Chavez F. P. and Barber R. T. (1994). Remote sensing of seasonal and annual variation of equatorial new production: a model for global estimates. Advances in Space Research, Vol. 14, 169-178. pdf
McCloskey L. R., Muscatine L. and Wilkerson F. P. (1994). Daily photosynthesis, respiration, and carbon budgets in a trophic marine jellyfish (Mastigas sp.). Marine Biology, Vol. 119, 13-22. pdf
1993
Minas H. J., Dugdale R. C., Minas M. and Wilkerson F. P. (1993). New production in oligotrophic waters: a review of results and ideas induced by the "14C-method" controversy.
1992
Dugdale R. C., Wilkerson F. P., Barber R. T. and Chavez F. P. (1992). Estimating new production in the equatorial Pacific Ocean at 150W. Journal of Geophysical Research, Vol. 97, 681-686. pdf
Wilkerson F. P. and Dugdale R. C. (1992). Measurements of nitrogen productivity in the equatorial Pacific at 150W. Journal of Geophysical Research, Vol. 97, 669-679. pdf
Dugdale R. C. and Wilkerson F. P. (1992). Nutrient limitation of new production. In Primary Productivity and Biogeochemical Cycles in the Sea, P. G. Falkowski and A. D. Woodheads (ed.), Plenum Press, New York, 107-122.
Wilkerson F. P. and Kremer P. (1992). DIN, DON, and PO4 uptake by a medusae with algal symbionts. Marine Ecology Progress Series, Vol. 90, 273-250. pdf
1991
Dugdale R. C. and Wilkerson F. P. (1991). Low specific nitrate uptake rate: a common feeature of high-nutrient, low-chlorophyll marine ecosystems. Limnology and Oceanography, Vol. 36, no.8, 1678-1688. pdf
1990
Dugdale R. C., Wilkerson F. P. and Morel A. (1990). Realization of new production in upwelling areas: a means to compare relative performance. Limnology and Oceanography, Vol. 35, no.4, 822-829. pdf
Dugdale R. C., Wilkerson F. P. and Morel A. (1990). Modeling new production in upwelling centers: I Application of a shift-up model to 3 upwelling areas.
Dugdale R. C. and Wilkerson F. P. (1990). Iron addition experiments in Antarctica-a reanalysis. Global Biogeochemical Cycles, Vol. 4, 13-19. pdf
Wilkerson F. P. and Grunseich G. (1990). Formation of blooms by the symbiotic ciliate Mesodinium rubrum: the significance of nitrogen uptake. Journal of Plankton Research, Vol. 12, 973-989. pdf
1989
Dugdale R. C. and Wilkerson F. P. (1989). New production in the upwelling center at Point Conception, California: temporal and spatial patterns. Deep-Sea Research, Vol. 36, 985-1007. pdf
Dugdale R. C., Morel A., Bricaud A. and Wilkerson F. P. (1989). Modeling new production in upwelling centers: II A case-study of modeling new production from remotely sensed temperature and color. Journal of Geophysical Research, Vol. 94. 18119-18133. pdf
Dugdale R. C. and Wilkerson F. P. (1989). Regional perspectives in global new production. In Oceanologie Actualite et Prospective, M. M. Denis (ed.), Proceedings of the Centennial of Station d'Endoume, Marseille, 289-309.
1988
Wilkerson F. P., Kobayashi D., and Muscatine L. (1988). Cell division and size of symbiotic algae in Carribean reef corals. Coral Reefs, Vol. 7, 29-36. pdf
Dugdale R. C. and Wilkerson F. P. (1988). Nutrient sources and primary production in the Eastern Mediterranean. Oceanologia Acta Spec, 179-184. pdf
1987
Wilkerson F. P. and Dugdale R. C. (1987). The use of large shipboard barrels and drifters to study the effects of coastal upwelling and phytoplankton dynamics. Limnology and Oceanography, Vol. 32, no.2, 368-382. pdf
Wilkerson F. P., Dugdale R. C., and Barber R. T. (1987). Effects of El Nino on new, regenerated and total production in eastern boundary upwelling systems. Journal of Geophysical Research, Vol. 92, 14347-14355. pdf
Dugdale R. C., Wilkerson F. P., Barber R. T., Blasco D., and Packard T. T. (1987). Changes in nutrients, pH, light penetration and heat budget by migrating photosynthetic organisms. Oceanology Acta Spec, Vol. 6, 103-109. pdf
1986
Dugdale R. C. and Wilkerson F. P. (1986). The use of 15N to measure nitrogen uptake in eutrophic oceans; experimental considerations. Limnology and Oceanography, Vol. 31, no.4, 673-689. pdf
Muscatine L., Wilkerson F. P., McCloskey L. R. (1986). Regulation of population density of symbiotic algae in a tropical marine jellyfish (Mastigas sp.). Marine Ecology Progress Series, Vol. 32, 279-290. pdf
Wilkerson F. P. and Trench R. K. (1986). Uptake of dissolved inorganic nitrogen by the symbiotic clam Tridacna gigas and the coral Acropora sp. Marine Biology, Vol. 93, 237-246. pdf
1967
Dugdale R. C., (1967). Nutrient limitation in the sea: dynamics, identification, and significance. Limnology and Oceanography, Vol. 12, no. 4, 685-695. pdf
Dugdale R. C. and Goering J. J. (1967). Uptake of new and regenerated forms of nitrogen in primary productivity. Limnology and Oceanography, Vol. 12, no. 2, 196-206. pdf