Positions Held
2011 - present. Professor of Biology, Temple University.
2002 - 2011.
Associate Professor of Biology, Temple University.
1996 - 2002. Assistant Professor of
Biology, Temple
University.
1996, Jan - May. Visiting Assistant
Professor, Stockton College of New Jersey.
1993 - 1998. Adjunct Assistant Professor,
University of Pennsylvania.
1989 - 1996. Assistant Curator, Microbial
Ecology Section Leader, Academy of Natural Sciences, Philadelphia PA
Sanders, R.W. and R.J. Gast. 2012.
Bacterivory by phototrophic picoplankton and nanoplankton in Arctic
waters. FEMS Microbiology Ecology 75:xxx-xxx.
[10.1111/j.1574-6941.2011.01253.x]. Accepted ms. on line [here]
Tsai, A.Y., G.C. Gong, R.W. Sanders, K.P. Chiang, J.K. Huang, and Y.F. Chan. 2012. Viral lysis and nanoflagellate grazing as factors controlling diel variations of Synechococcus spp. summer abundance in coastal waters of Taiwan. Aquatic Microbial Ecology 66:159-167. [doi:10.3354/ame01566] [full article]
Tsai, A.Y., G.C. Gong, R.W. Sanders,
K.P. Chiang, and C.F. Choa. 2012. Heterotrophic bacterial and
Synechococcus spp. growth and
mortality along the inshore-offshore in
the East China Sea in summer. J. Oceanography 68:151-162.
[DOI:10.1007/s10872-011-0076-6] [full
article]
Sanders, R.W. 2011. Alternative nutritional strategies in protists: symposium introduction and a review of freshwater protists that combine photosynthesis and heterotrophy. Journal of Eukaryotic Microbiology 58:181-184. [full article]
Tsai, A.Y., G.C. Gong, R.W. Sanders, W.H. Chen, C.F. Chao, and K.P. Chiang. 2011. Relative importance of pigmented- and heterotrophic nanoflagellates grazing on bacteria during the warm season in a coastal subtropical ecosystem of the Western Pacific. Aquatic Microbial Ecology 63:9-18. [full article]
Tsai, A.Y., Sanders, R.W., Chao, C., Chiang, K., and Gong, G. 2010. Microbial dynamics in an oligotrophic bay of the western subtropical Pacific: impact of short-term heavy freshwater runoff and upwelling. Journal of Oceanography 66:873-883. [abstract]
Tsai, A.Y., G.W. Gong, R.W. Sanders,
C.J. Wang, and K.P. Chiang. 2010. The impact of the Changjiang River
plume extension on the nanoflagellate community in the East China Sea.
Estuarine Coastal and Shelf Science 89: 21-30. [abstract]
Taylor, W.T. & R.W. Sanders. 2010.
Chap. 3. Protozoa. In: Ecology and Classification of North American
Freshwater Invertebrates, 3rd ed., J. Thorp & A. Covich (eds.)
Academic.
Gast, R.J., R.W. Sanders and D.A. Caron.
2009. Ecological strategies of protists and their symbiotic
relationships with prokaryotic microbes. Trends in Microbiology
17:563-569. [abstract]
Heinze, A.W. and R.W. Sanders. 2009. A
novel temperature gradient incubator to study the effects of
temperature on motile aquatic organisms. Limnology and
Oceanography: Methods 7:216-221. [abstract]
Macaluso, A.L., D.L. Mitchell, and R.W.
Sanders. 2009. The direct effects of UV-B radiation on the
heterotrophic nanoflagellate Paraphysomonas.
Applied and Environmental Microbiology 75:4525-4530. [abstract]
Moorthi S.D., D.A. Caron, R. Gast, and
R.W. Sanders. 2009. Mixotrophy: a widespread and important ecological
strategy for planktonic and sea-ice nanoflagellates in the Ross Sea,
Antarctica. Aquatic Microbial Ecology 54:269-277. [abstract]
Sanders, R.W (2009). Protists.
Encyclopedia of Inland Waters, volume 3, pages 252-260. Gene E.
Likens (ed). Oxford: Elsevier
[http://www.elsevierdirect.com/brochures/inlandwaters]
Sanders, R.W., A.L. Macaluso, T.J. Sardina, and D.L. Mitchell. 2005. Photoreactivation in two freshwater ciliates: differential responses to variations in UV-B flux and temperature. Aquatic Microbial Ecology 40:283-292. [full article]
Seitzinger, S.P., R.W. Sanders, and R. Styles. 2002. Bioavailability of DON from natural and anthropogenic sources to estuarine plankton. Limnology and Oceanography 47(2):353-366. [full article]
Sanders, R.W., D.A. Caron, J.M. Davidson, M.R. Dennett, and D. Moran. 2001. Nutrient acquisition and population growth of a mixotrophic alga in axenic and bacterized cultures. Microbial Ecology 42:513-523. [full article]
Taylor, W.T. and R.W. Sanders. 2001. Chapter 3. Protozoa. In: Ecology and Classification of North American Freshwater Invertebrates, 2nd edition, pp. 43-96, J. Thorp & A. Covich (eds.) Academic Press.
Sanders, R.W., U.G. Berninger, E.L. Lim, P.F. Kemp and D.A. Caron. 2000. Heterotrophic and mixotrophic nanoplankton predation on picoplankton in the Sargasso Sea and on Georges Bank. Marine Ecology Progress Series 192:103-118. [full article]
Caron, D.A., E.L. Lim, R.W. Sanders, M.R. Dennett and U.-G. Berninger. 2000. Responses of bacterioplankton and phytoplankton to organic carbon and inorganic nutrient additions in contrasting oceanic ecosystems. Aquatic Microbial Ecology 22:175-184. [full article]
Sanders, R.W. 1999. Book Review of
"Free-Living
Freshwater Protozoa: A Colour Guide" by D.J. Patterson. Limnol.
Oceanogr.
44:399-400.
Seitzinger, S.P. and R.W. Sanders. 1999. Atmospheric inputs of dissolved organic nitrogen stimulate estuarine bacteria and phytoplankton. Limnol. Oceanogr. 44:721-730. [full article]
Seitzinger, S.P. and R.W. Sanders. 1997. Estuarine eutrophication: the contribution of dissolved organic nitrogen. Mar. Ecol. Prog. Ser. 159: 1-12. [full article]
Sanders, R.W., C.E. Williamson, P.L. Stutzman, R.E. Moeller, C.E. Goulden and R.B. Aoki. 1996. Reproductive success of "herbivorous" zooplankton fed algal and non-algal food resources. Limnol. Oceanogr. 41: 1295-1311. [full article]
Williamson, C.E., R.W. Sanders, R.E. Moeller, and P.L. Stutzman. 1996. Utilization of subsurface food resources for zooplankton reproduction: implications for vertical migration theory. Limnol. Oceanogr. 41: 224-233. [full article]
Sanders, R.W. 1995. Seasonal distributions of the photosynthesizing ciliates Laboea strobila and Mesodinium rubrum in an estuary of the Gulf of Maine. Aquat. Microbial Ecol. 9: 237-242. [full article]
Sanders, R.W. and C.C. Gilmour. 1994. Accumulation of selenium in a model freshwater microbial food web. Appl. Environ. Microbiol. 60: 2677-2683. [full article]
Sanders, R.W., D.A. Leeper, C.H. King,
and
K.G.
Porter. 1994. Food web structure and zooplankton grazing impacts on
photosynthetic and heterotrophic nanoplankton. Hydrobiologia 288:
167-181. [full
article]
Karentz, D., M.L. Bothwell, R.B. Coffin, A. Hanson, G.J. Herndl, S.S. Kilham, M.P. Lesser, M. Lindell, R.E. Moeller, D.P. Morris, P.J. Neale, R.W. Sanders, C.S. Weiler, and R.G. Wetzel. 1994. Impact of UV-B radiation on pelagic freshwater ecosystems: Report of working group on bacteria and phytoplankton. Arch. Hydrobiol. Beih. Ergebn. Limnol. 43: 31-69.
Sanders, R.W. and S.A. Wickham. 1993.
Planktonic protists and metazoa: predation, food quality and population
control. Marine Microbial Food Webs 7: 197-223. [full article]
Caron, D.A., R.W. Sanders, E.L. Lim, C.
Marrasé, L.A. Amaral, S. Whitney, R. Aoki, and K.G. Porter.
1993. Light-dependent
phagotrophy in the freshwater mixotrophic chrysophyte Dinobryon
cylindricum.
Microbial Ecology 25: 93-111. [full
article]
Sanders, R.W., D.A. Caron, and U.-G.
Berninger.
1992. Relationships between bacteria and heterotrophic nanoplankton in
marine
and fresh waters: an inter-ecosystem comparison. Marine Ecology
Progress
Series 86: 1-14. [full
article]
Berninger, U.-G., D.A. Caron, and R.W.
Sanders.
1992. Mixotrophic algae in three ice-covered lakes of the Pocono
Mountains,
USA. Freshwater Biol. 28: 263-272. [abstract]
Sanders, R.W. 1991. Mixotrophic protists
in
marine and freshwater ecosystems. J. Protozoology 38: 76-81. [full
article]
Sanders, R.W. 1991. Trophic strategies among heterotrophic flagellates. In: The Biology of Heterotrophic Flagellates, Systematics Association Special Volume No. 45, pp. 21-38, D.J. Patterson and J. Larsen (eds.). Oxford University Press.
Berninger, U.-G., D.A. Caron, R.W. Sanders, and B. Finlay. 1991. Flagellates of planktonic communities. In: The Biology of Heterotrophic Flagellates, Systematics Assoc. Spec. Vol. No. 45, pp. 39-56.
Taylor, W.T. and R.W. Sanders. Protozoa. 1991. In: Ecology and Classification of North American Freshwater Invertebrates, pp. 37-93, J. Thorp and A. Covich (eds.). Academic Press.
King, C.H., R.W. Sanders, E.B. Shotts, Jr., and K.G. Porter. 1991. Differential survival of bacteria ingested by zooplankton in an eutrophic lake. Limnol. Oceanogr. 36: 829-845. [full article]
Sanders, R.W. and K.G. Porter. 1990. Bacterivorous flagellates as food resources for the freshwater crustacean zooplankter Daphnia ambigua. Limnol. Oceanogr. 35: 188-191. [full article]
Sanders, R.W., K.G. Porter, and D.A.
Caron.
1990. Relationship between phototrophy and phagotrophy in the
mixotrophic chrysophyte Poterioochromonas malhamensis.
Microbial Ecology 19: 97-109. [full
article]
Bennett, S.J., R.W. Sanders, and K.G. Porter. 1990. Heterotrophic, autotrophic, and mixotrophic nanoflagellates: Seasonal abundances and bacterivory in a eutrophic lake. Limnol. Oceanogr. 35: 1821-1832. [full article]
Caron, D.A., K.G. Porter, and R.W. Sanders. 1990. Carbon, nitrogen, and phosphorus budgets for the mixotrophic phytoflagellate Poterioochromonas malhamensis (Chrysophyceae) during bacterial ingestion. Limnol. Oceanography 35: 433-443. [full article]
DeBiase, A.E., R.W. Sanders, and K.G.
Porter.
1990. Relative nutritional value of ciliated protozoa and algae as food
for Daphnia. Microbial Ecology 19: 199-210. [full
article]
Sanders, R.W., K.G. Porter, S.J. Bennett, and A.E. DeBiase. 1989. Seasonal patterns of bacterivory by flagellates, ciliates, rotifers, and cladocerans in a freshwater planktonic community. Limnol. Oceanogr. 34: 673-687. INCLUDES MIXOTROPHS [full article]
Sanders, R.W. 1988. Feeding by Cyclidium
sp. (Ciliophora, Scuticociliatida) on particles of different sizes and
surface properties. Bulletin of Marine Science 43: 446-457. [link
to full article]
Sanders, R.W. and K.G. Porter. 1988. Phagotrophic phytoflagellates. In: K.C. Marshall, (Ed.) Advances in Microbial Ecology 10: 167-192.
Bennett, S.J., R.W. Sanders, and K.G. Porter. 1988. Chemosensory responses of heterotrophic and mixotrophic flagellates to potential food sources. Bulletin of Marine Science 43: 764-771. [link to full article]
Sanders, R.W. 1987. Tintinnids and other
microzooplankton - seasonal distributions and relationships to
resources and hydrography
in a Maine estuary. Journal of Plankton Research 9: 65-77. [full
article]
Gerritsen, J., R.W. Sanders, S.W. Bradley, & K.G. Porter. 1987. Individual feeding variability of protozoan and crustacean zooplankton analyzed with flow cytometry. Limnol. Oceanogr. 32: 691-699. [full article]
Sanders, R.W. and K.G. Porter. 1986. Use
of
metabolic inhibitors to estimate protozooplankton grazing and bacterial
production
in a monomictic eutrophic lake with an anaerobic hypolimnion. Appl.
Environ. Microbiol. 52: 101-107. [full
article]
McDonough, R.J., R.W. Sanders, K.G. Porter, and D.L. Kirchman. 1986. Depth distribution of bacterial production in a stratified lake with an anoxic hypolimnion. Appl. Environ. Microbiol. 52: 992-1000. [full article]
Porter, K.G., E.B. Sherr, B.F. Sherr,
M.L.
Pace, and R.W. Sanders. 1985. Protozoa in planktonic food webs. Journal
of Protozoology 32: 409-415. [full
article]